Our Guides

Born in Mendoza, He is a Professional Mountain Guide, Certified by the Argentinean Guides Association.

Everyone knows Rolo in the Mountain, from Rangers to Guides, Cowboys and staff everyone greets Rolo with a big smile on Aconcagua, he is the man!

He is also a Ski instructor. He works on Aconcagua since 1997, summiting Aconcagua over 30 times times by different routes.

He has been involved in many successful rescues for the Aconcagua Park as member of the rescue team as well. Has guided and climbed extensively in Northern Chile,Bolivia & Alaska. He is passionate about the Central Andes, where he has climbed for years 100s of 5,000 and 6,000 meter peaks.

Rolo is a hard working guide, patient with his clients, professional, and a great asset. Rolo has been with Aventuras Patagonicas for 12 years.

Fermin is a young Mountain Guide, certified by the Argentinean Association  E.P.G.A.M.T. He was born in the Patagonia, and has been climbing and playng in the mountains since age 12.  He has been working on Aconcagua for over 5 years, he is also a member of the professional Guide Association in Mendoza (A.A.G.P.M.) and is an active member of the Aconcagua Rescue Team.

UIAGM/ IFMGA Certified Mountain Guide. Pablo was born in Caracas, Venezuela. Since childhood Pablo has been passionate about mountains. He also holds a Bachelor’s degree in Biology and a Diploma in Adventure Guiding from the Thompson Rivers University in Canada. Founding member of the Venezuelan Association of Instructors and Mountain Guides. Member of the first expedition of “Project Summit” from Venezuela, which climb Ama Dablam (6.856 m) in the Himalayas Nepll, in 1993. Over a decade of experience climbing in Ecuador, Bolivia, Colombia, Chile, Canada, USA and New Zealand. On every trip, he tries to invest the virtues of patience and the simplicity of living in the mountains - and the value of the tranquility found there. He speaks Spanish and English. At the present time he has settled his home with his wife and daughter in beautiful New Zealand with the magic of a new beginning.

Markus' passion for the mountains stems from his swiss roots. A Swiss native, Internationally Certified Guide, he grew up roaming the mountains from an early age on forming an intuitive understanding of the mountains. A highlight in his career, Markus accomplished the first snowboard descent of Tharpu Chuli in the Nepal Himalaya. Eventually, he turned his passion into his profession by becoming a certified, full-time ski and mountain guide and founded Alpine World Ascents in 2000.

One of an elite few guides in the U.S. with both AMGA and IFMGA certification, Markus has passed rigorous trainings and certifications in Alpine Mountaineering, Rock Climbing, and Ski Mountaineering. He is a Swiss-certified Level 3 Ski and Snowboard Instructor and Instructor Trainer, an AIARE Level 2 avalanche instructor and member of the instructor pool, and a backcountry observer for the CAIC. Markus has a Masters Degree from the University of Bern in Switzerland in Education and Sports. He speaks six languages.

At home in the mountains anywhere around the world, Markus accompanies his guests to many different places- popular, exotic, new or even unknown ones. With his infectious love and passion for the mountains, he carries the adventurous spirit through in his guiding on the world's great climbs and ski tours.

He is a Professional Mountain Guide, Certified by the Argentinean Guides Association. Has climbed Aconcagua successfully 52 times by different routes! Has climbed Everest and K2. He grew up in the foothills of the Andes, living just 80 miles from Aconcagua, soon he started climbing and guiding on the mountain by different routes. He has climbed all over South America, Patagonia Argentina, Bolivia, Peru, and Ecuador, The Alps, Himalayas, etc. His passion for sports pushed him to race many long distances races, Aconcagua speed ascents, etc. Very early-on he was into outdoor sports as a trail-runner, kayaker, swimmer, and mountain biker. He is also a professional Physical Educator. He has a great passion teaching outdoor education to children as well. Hard working guide, a Veteran with decades of experience on Aconcagua.

Mike resides in Vail, Colorado where he is the lead instructor for Level I & II Avalanche classes and a senior rescue member of the Vail Mountain Rescue Group. Mike has guided extensively on Aconcagua for Aventuras Patagonicas, and has spend over 15 years on Aconcagua guiding regularly season after season. He knows the Mountain better than most guides and have been to the summit of Aconcagua18 times. Mike has had an interest in climbing and the outdoors since a young age and now likes to share the knowledge he has gained and his passion for the mountains with his clients. When he is not working you will most likely find him in the backcountry skiing, rock or ice climbing, backpacking, Mt. biking or if it is in the months after the Aconcagua season, you just might find him in a sea kayak paddling the Florida Everglades or Keys. He has climbed extensively in the Brenta Dolomites, the mountains of Colorado, and other areas of the U.S. and a summit of Kilimanjaro.

Guide for 20 years. Rock climbs throughout the US, Canada, Mexico and Greece, including big walls in Yosemite and Zion.

Over 400 ascents of The Grand Teton, Teton Range, WY. Major ski traverses of many ranges within the US. Numerous ski traverses of remote areas in the Yellowstone Ecosystem.

Steep ski descents in the US, Canada, France and Chile.

Early ski descent Führer Finger Mt. Rainier. Guided ski expedition of Cho Oyu, Tibetan Himalaya, with ski descent from 7400 meters. Guided ski descents of Chilean Volcanos.

Expedition to Broad Peak, Karakoram Range Pakistan. First ascent Bunch-Stewart Variation Mt. Hunter, Alaska Range. Guided expedition to Mt. Foraker, Alaska Range. First Ascent NE Face Mt. Ratz Stikine Icecap. Expedition to Mt. Jambeyang, Rissumggomba Range, China. Expedition Cerro Juncal, Central Andes Chile. Exploratory expedition to Rio Murta Towers, Northern Icecap Chilean Patagonia. 15 ascents of Denali, Alaska Range. 24 ascents Aconcagua, Central Andes, Argentina.

One of our most solid high altitude Mountain Guides, amazing energy that it is contagious to his clients, a dedication hard to find in this profession makes Wes and outstanding Guide and mountaineer.

Internationally Certified Guide, Guide for 21 Years, Kathys' carrer as a guide and climber is exceptionally impressive! she is the first American woman internationally certified, and certified as an Alpine, Rock and Ski Guide through the American Mountain Guides Association (AMGA). She is an AMGA member of the Board of Directors. Her most significant climbs, South Face of Aconcagua, Cassin Ridge on Denali, North Face of Eiger, West Pillar on Makalu, Ama Dablam, Cerro Torre in Patagonia, North Face of Mount Robson, extensive climbing in the Alps, Patagonia, Ecuador, Bolivia, Argentina, and Chile. Speaks English,  French and Spanish.

Professional Mountain Guide, Bill lives in Breckenridge, Colorado following his passions for climbing, skiing and cycling in the Rockies. He has been guiding for the past 18 years throughout the USA, Nepal, Tibet, So. America, Antarctica and Africa. He has guided all over the wold for almost 2 decades. His most relevant accomplishments among many more are: Everest, Nuptse, Lhotse, Pumori, Ama Dablam, Annapurna, Vinson, Aconcagua, Denali. He can be found guiding on Everest most of the spring since 1999, now with 5 summits from Nepal and Tibet.

Emilio has just recently began guiding for Aventuras Patagonicas. He has been climbing for the past 10 years, and is the youngest Argentinean climber ever to achieve Aconcagua's summit. At present he has reached Aconcagua's summit half a dozen times. He has climbed many other peaks in the Andes. A superb athlete, talented high altitude speed climber and avid skier. Speaks Spanish and English. A graduated from Architecture School, he has recently been designing bioclimatic buildings to function over mountain conditions.

Grew up scampering around the Blue Ridge Mountains of Virginia and North Carolina but soon found that the higher mountains of Colorado would be the ideal setting to challenge himself as a mountain guide. At the age of 19, Jeff packed up his truck and relocated to the Front Range of Colorado where he started his love affair with the Rocky Mountains.

Jeff spent years playing and working in the mountains cultivating the skills necessary to guide successfully at a high level. He spent 5 summers in Alaska working as a guide on Mt McKinley as well as a Search and Rescue Ranger for the National Park Service. This was a critical period in Jeff's development as a guide in challenging situations at extreme altitudes.

Early on, Jeff accepted the role as the primary guide for blind athlete/climber Erik Weihenmayer. Together, they problem solved methods of travel and communication to tackle the hardest climbing and mountaineering projects any disabled athlete had ever attempted. Some of their more notable ascents include Mt McKinley, El Capitan, Leaning Tower, Aconcagua, Mt Athabasca, culminating with a successful summit of Mt Everest in 2001 that gained much international attention as the first successful blind summit of the highest mountain in the world.

Somewhere squeezed between his years of mountain guiding, Jeff found time to finish his training as an Emergency Medicine Physician Assistant. He has focused his medical training even more with an emphasis on travel and altitude medicine, stressing safety and health on every one of his trips.

Internationally Certified Guide, Guide for 15 years, major climbs in Patagonia, including Cerro Torre, Cerro Fitz Roy, Cerro Stanhardt, Cerro Murallon, as well as solo ascents of Saint Exupery, Guillaumet, Mermoz and Mariano Moreno. First complete ascent of the North Face of Fitz Roy, done alpine style, and first alpine style ascent of the Southwest Face of Fitz Roy. Spectacular speed ascents in Yosemite, including the Salathe Wall on El Capitan, Nose, Shield, Lurking Fear, Triple Direct, Aquarian Wall and Sunkist. Speed record holder on The Grand Traverse, Tetons. Twenty-four hour ascent of the Infinite Spur on Mount Foraker, Alaska. Fifteen hour link up of the three most famous multi-pitch ice climbs in Canada: Polar Circus, Weeping Wall/Weeping Pillar and Slipstream. Various climbs in Jordan as well as the Alps, including rare winter ascents of 'Tempi Moderni' and 'The Fish' on the South Face of the Marmolada. Fluent in English, French, Italian and Spanish

Guide for 11 years, climbs in Yosemite, western US, Alps, Norway, Alaska and South and Central America. Ski traverse of Wrangell Saint Elias Range, Alaska. Guide on Aconcagua. Guide on Denali. Year round wilderness and mountaineering guide. Environmental educator.Works for Exum Mountain Guides in the Summers. Speaks English and German.

Pablo Goldengruss,  “Golden” Is a  Professional Mountain Guide certified by the Argentinean Guides Association.

He has been working on Aconcagua for 20+ seasons. He has reached the summit 26 times via different routes.

Passionate about what he does and continue to have lots of fun doing it. Pablo is a super motivated Guide who encourage and support his clients all the way to the Top!

He has climbed worldwide in places like Denali, Kilimanjaro, Elbrus, Sajama and Little Alpamayo in Bolivia, among many others

Mike is a year round Professional Mountain Guide and has traveled and climbed on five continents. When not guiding on Mt. Rainier, where he has over 40 summits, he can be found leading expeditions in Alaska, Argentina, Chile, Ecuador, the Himalaya, and throughout the United States. Many clients have remarked that Mike's love for the mountains is contagious. He is a former Division 1 collegiate ski racer and Junior Olympian, has a B.S. from St. Lawrence University. He has guided extensively on Aconcagua, Denali and just recently in the Himalayas where he successfully guided Cho-Oyu this fall.

Climbs throughout US Expeditions to New Zealand, Nepal, Ecuador, Argentina, and Chile, seven trips to the Alaska Range, including three Denali expeditions and the west face of Mt Huntington. Successful ascents of Denali, Ama Dablam, Island Peak, Lobuche East, Chimborazo, Cotopaxi, Antisana, and Aconcagua. First ascents in northern Patagonia. Eleven-hour solo of the Grand Traverse in the Tetons. Board certified Physician Assistant.

AMGA Certified Alpine and Rock Guide, guide for 29 years, extensive climbs in Canada and US, including five routes on El Capitan and many ascents in the southwest. Expeditions and guiding in Peru, Ecuador, Argentina, and Mount Rainier. Expeditions to Uzbekistan, Aksu and Asan-Usan valleys in Kyrgyzstan. First ascent of northwest ridge of Gasherbrum IV in Pakistan. Only American to summit Gasherbrum IV. Expeditions to Everest and Gasherbrum II. Guided Pik Communism, Pik Lenin, Pik Korzhenevskaya, and Khan Tengri (Kyrgystan). One-day ascents Aconcagua and Pik Korzhenevskaya. Five seasons guiding and teaching up to Grade VI ice and mixed climbing in New Hampshire. Examiner and instructor in AMGA Rock and Alpine disciplines. Recipient of AMGA Lifetime Guide Achievement Award 2004. Exum Technical Supervisor.

Juan became one of the youngest Chilean Mountain Guides, at 17 years old. He was born in Villarrica, Lake District of Chile he has guided for more 7 year, Expeditions all over South America includes, Peru, Bolivia, Patagonia, Brazil and Argentina. First solo traverse of Cerro Rincon and Vallecitos (Argentina). An avid Rock climber and Ice climber with lots of experience eastern Canada and rock climbing in Spain. Ascents of Mermoz Tower in Patagonia, and new route in the south face of Chacrarraju west in Peru. He speaks English, Spanish & Portuguese

A veteran of multiple expeditions to high-altitude summits in Alaska, Antarctica, and South America, Tim feels at home on our Aconcagua expeditions. He has led expeditions to big mountains on three continents, to the South Pole, and successfully guided the oldest man to reach the summit of Denali (Mt. McKinley) in 2004. Tim is a year-round outdoor professional acting as a guide for climbers, scientists, hunters, field personnel, as well as anyone else looking for a safe and enjoyable adventure. He is based out of Anchorage, AK, where he also works as an outdoor skills instructor, placing an emphasis on mountaineering and improvised rescue techniques in glaciated environments. His favorite part of being an expedition team member is getting to know people from all walks of life. Tim has a Bachelor's Degree in Outdoor Studies, is a certified Wilderness First Responder (medical), and speaks Spanish.

Based out of Talkeetna, Alaska, Larry is a full time Guide. Spending his summers guiding on Denali, and teaching mountaineering courses in Alaska, and his winters guiding on Aconcagua. Larry is passionate about the mountains in which he works,and loves to share that with his clients. When not guiding he can be found skiing, and climbing in the mountains around his Alaska home.

Internationally Certified Guide, Guide for 24 years. Mark is one of the most competent Mountain Guides in North America and he has been highly involved in the certification process for new guides through the American Mountain Guides Association. He has climbed and guided virtually in every Mountain Range in the world, with ascents of the South Face of Aconcagua, Cassin Ridge on Denali, Cerro Torre in Patagonia, North Face of Eiger, Bonatti Pillar of Petit Dru, extensive climbs in the Alps, Ama Dablam, North face of Mount Robson, Alpamayo, Khan Tengri, West Pillar of Makalu, Southern Patagonia Icefield traverse, extensive climbing in Peru, Bolivia, Ecuador, Chile and Argentina. Speaks English, French and Spanish.

Luchi is a Professional Mountain Guide , Certified by the Argentinean Mountain Guides Association. She has  been a Mountain Guide for over ten years. Everyone knows her as Luchi and her huge smile!<

She currently lives in Patagonia, where she works and plays. Luchi is an avid rock climber and mountaineer. She is also well trained medically, recently finished her career as a paramedic as well, making her a very versatile Mountain Guide. Several climbs and expeditions in northern Argentina, Bolivia and Peru. Super patient, fun and a very strong at high altitude.

Francisco is Chilean and has been climbing for more than 25 years, he is the president of the Chilean Mountain Guides Association and has been an active guide for almost two decades. He is one of the most competent guides in South America. Has climbed extensively in the Central Andes, Patagonia, Alps, Himalayas and the US. He is a former Nols Instructor and he has been guiding on Aconcagua since 1986. He has guided on Mount Everest. Speaks English, French, Italian and Spanish.

Professional Mountain Guide, More than 15 year working as a guide on Aconcagua, with 27 summits. He has also climb and Guided extensively throughout South America in places like Peru, Bolivia, Ecuador and Chile. Martin is an excellent and passionate climber that has traveled around the world climbing an opening new routes, such as hard sport climbing routes as well many long technical alpine routes. He is a certified Argentinean Guide and at present he is pursuing his International Mountain Guide certification (UIAGM). Speak Spanish and English

Internationally Certified Guide, 21 Years of climbing experience throughout the US and Canada. Rock climbing trips to Moab, Tetons, Yosemite, Red Rocks, Wind River Range, etc Valdez Heli Ski Guide in Alaska. Has guided several Aconcagua Expeditions for Aventuras Patagonicas. Extensive rock and Ice guiding in New Hampshire. Completed Haute Route (Chamonix- Zermatt).

Guide for over 15 years, Chris has climbed extensively all over the US and the world. He lived in Alaska for more than a decade, until he recently moved to Boulder Colorado. Has guided close to 20 Denali Expeditions, and is a full time Mountain Guide and River Guide. Owner of Mountains and Rivers in Alaska. he has Guided extensively in Alaska, South America, the himalayas, Antarctica, Europe and Africa as well. he has the distinction of being the person that guided blind climber Erik Weihenmeyer to the summit of Everest and to the seven summits as well.

Internationally Certified Guide, Director and Founder of Aventuras Patagonicas and Powder South Heli Ski Guides, the premier heli-skiing operation in South America. Guide for 36 years. AMGA alpine, rock and ski guide. Guided 24 expeditions to Denali and 32 expeditions to Aconcagua. Expeditions to Xixabangma and Cho Oyu in the Himalayas. Climbs in Patagonia include North and Central Towers of Paine, Agujas Guillaumet and Poincenot, Cerro Torre attempts. Patagonian Ice Cap explorations including first east-west traverse of northern Ice Cap. First ascents in Antarctica, Andes and Alaska. Speed ascents of Denali, Aconcagua, Juncal, Guide in Ellsworth Mountains, Antarctic Peninsula and Mt. Vinson in Antarctica (6 trips). Extensive climbs and guiding in Alps, including Frendo Spur and Grand Jorasses . Climbs in Yosemite. Former Technical Committee member for the American Mountain Guides Association. Former Senior Guide at Exum Mountain Guides. Speaks English, French and Spanish.

Ascents of big walls in Zion and Yosemite. Climbs in the Alps and US. including new routes in the Teton Range. Ski descents of 6,000 meters peak in Peru and Bolivia, including Huascaran Sur and First descent of Palomani Grande (18,927') and Illampu (20,892'). Many first ski descents in the Tetons and extreme descents in Sierra Nevada. Winner of first annual Lifelink/Dynafit randonne rally held in jackson Hole. Known as the 'poacher' in Outside Magazine. Guides for Exum Mountain Guides in the summers and on Aconcagua in the winters between

A Professional Mountain Guide from Peru, Augusto has made several first ascents in Peru, led many mountaineering expeditions in the last 29 years, has made multiple ascents of many challenging peaks in the Andes, not the least of which, Augusto holds the world's record for summiting Aconcagua on 58 successful expeditions! In Ecuador; Chimborazo (18 times), Cotopaxi (25), Cayambe, Tungurahua, Pichincha and Rumiñahui. In Perú; Huascaran (38), Alpamayo (31), Yerupaja, Huandoy, Artesonraju and many others. In Bolivia; Illimani (16), Huayna Potosí (18), Sajama, and more. In Chile; Torres del Paine. Augusto has also challenged the Himalayas. He is the first Peruvian to successfully climb Mt. Everest two times, once in 1992 with oxygen and the second time in 1999 without oxygen! He also climbed Cho Oyu in 1998. On the North American continent, he has climbed several peaks in the Canadian Rocky Mountains and climbed Mt. McKinley in 1997. Augusto is trained as a Civil Engineer and as a Computer technician, but his passion for the mountains has led him to his career as a professional mountain guide.

Certified by the Argentinean Guides Association, he is another Aconcagua veteran with over 20 years of experience and 28 Aconcagua summits. Aconcagua is like his second home. An avid rock climber at competitive level as well holding the Argentinean 1 st place back in 1997. He has also worked extensively in the skiing industry in winter. A very motivated guide, willing to give it all for his clients, patient and excellent at reading his clients abilities and strength to guide them safely to the top.

Mili, originally from Mendoza, is a Professional Mountain Guide. He has worked as a mountain guide on Aconcagua and in different parts of the world for 20 years.

He has not only reached the Aconcagua summit 25 times, but also 4000, 5000 and 6000 meter peaks all over the Andes

He has also climbed and worked in Bolivia, Chile, Peru, Brazil, New Zealand and different parts of Europe. Climbed Denali in Alsaka and several climbs in the European Alps among others.

He is an eager guide, very keen on doing what he does. Everyone Aconcagua knows him on Aconcagua for his great attitude towards work and willingness to guide his clients.

Mark has been a climber for 17 years, teaching and leading trips since 1994. Based out of Bend, Oregon he travels to Alaska in the spring to guide on Denali before heading to the Tetons of Wyoming for the summer. Winters are split between the thin air of Aconcagua and ski patrolling at home, Mark holds a B.S. degree, graduating with honors in Chemistry. He enjoys pursuing all aspects of the sport from bouldering to scaling glaciated peaks around the world. An avid technical rock climber in his free time, Mark has climbed over 50 5.13s, including the Smith Rock testpiece White Wedding (5.14a). Showing people from all walks of life the skills they need to succeed in the mountains is what he loves the most about guiding.

Felipe Randis Born in Mendoza, Argentina, he is a Professional Mountain Guide, Certified by the Argentinean Mountain Guides Association

Felipe is one of the most experienced Guides on Aconcagua today, with over 24 summits by different routes, he also holds two speed records on the Mountain;  Base Camp to the Summit in 4hrs 28' and the impressive South Face, in 31 Hrs alone. (hardest route on Aconcagua). He works on Aconcagua since 2007

He is also a good climber and skier.

He has been involved in many successful rescues for the Aconcagua Park. Has guided and climbed extensively in Patagonia, Bolivia, Perú, Ecuador Yosemite and The Alps. He is passionate about the Andes, where he has climbed many mountains

Kitt is a certified ACMG guide living in British Columbia, Canada. She spends most of her winters guiding helicopter skiing and ski mountaineering trips throughout the big beautiful mountains of Canada's Western ranges. Climbing propels her to all corners; from Pakistan to the grand peaks of the Alaska. She has successfully guided on Aconcagua for Aventuras Patagonicas as well. In between the cold and arctic-like trips, Kitt can be happily found climbing at steep beach crags near the Mediterranean or kite surfing, enjoying life with bare feet! Kitt newest adventure has been the birth of her son Thoren who was born in a small town in the heart of the Selkirk mountains. A new mountain man to be...!

Professional Mountain Guide, Certified by the Argentinean Guides Association, Mountain Climber and skier, Has 15 Aconcagua summits. Alpine Guide in Patagonia as well as ski Instructor in winter

Hard technical routes in Peru in  Nevado, Alpamayo & Ranrapalca, Patagonia's Challenging Fitz Roy. New Route on West Face of Aconcagua. Many Ski Descents in the Andes. Many hard routes in the Andes

Jeff started climbing in Australia, then move onto the mountains in New Zealand. He has done numerous first ascents in New Zealand, Pakistan, Australia, and Bolivia. Jeff spends most of his time now days in the Bolivian Andes where he has been guiding for almost a decade now. He is one of our Bolivia expert leading trips for Aventuras Patagonicas in regular basis there .He also guides in Chile and Argentina in the summer, with 15 ascents of Aconcagua and many more through the Andes. He is also a down hill mountain bike guide in Bolivia. Speaks English, Dutch and Spanish.

He is a professional Mountain Guide, Certified by the Argentinean Guides Association. Lives in Mendoza. Well trained medically as well, certified in  Pre hospital Trauma Life Support (P.H.T.L.S.), Wilderness First Responder (W.F.R. ) and as a Personal Trainer as well.

More than 25 Aconcagua summits in over a decade of career guiding on the Mountain. Very experienced in the Andes with climbs all over the range , including as well the Bolivian Andes, climbs in the Himalayas such as Makalu, Aconcagua speed ascents among many other achievements.

Jacob Schmitz started climbing 20 years ago, living in Yosemite for 7 years where he mastered the big walls. With the more than ten years Jacob has worked as a guide he has lead over 70 expeditions, with 45 on peaks over 6,000 meters. Some of his more notable guided trips include Cho Oyu, Spantik in Pakistan, Bogda feng in China, more than 25 expeditions to Aconcagua, 14 to Denali, 8 to Kilimanjaro, 2 Vinson Massif in Antarctica, and multiple trips to Bolivia and Ecuador. His passion and dedication to his group to have an enjoyable expedition shows on every trip he's leads. When not out on an expedition he lives in Bend, Oregon. We are very happy to have Jacob as one of Aventuras Patagonicas main Guides on Aconcagua.

Internationally Certified Guide, guiding 13 years, AMGA instructor and examiner, First ski descents and extreme skiing in the Sierra Nevada and Alaska, first ascents in Alaska. Extensive experience climbing, skiing, and guiding in the Alps, Peru, Bolivia, and throughout North America. Howie is on the AMGA Technical Committee and is a founding member of the American Institute for Avalanche Research and Education. Co-director of Sierra Mountain Guides, based in the Eastern Sierra of California. Speaks English,  Spanish, and a bit of French

Internationally Certified Guide, Climbs throughout the US, Canadian Rockies, Patagonia, and Trango Towers of Pakistan. Eighteen ascents of El Capitan in Yosemite via 14 routes. Established new route on El Capitan, 'Disorderly Conduct' (VI A5). Speed record on 6 classic grade VI walls in Yosemite, including North America Wall in just over 9.5 hours. Fastest on-sight ascent El Capitan. Pioneer of alpine-big-wall speed climbing. Steep ski descents of Gervasutti Couloir and north face of Aiguille du Midi from Col du Plan in Chamonix, France. One-day ascent of Beyond Good and Evil (V M6) in Chamonix. Ski descent of Grand Teton via Otterbody Snowfield. Heli-ski guide for Valdez Heli Ski Guides. Member of the W. L. Gore and Associates Mountaineering Council. Two seasons with Yosemite Search and Rescue. Recipient of AMGA Guide of the Year Award.

Mike is a year round mountain guide from Canada and makes his home in the Canadian Rockies. He has studied 2 years at the University College of the Cariboo in the top Guide Program in Canada where he graduated on the Deans list in 2003. He is active in rock climbing, mountaineering and ski mountaineering and has had the opportunity to visit such countries as Argentina, Australia, Chile, Ecuador, Japan, Malaysia, Nepal, Peru, Mexico, Thailand and the U.S. Mike has guided several expeditions to Aconcagua for us. He is now actively pursuing his UIAGM/IFMGA Certification

Jason is a guide from alaska, born in barrow, alaska, the most northern town in the US.  he has climbed and guided all over alaska, including the alaska range, st elias mountains, wrangells mountains and the chugach range. with expeditions to denali, mt st elias, mt bona, mt hunter, mt marcus baker, mooses tooth and mt huntington when not in alaska jason can be found traveling climbing and guiding worldwide, including expeditions to ecuador, bolivia, argentina and nepal, he has guided on aconcagua for several years.   jason is a graduate of alaska pacific university. Speaks English and Spanish.

Tom is Jackson Hole resident, that loves the Tetons and works in the summers for Jackson Hole Mountain Guides and in the winters in South America where he has been guiding for years. He has done extensive climbing all over the US, in Bolivia, Peru, Chile, Argentina, Alaska. He has been guiding on Aconcagua for years and knows the mountain better than most guides. Speaks English and Spanish.

Florencia Torres, Born in Mendoza, She is  a Professional Mountain Guide Certified by the Argentinean Guides Association.

Since very young she developed a passion for the Mountains that took her to the highest peaks in the Andes. Started working on Aconcagua in 2010 first as porter, then as a Professional Mountain Guide.

Her strength and where she is most comfortable is at High Altitude! She has climbed extensively in the Andes, Northern Chile and Argentina.

Patagonia is her second home, when not guiding in the Central Andes and Aconcagua, she guides in Patagonia and Ushuaia.

She speaks Spanish, English and is currently learning sign language.

Certified Alpine and Rock guide, guide for 34 years, first ascent Rudshe Konka,1982, China. Expeditions to Bhutan, Chile, China, India, Nepal,Peru, and Tibet. Explorations in Shagskam region, Xinjiang, China, Northern Karakorum. Leader 1989 Ski Expedition to South Pole. Co-leader Patagonian Ice Cap Traverse, 1991. Guide on Nupste, Lhotse, McKinley, Ama Dablam, Carstenz Pyramid, Elbrus and Aconcagua. Reached summit of Mt. Everest in 2000 with clients. First person to have guided all Seven Summits in a one year period. Member - Marmot Mountain Ltd. Design Board. Owner of Professional Mountain Guides, Jackson Hole. Senior Guide at Exum Mountain Guides.