He studied “Visual Communication Design” to understand the world in other ways than just the purely vertical of climbing. Growing as a mountaineer at the “Federacion de Andinismo de Chile (FEACH)” and his mountain club in Osorno: “Amun Newen”, while climbing in the Chilean Lakes District and the Maipo valley. In 2004-2005 he participated in the “Mountaineering & Climbing Technification Program” of the “FEACH”, and also accomplished other training courses, as: “Multi-pitch climbing” at the Spanish High Mountain School (EEAM – 2008); “Wilderness First Responder” (WFR – Ecomed 2010 / RE-WFR ECSI 2012 / WFR ASHI 2015 / RE-WFR ASHI 2018); “Leave no Trace” (LNT – 2011) with Nols. As well, he is a member of the Austrian Alpine Club; a specialized mountaineering tourist guide registered in the national tourist service (Sernatur); and a member of the National Association of Mountain Guides (www.angm.cl).

JM has made several expeditions and climbing focused travels in northern, central, and southern Chile and Argentina, the Alps, the Pyrenees, the Dolomites, and the Caucasus Mountains. Additionally, he has led many multi-pitch ice and rock routes throughout the world. Among his high mountain ascents & alpine climbing are Aiguille du Midi, Dr. Hernan Cruz, the gutter Buracchio-Delgado in the Cerro Punta Negra, several volcanoes in Chile: Puntiagudo, Osorno, Calbuco, Puyehue, Casa Blanca. San Pablo and San Jose in Northern Chile, Cerro Arenas, Zmutt Ridge on the Matterhorn, Mont Blanc, and an attempt in June 2009 – with Sandra – of Mt. Elbrus in Russia.

He is well known for his experience guiding in southern Chile, with more than a hundred summits guiding clients on the Osorno Volcano.