Medical School . Universidad de Chile April 1985- Dec 1991 Orthopedic resident, 1992-1995 Universidad Catolica de Chile Chief of residents 1994-1995 Foot and Ankle Fellowship: January-July 1998 American Sports Medicine Institute Birmingham . Alabama, USA Professor. John Gould Visiting Fellow Harold Kitaoka: Mayo Clinic. Rochester USA, May 1997 Mark Myerson , Batimore USA. January- Februar 2010 Beat Hinterman Liestal , Switzerland, January 2008AOFAS (American Orthopedic Foot and Ankle Society ) new members comittee, Member 2010-present AOFAS Education comittee. Member 2014 - present IFFAS (International Federation of Foot and Ankle Societies ) ; Board member : 2013- present IFFAS PRESIDENT 2020-2023 Reviewer Journal of Southamerican Foot and Ankle Surgery : 20008 – present APFAS (Asia Pacific Foot and Ankle Societies ), Founder member 2011- present ; CHONGCHING , CHINA Sochmedep (Chilean Society of Sports Medicine Memeber 1995-present FLAMECIPP( Southamerican foot and Ankle Society) : member 1998- present SCHOT (Chilean Orthopedic Society ) - Active Member 1998-present - Board member 2005-2015 - Chilean Orthopedic Society President 2014 President of Chilean Foot and Ankle Society 2000 Brazilian Society of foot surgery: Honorary member Venezuelan Society of foot an ankle surgery: Honorary member, STEPS2WALK FOUNDATION COUNCIL MEMBER, AO EDUCATIONAL TASK FORCE MEMBER, Southamerican representative for SICOT