Lachlan Penfold

Head of Physical Performance and Sports Medicine

Lachlan Penfold is in his first season with the Golden State Warriors as the club’s head of physical performance and sports medicine. In this newly-created role he will oversee both the Warriors medical & therapy staff and the physical preparation staff, ensuring an integrated and united approach to player preparation, performance and injury management. He will also work closely with the team’s coaching staff to promote optimal player and team performance, and the management of player workloads. Penfold will also look to continue the development of player monitoring to optimize performance and health, with the further development and integration of technology to be a part of his role.

Penfold, 47, joins the Warriors organization from his native Australia, where he most recently served as head of physical preparation for the Australian Men’s Sevens Rugby Union squad. He has previously served as the head of performance for three years with the Premiership-winning Sydney Roosters Rugby League team, and for six years as the head of physical preparation with the Brisbane Lions Australian Rules football team.

With over 20 years of experience in the field of athletic performance, he has held positions in a wide variety of sports, including working with over 80 Olympic athletes across five different Olympic Games.

Lachlan and his wife, Brooke, have recently moved to the Bay Area with their two daughters, Elejandra and Sophie.


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