Brien began personal fitness training back in 1991 at the age of 18. He now develops weekly programs for over 1000 clients and students of all ages (up to 105 years old) and abilities. He has been the Strength & Conditioning Specialist for several colleges in the Bay area: College of San Mateo (CSM), University of Notre Dame, Santa Clara University and Menlo College.
For six years Brien was an Adapted Physical Education Instructor at Foothill College, where he taught elderly and mentally disabled students to enhance their overall functional capacity through exercise in various settings.
Brien is recognized as a Master Trainer by IDEA. He has written hundreds of articles on various health & fitness related topics. Brien is an active