David Garrison

David Garrison is an experienced Facility Services Division Manager at Sierra Group, managing a team that provides support to numerous high-profile clients across California. Prior to this role, David served as Treasurer on the Board of Directors for Central City Police Boosters and held the position of Director of IT and Facilities at Pacific Resource Credit Union, overseeing branch operations and facility construction. David's earlier experience includes roles as the LA Basin Facilities Manager for Cushman & Wakefield, providing management support for major corporate clients, and as Facility Manager at ARCO, where responsibilities included tenant relations and health and safety oversight. David holds a high school diploma from John Muir High School.