Brian Theiss
Lake Brantley HS • Providence School • Florida Possums
A formative coach in Florida lacrosse who developed elite athletic talent across multiple programs.
Biography
As a coach leading programs in the early formative stages of Florida lacrosse, Brian Theiss started as an assistant coach at Lake Brantley then took the reins at Winter Springs. Returning to Lake Brantley as head coach, Brian developed some of the most skilled athletic talent to ever play the sport in Florida. He served as head coach and senior administrator for the Florida Possums elite program and recently launched the lacrosse program at Providence School, which has reached the Top-10 in Florida.
Career Highlights
- Head coach, Lake Brantley HS
- Founder of Providence School lacrosse program
- Florida Possums elite program leadership
Contribution to Florida Lacrosse
Continues to make foundational contributions to Florida lacrosse through program building and athlete development.