Kevin "Dauber" Lacz is a former Navy SEAL sniper, breacher, and combat medic. He served with SEAL Team THREE's Charlie Platoon during his 2006 deployment to a combat zone. Lacz also worked as the SEAL Technical Advisor and played himself in the Oscar-nominated 2014 film 'American Sniper,' where he worked alongside the film's subject, Chris Kyle.

Professionally, Lacz is a certified Physician Assistant with Regenesis.