Shaun Castillo
Shaun Castillo is the President of Pref-Tech. Shaun is responsible for everything Pref-Tech does and fails to do. He takes great pride in leading the exceptional men and women of Pref-Tech who, daily, work exceptionally hard to strengthen our family culture and creatively resolve customer pain with the highest level of craftsmanship and service.
Shaun served as Pref-Tech’s Vice President of Operations for four years before becoming the company’s President in 2009. Before Pref-Tech, Shaun served as an officer in the United States Army until he was Honorably Discharged in July of 2005. During his tenure, he held various positions as a Field Artillery Officer stationed in Fort Sill, OK; Fort Carson, CO; and Fort Chaffee, AR. His service also includes a year of combat operations in Iraq. Shaun is a 2000 graduate of the United States Military Academy at West Point, a Security Systems News “20 Under 40” Class of 2016 integrator winner, a member of the PSA Leadership Committee, and a 2022 Vistage Leadership Award finalist.