Bonnen is a graduate of Saint Edwards University, where he earned a bachelor's degree. Bonnen's professional experience includes working as a general manager for Master Data Systems, as a legislative analyst for CAN Manufacturers Institute, and as a small business owner.

He is a member of a number of organizations, including the Alvin Chamber of Commerce, Angleton Chamber of Commerce, Angleton Exchange Club, BACH, Boy & Girl Scouts of America, Brazoria Heritage Foundation, Brazosport Chamber of Commerce, Junior Achievement Board of Directors, Pearland Chamber of Commerce, Pearland Exchange Club, SFA 500, and Varner-Hogg Guardians Board.

Bonnen's previous political experience includes working as an advance team member on the Dole for President Campaign in 1995, and as Sergeant-at-Arms for the Texas State House of Representatives in 1993.