[2] Brunner received a Bachelor of Science degree in Industrial Design from San José State University in 1981.
[8] In 2006, Brunner partnered Alex Siow, founder of San Francisco-based Zephyr Ventilation, to launch outdoor grill design firm Fuego.
Emblematic of his relationship with Siow, he designed the Arc Collection of modern range-hoods for Zephyr Ventilation.
[8][9] In 2008, former MetaDesign leaders Brett Wickens and Matt Rolandson joined Ammunition LLC as partners.
[10] In 2008, Brunner collaborated with Jimmy Iovine and Dr. Dre to launch Beats by Dre, and is responsible for the design of the company's lines of headphones and speakers [11] including Beats Studio,[12] Powerbeats, Mixr,[13] Solo and Solo Pro as well as the Pill wireless speaker,[14] among others.