Bachmann served as an assistant for the Milkmen with Jun Reyes in 1998 to 1999 as playing assistants. In 2000, they became full-time assistants. Bachmann served as an assistant until 2012.
Executive career
He was the general manager of the defunct PBA team Alaska Aces from 2012, and concurrently Team Governor since 2014 until the team folded.
Bachmann was appointed by President Bongbong Marcos as chairman of the Philippine Sports Commission on December 28, 2022. He succeeded Noli Eala and took oath as chairman on January 4, 2023. He resigned from his other duties with the UAAP and the PBA 3x3 to fully focus on his role with the PSC. Bachmann headed the PSC until his replacement by Patrick Gregorio in 2025.