First elected to the board in 2006, he represented the cities of Campbell and Santa Clara, as well as west San Jose and the Burbank and Cambrian neighborhoods.

[3] In 1984, Yeager was a cofounder of the Bay Area Municipal Elections Committee, described as a "four-county lesbian, gay, bisexual, and transgender political action group.

"[4] He came out publicly in a 1984 San Jose Mercury News opinion piece in response to the anti-gay rhetoric of a local state senator.

[4] In 1992 he became[4] the first openly gay elected official in Santa Clara County,[3][5] when he was named as trustee of the San Jose-Evergreen Community College District.

[3] He was a candidate for the 23rd district seat in the California State Assembly in 1996, coming in second in the Democratic primary to then-Santa Clara County Supervisor (later Congressman) Mike Honda.

[6] Yeager served on San Jose City Council from his election in November 2000 until March 2004, when he was re-elected for a second term[3] that lasted until 2006.

First elected to the board in June 2006, he represented the cities of Campbell, Santa Clara, west San Jose, and the Burbank and Cambrian neighborhoods.