- Caps: 28
- Birthday: 10/10/85
- Position: Hooker
- Height: 5'11"
- Weight: 230
- Club: San Francisco Golden Gate R.F.C. (USA)
- College: University of California, Berkeley
- Hometown: Concord, CA
Biller made his Eagles debut on May 31, 2009, against Ireland in Santa Clara, California. He has earned 22 caps with the Eagles after a successful career at the University of California, during which time he was named a Collegiate All-American. Biller played for Aviva Premiership’s Bath Rugby in 2011 and signed for Northampton Saints in 2012.