Ryan Sevilla - Head Coach 16 & Under Girls
- Started playing water polo at age 12 for East Bay Water Polo under Skip Mann
- Played on 680’s inaugural 14u team in 2006 under Matthew Mundelius
- Played at Las Lomas HS (2007-2010)
- All-American, team captain, and NCS Champion during senior season at Las Lomas (2010)
- Single season assist record holder with 90 assists (2010)
- Played 2 seasons at Diablo Valley College (2011-2012)
- 2-time All-American, 2-time All-Conference, All-Norcal, and All-State Team member
- Played 3 seasons at Chico State while majoring in Communications (2013-2015)
- 3-time All-American and team captain
- Coached Indian Valley Swim team for 7 years (2010-2016)
- Coached 680 10u’s during college (2011-2012)
- Coached 680 12u, 14u, and 16u boys (2015-2018)
- 680 16u Girls Head Coach (2019-Current)
- Current Head Coach for Las Lomas Girls (2017-Current)
- Varsity Boys assistant coach (2016-2019)
- JV Boys Head Coach (2016-2017)
- Varsity Girls assistant coach (2016)
- 2024 Doc Hunkler Award (Scholastic Women's Coach) winner for Pacific Zone