Our coaches are always available to answer any questions related to workouts, swim meets, goal setting and other "wet" swimming related needs.  If you have questions regarding schedule, billing or need general information, contact our Team Administrator at [email protected].




Jason York, Head Coach

October 2020 - Present, Email:  [email protected]

York was the head coach at Buenaventura Swim Club in Southern California for 13 years. During that time, the team earned the Silver Medal Club status. Under Coach York, Buenaventura Swim Club sent several swimmers to Olympic Trials.  Before Buenaventura, York coached at the renowned Santa Clara Swim Club for seven years, bringing his total coaching experience up to 21 years. 

During his own swimming career, York competed in distance freestyle events and swam the 800 free at the 1992 Olympic Trials in Indianapolis.



American Swim Coach Association/ASCA member/Level 3

October 2013-Present, Email: [email protected]

In 1999, Julie was the NCAA Champion in the 1650 freestyle, competing for the University of Georgia. She was an U.S. National Team member in 1997, '98, '99 and '00 and was ranked as high as 4th in the world in the 1,500-meter freestyle. She won three medals at the World University Games-bronze in the 400-meter free in 1997, and silver in the 1,500 free and bronze in the 800 free in 1999. Julie participated in the 1996 Olympic team trials and was a finalist in the 2000 Olympic trials, placing fifth in both the 400- and 800-meter free events.

At the University of Georgia, she was a 12-time All-American, three-time SEC champion and twice a first-team all-SEC selection. She won Georgia's Hardest Worker Award in 1997 and Most Improved Award in 1999, and she was a four-time letter winner. She was a six-time school record-holder in the 500-, 1,000- and 1,650-yard free events and the 800-yard free relay.  As well as winning the 1,650-yard free at NCAA’s her senior year, she helped the Bulldogs win their first NCAA championship team crown.  Julie is excited to be able to give back to the sport that she feels has given her much to her life’s success. She wants to share and teach how fun this sport can be, as well as learning life long lessons.

DORIAN JOHNSON, Assistant Coach

Email:  [email protected]

Dorian joined the club in 2009 and swam for a total of 10 years until he graduated from SCHS in 2019.  In that time, he broke numerous records and still holds the record for both the 1500 meter and 1560 yard freestyle.

Dorian has been coaching sincew June of 2019.  He is excited to give back to the sport that means so much to him.  Dorian believes that everyone is capable of achieving great things, while having a ton of fun doing it.


SANDY KOS, Assistant Coach

Email:  [email protected]

Sandy has been around swimming her whole life as either an athlete or a parent of SCA athlete's.  A NCAA Divison 3 All-American swimmer in the 200 butterfly, Sandy earned a B.S. in Microbiology and Economics at UCSD and a masters degree from UC Irvine.  Sandy is a former SCA board president and currently a swim coach at San Clemente High School and the Master's Coach at the Aquatic Center.  Sandy coaches the Senior I and FitPrep groups for SCA.



HANNAH MAFFRIS, Assistant Coach   

Email:  [email protected]


Indy Minnich, Assistant Coach

Email:  [email protected]