Club Directors
George Kuntz
Technical Director
Zeta FC Technical Director, George is a four-time Big West Coach of the Year who has led Cal State Fullerton since 2013, guiding the program to three Big West titles and multiple NCAA tournament bids. With 388 career wins, he previously transformed UC Irvine into a powerhouse, developing players who advanced to MLS and national teams. Renowned for his ability to build winning programs and cultivate top-tier talent.
Sey ''C'' Rosenstrauch
Academy Director
Zeta FC Academy Director and Head Coach with extensive experience in elite player development, having produced numerous professional and national team players with Strikers FC and Pateadores. Holding top coaching credentials, including the USSF A, UEFA A, Academy Director, USSF National Youth, and KNVB Dutch Youth Licenses, brings a wealth of knowledge to developing high-level talent. From South Africa
Alex Flor
Director of Yorba Linda Region
With 19 years in club, 18 in high school, and seven in college coaching, I also have 10 years as a DOC, an internship with Uruguay U18, licenses from the USA, Brazil, and Argentina, and experience in Mexico’s third division with CD Jalos JCD.
Bart Hess
Tournament Director
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Coaching Staff
Rafel Espinoza
B2010/2011/2015
Rafael Espinoza, known as Coach Rafa, played D1 soccer at UC Irvine and professionally for Irvine Zeta's Pro team in 2024. He holds a Grassroots License and is currently pursuing his D License.
Vincent Davis
B2017 & G2010/2011
15 years of coaching experience, emphasizing teamwork, growth, and game intelligence. Has developed championship-winning teams, including CIF High School and top-level Competitive Club champions.
Lino Gomez
G2009
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Oscar Cervantes
B2016/2017/2018
Born in Indio, California. Works as an LVN and has been coaching youth soccer for 18 years. Played as a central midfielder until 18.
Bill Rex
G2013/2014/2015
Over 20 years of youth coaching experience and 15 years in club soccer, currently holding a D License.
Katelyn Rex
G2013/2014/2015
Played soccer for 14 years and has been coaching for the past 8 years, starting with an AYSO team at 15 and coaching at 16.
Mike Baas
B2012
Coaching soccer in Orange County for 11 years, guiding the same team from AYSO EXTRA to F1 soccer in the So Cal League with Irvine Zeta FC. Committed to positively impacting the community through soccer.
Jose Sanchez
B2012/2013
A USSF E License coach with over a decade of experience, he has coached at Club America SA, Strikers HB, OC Surf, and SoCal Reds. He has led high school teams like Laguna Beach HS and coached in UPSL and WPSL, developing young athletes since 2010.