cropped Dave for websiteDave Higaki
Executive Director and Tennis Director

Dave has served as the Executive Director of EPATT since 1999. As a tennis coach, Dave has worked with several nationally ranked junior players, coached on the ATP tour and served as volunteer assistant for the Stanford Men’s Tennis Team. In 2011, Dave was presented with the USTA NorCal Diversity Icon Award for outstanding leadership and contribution at the national, sectional and local levels of USTA. He has also been presented with the Fred Earle award for his contribution to coaching.  Dave currently is the Vice Chair on the USTA’s NJTL national committee and was recently named to the USTA Foundation’s Advisory committee. Under Dave's direction, EPATT has been recognized as one of the leading tennis and education programs in the country. Dave was inducted into the USTA NorCal Tennis Hall of Fame in 2017. 



Kesha Weekes

Kesha Weekes
Academic Director and Middle School Group (MSG) Director

 Kesha attended Stanford University, earning a BA with honors in Public Policy, with a concentration in Education. While at Stanford, Kesha was Director of the East Palo Alto Stanford Summer Academy, a teacher's aide at Green Oaks Elementary School and served as an intern at Washington, DC's Institute for Educational Leadership. Her honors research was a case study on the relationship between youth development organizations and schools in helping eighth grade students bridge the gap between Ravenswood and Sequoia School Districts. Kesha joined the EPATT team in 1988.


ChristinaChristina Erwin
Elementary School Group (ESG) Director

 Christina grew up in Los Angeles and graduated from Stanford University in 2000, earning a BA in English and African American Studies with honors.  While at Stanford, she worked with numerous non-profit organizations that serve the East Palo Alto community, including Upward Bound, East Palo Alto Stanford Academy, and the Foundation for a College Education.  Christina joined EPATT in 2000 as the College Preparatory Coordinator and is now bringing her knowledge and philosophy of college preparation to the elementary school students and families at EPATT. 


P1090415 2Maribel Zarate
High School Group (HSG) Director

Maribel moved to the US from Jalisco, Mexico, when she was 8 years old.  She arrived not speaking a word of English but was able to pick it up in only 6 months.  She attended Woodside High School in Redwood City and the Upward Bound program at Stanford. She graduated from UC Santa Cruz in 2005 with a BS in Earth Science.  Before joining EPATT, Maribel worked with students in a variety of capacities.  First, she worked at the Chabot Space and Science Center as a Field Trip Educator.  Next, she joined Our City Forest teaching students about the importance of trees in urban settings.  In her most recent position, she was a case manager for four years at Redwood City-based Friends for Youth, a mentoring program for youth-in-need, where she matched mentors with kids.  Maribel joined EPATT as the High School Group Coordinator in July 2014.  She was drawn to EPATT because it provides parent education, which she believes is the key to success.  She enjoys helping high school students reach their potential.


P1030272Adrian Amaral
Operations Manager and Volunteer Coordinator

 Adrian started at EPATT when he was a sixth-grader at Flood Elementary School in East Palo Alto.  Adrian immediately took to the EPATT program and began to raise his academic level. Recognizing his leadership and academic prowess, EPATT recommended him to private Pinewood School for his high school education. Adrian’s affable and endearing personality helped him navigate a new social/ economic environment while EPATT helped support his academics. He thrived as a student at Pinewood. Post high school he attended St. Mary’s College in Moraga, California, earning a BA in International Area Studies and Spanish.  After graduation, Adrian worked at American International in Spain helping Spanish student athletes get information about US colleges’ and universities’ athletic programs.  Before joining EPATT in July 2014 Adrian worked at Stanford, still managing to tutor a first-grader at EPATT.  Adrian is happy to be back at EPATT, helping other students just as he was helped years ago.


mark st. john copyMark St. John
Business Manager 

Mark brings a wealth of finance, business leadership and teaching experience to EPATT. Mark’s distinguished career began at Intel in his native Barbados, eventually becoming Controller, Worldwide Accounting and External Reporting. Mark earned his MA in Education at Stanford University in 2001 after leaving Intel in 1999. He then taught AP Calculus BC for 13 of the 17 years he served on the staff of Cupertino High School.  He has won multiple teaching awards and serving as the school’s Future Business Leaders of America (FBLA) Adviser. He led his chapter to second place in the 2016, 2017 and 2018 California state championships and was named California’s Outstanding Adviser in 2017. Mark holds an MBA from the University of Western Ontario and BS in Electrical Engineering from the University of the West Indies.



cropped Amy for websiteAmy Kohrman
Development and Communications Manager 

 Amy joined EPATT in 2011 with over 20 years of experience as a product manager and marketing writer for non-profits (The Nature Conservancy, Stanford University), tech companies (Art Technology Group, Common Loop) and publishers (Highwire Press, Harvard Business School Publishing).  A graduate of the University of Pennsylvania (BA) and Babson Graduate School of Business (MBA), Amy brings a rich business background to the EPATT team.  EPATT depends on outside funding to run its programs and Amy is responsible for raising money through grants and corporate and individual donations.  Amy also manages marketing and communications to help build awareness of EPATT and its impact in the East Palo Alto community.