Our Staff

Christian Esteban

Interim Executive Director 

Christian joined the JOYA Scholars team in 2015 as a volunteer mentor. After serving as an AmeriCorps member with OneOC and Orangeview Junior High School, he took on the role of Program Coordinator with JOYA.

Christian graduated from UC Irvine with a BA in Psychology & Social Behavior and Anthropology. In his time at UCI, he worked one-on-one with first-generation college students, global anti-poverty advocates, and children with high-functioning autism and their families.

Christian is passionate about giving students and families the tools they need to succeed, and connecting volunteers and community organizations to the causes they care about.

As Interim Executive Director, Christian is responsible for staff supervision, fund development, community outreach, and vision and planning.


Tomoko Taguchi

Maple Program Coordinator 

Tomoko grew up attending international schools in Indonesia and the Philippines, and she is bilingual in English and Japanese. After receiving a BA in Journalism from Biola University in 2013, she went to work as an English teacher in Japan for a few years. Then in May 2018 she received an MA in Counseling from Chapman University as well as a Pupil Personnel Services credential after serving as a school counseling intern at Orangeview Junior High School and Oxford Academy. She is passionate about closing the achievement gap for underrepresented populations and advocating for equal opportunity of all students to attain college and career readiness.

Tomoko joined the JOYA Scholars team in August 2018 as the Maple Program Coordinator and is responsible for overseeing the Junior High and High School Program, as well as recruiting and managing JOYA’s Volunteer Team of mentors and tutors.

Tim Bradford

AmeriCorps VIP Fellow

Tim joined JOYA Scholars in September 2018 as an AmeriCorps VIP Fellow. Following an upbringing in South Korea and Italy, he moved to Orange County to pursue a BA in Business Administration from Hope International University. As a student, Tim engaged the HIU community as a Resident Advisor and Student Activities Intern until his graduation in May 2018.

In pursuit of supporting those most in need, Tim brings a global perspective to the Garnet and Maple neighborhoods. As an AmeriCorps VIP Fellow, Tim guides our volunteers through their journey with JOYA Scholars, providing each mentor, tutor, and intern with the resources they need to make the greatest impact on the lives of our students and families.