Leadership Meet Our Leadership Team & Board of Directors

Jonathan Castillo

Jonathan Castillo

Chief Executive Officer

Jonathan Castillo is the Chief Executive Officer of San Diego Youth Services, where he leads efforts to provide housing, support and life-changing services to vulnerable youth. With a deep commitment to equity, Jonathan works to close systemic gaps and address the social determinants of health that affect marginalized communities. He believes early, personalized, and responsive care is essential to breaking cycles of poverty and homelessness. His leadership emphasizes sustainability, innovation and measurable outcomes, ensuring programs grow with lasting impact. Jonathan is dedicated to building a stronger, more supportive future for all of San Diego’s youth.

Hanan Scrapper

Hanan Scrapper

Chief Operating Officer

Hanan brings over two decades of leadership in social impact organizations. Formerly Regional Director at PATH San Diego, she advanced equitable housing solutions for individuals and families experiencing homelessness. Known for her calm leadership and deep commitment to equity, Hanan has led large-scale operations, managed multimillion-dollar budgets and built cross-sector collaborations to strengthen systems of care. A board member of NAMI and the Regional Task Force on Homelessness, she continues to champion innovative, compassionate approaches that empower vulnerable youth and drive lasting community change.

Sammy Fosah

Sammy Fosah

Vice President of Finance

With 20+ years of experience in senior leadership and public accounting, Sammy brings vast experience in both the non-profit and for-profit spaces. Sammy works closely with operations to provide efficient financial management and understand the numbers behind the work, from job costing and revenue tracking to financial reporting and variance analysis. He’s hands-on when it comes to audits and compliance and brings practical experience across multiple accounting systems. Sammy believes finance should be clear, useful and forward-looking, supporting great decisions, sustainable growth and the people doing the work every day.

Kristen Diggs

Kristen Diggs

Chief Human Resources Officer

Kristen has held leadership positions in nonprofit organizations for more than 17 years and has been in the HR field for over 25 years. In her role, Kristen oversees all aspects of Human Resources, ensuring that the mission of SDYS is achieved and staff are supported through effective talent acquisition, employee relations, compensation & benefits, policy and procedure management and cultural development. Before joining SDYS, she served as the Vice President of Human Resources and Chief Diversity Officer for the Chesapeake Bay Foundation in Maryland. She is a SHRM-SCP, and is the Incoming President (2026) for San Diego SHRM

Board of Directors

San Diego Youth Services

Monique Myers

Chair

Monique Myers

Deputy Attorney General, California Attorney General’s Office

Monique Myers has practiced law since 2013. She is a Deputy Attorney General in the Appeals, Writs & Trials section of the California Attorney General’s Office. Previously, she was a Deputy District Attorney in San Diego County.

Ronald Garnett

Vice Chair

Ronald Garnett

President & CEO, Council for Supplier Diversity

Ronald is President and CEO of the Council for Supplier Diversity, which has a mission to use Supplier Diversity initiatives as an engine for economic development in economically under-served communities. He is a Certified “Master Trainer” and his broad background in executive management, sales, distribution, operations, and human resources provides a unique combination of experience and competency when it comes to improving strategy.

Kym Dinehart

Treasurer

Kym Dinehart

Community Member

Kym is a finance executive with 30 years of experience. Her family's journey as political refugees from Vietnam in 1978 shaped her passion for giving back and helping others reach their potential. Through volunteering and serving on advisory boards for community-focused organizations, Kym strives to inspire others and create opportunities that foster growth and positive change in our community.

Precious Jackson-Hubbard

Secretary

Precious Jackson-Hubbard

Human Resources Officer, San Diego Unified School District

Precious has spent 20 years in education as a K-12 educator, administrator and Human Resource Officer where she is working to advocate for students, staff and families, especially those who require additional supports and services. Precious is a member of the local chapter of the National Sorority of Phi Delta Kappa Inc., a sorority of educators and certificated staff who provide community service, mentoring and professional development. She is the recipient of many awards related to her work and advocacy as an educator.

Sade Burrell

Director

Dr. Sade Burrell

Associate Dean, Cuyamaca College

Dr. Sade Burrell is a socially conscious leader committed to diversity, access and student success. She’s dedicated 15+ years to ensuring families and communities are provided with every opportunity to become successful. Now serving as an Associate Dean at Cuyamaca College, Dr. Burrell continues to serve her community by serving of boards such as San Diego Youth Services, where she provides insight as a person who experienced foster care.

 
Tim Ducker

Director

Timothy Ducker

Principal & Owner, consulTD

Tim has held multiple executive positions across both the for-profit and non-profit sectors and currently leads a bespoke consulting firm that is focused on delivering tangible impact for organizations and communities. Tim specializes in developing actionable strategic plans for social impact organizations, as well as facilitating large-scale employee engagement efforts, and has served on the boards of various non-profits across the US and Europe.

Alycia Huston

Director

Alycia Huston

CEO, The Culture Cru

Alycia Huston is a NeuroLeadership business strategist, and international speaker recognized for advancing equity-driven leadership and delivering measurable growth. As founder of The Culture Cru, Alycia collaborates with organizations to create environments where collaboration fuels innovation and inclusion anchors success. She guides leadership teams to align vision with intentional action, building systems that deliver sustainable results. Alycia applies over 20 years of expertise in strategic planning, leadership development, and operational excellence to help executives and organizations excel.

Director

Karl Mueller

Superintendent, Coronado Unified School District

Laurie Olague

Director

Laurie Olague

Owner & Principal Consultant, L Factor Consulting and Coaching

Laurie is a social impact consultant and certified coach who earned her M.A. degree in Nonprofit Management and specializes in social enterprise business operations, CSR, and program development. She has served in the nonprofit sector for the last 15 years as a volunteer, advisor, and program director at some of Los Angeles’ top nonprofits and employment social enterprises.

Laura Shanley

Director

Laura Shanley

Principal, Laura Shanley Consulting

Laura spent 14 years in Employee Communications and Engagement at a Fortune 500 company in San Diego. She has since transitioned to part-time consulting to have more time with her three children. 

Jefferey Sheriff

Director

Jeffrey Sheriff

Senior Associate, Pillsbury Winthrop Shaw Pittman LLP

Jeff works in the field of Intellectual Property Law. His professional highlights include being named the 2020 Distinguished Pro Bono Attorney of the Year at the Casa Cornelia Law Center; 2019 Pro Bono Publico winner at the Casa Cornelia Law Center; and the Pillsbury Winthrop Shaw Pittman Working Father of the year in 2020. Jeff and his wife Katie are the proud parents of three active kids.

Sobeida Velázquez

Director

Sobeida Velázquez

Lecturer at University of San Diego and San Diego State University  

Sobeida Velazquez has been in education
for over 20 years. She has been a classroom teacher, a resource teacher, a charter school CEO/Principal and an Elementary School principal. She is currently a lecturer at USD and SDSU while completing her Ph.D. in Education for Social Justice at the University of San Diego. 

 

San Diego Youth Foundation

Heather Stewart

Chair

Heather Stewart

Community Member

Heather is a self-proclaimed nerd who has over 15 years working in the tech industry with a special focus in children's video games and internet safety. Her philanthropic focus is mentoring today's youth while hoping to spark their passion for math, science, engineering and technology.
 
Mary Gafner

Vice Chair

Mary Gafner

IT Project Manager, Staff, Qualcomm  

Mary is an experienced Project and Program Manager currently working at Qualcomm, a semiconductor company headquartered in San Diego.  She has over 20 years of experience in technology, specializing in application development, implementation, and management.  Mary serves on the board of Qualcomm Women Employee Network and has been involved with multiple non-profits supporting San Diego youth including Big Brother Big Sister, Junior Achievement, and Voices for Children.

 
Kym Dinehart

Treasurer

Kym Dinehart

Community Member

Kym is a finance executive with 30 years of experience. Her family's journey as political refugees from Vietnam in 1978 shaped her passion for giving back and helping others reach their potential. Through volunteering and serving on advisory boards for community-focused organizations, Kym strives to inspire others and create opportunities that foster growth and positive change in our community.

Jessalyn Hines

Secretary

Jessalyn Hines

Senior Manager, PHD Media  

Jessalyn has 7+ years of advertising and marketing experience in digital and traditional media.  One of her first jobs was an intern in the Marketing & Development Dept. at SDYS while studying for her undergrad degree at SDSU.  She is a recent graduate from Pepperdine University with her MBA specializing in marketing.  She is passionate about helping the children of San Diego and has been a volunteer with since 2013.

Jake Connors

Director

Jake Connors

 Chief Technology Officer & Co-Founder, Cirsium Biosciences

Jake currently oversees the Cirsium Biosciences' technology strategy, platform development, and operational execution, where he focuses his efforts on transforming gene‑therapy manufacturing to make advanced genetic medicines more accessible worldwide. During his career, he has worked across multiple early‑stage biotech and agricultural technology ventures, building expertise in scalable bioproduction systems, molecular farming, novel biological platform commercialization, and startup leadership.

Director

Angelica Gamble-Wong

SVP Talent & Culture
Mission Fed Credit Union

Christina Lim

Director

Christina Lim

Principal, Concentric Consulting

Combining 25+ years of corporate communications leadership experience with a passion for coaching individuals and teams, Christina helps people figure out what's next in their careers based on what's important to them. She loves supporting teams going through change, employee engagement, culture building and developing talent.

Cathy LLoyd

Director

Cathy Lloyd

General Sales Manager, iHeartMedia

Cathy works at iHeartMedia, a leading global media and entertainment company specializing in radio, digital, mobile, social, live events and on-demand entertainment. She prides herself on supporting fellow women through networking and mentorship, and served on boards that help women and children throughout San Diego.

Maggie Lowe

Director

Maggie Lowe

Senior Director, Global Integration & Continuous Improvement

Maggie Lowe is an innovative leader with over 20 years of IT and continuous improvement experience, currently heading the IMO and Continuous Improvement Organization at Mesa Labs. Her career includes leadership roles at Qualcomm and Agena Biosciences, along with board advisory positions such as Hoover High’s Academy of IT. Passionate about giving back, Maggie leverages her expertise to support organizations with impactful programs.

 
Kelly McGeehan

Director

Kelly McGeehan

Deputy City Attorney, San Diego City Attorney's Office

Kelly has been on the Board for nearly 11 years. Kelly graduated from Notre Dame Law School in 2001.  She has served her community as a prosecutor both in San Diego County and in Cook County, Illinois.  After nearly ten years in that field, Kelly transitioned to civil law and now serves as a Deputy City Attorney for San Diego, defending the City in a variety of lawsuits.

Lida Rafia, Ph.D.

Director

Lida Rafia, Ph.D.

Principal Consultant, Self-Employed

With over 15 years of professional experience in higher education leadership, Lida has served in various leadership roles in community colleges, where she has been instrumental in leading strategic change. Her areas of expertise include program and curricula design, training and facilitation, executive coaching, strategic planning, and organizational development. As a Principal Consultant, she serves as a thought partner to leaders across health, higher education and business organizations to renvision their internal policies and procedures to reflect and promote greater equity.

Director

Manju Saxena

Community Member

Jenny Tsoulos

Director

Jenny Tsoulos

Sr. Director, HRBP ServiceNOW

As an HR leader, Jenny has 20+ years of experience developing and implementing strategies that drive high-performing, inclusive work cultures. Specializing in leadership development, organization design, and diversity, equity, and inclusion, she has been a trusted advisor to employees and executives, guiding them through complex change initiatives and fostering environments where employees thrive. Jenny currently leads talent strategy, engagement, and retention efforts, ensuring that organizational goals align with a people-first approach.

Sabina Widmann

Director

Sabina Widmann

Principal, Widmann Henderson Enterprises, Inc.

Sabina Widmann is the owner of Widmann Henderson Enterprises, a firm that provides coaching and consulting for business and life. She previously oversaw operations of TelevisaUnivision Communication Inc.’s (UCI) radio stations, and worked at Earthshare of California and the Environmental Health Coalition. In addition, Sabina is a proud board member of the San Diego Youth Services.  Widmann is bi-lingual and bi-cultural having lived over 5 years of her adult life in Latin America, and she is now raising her two daughters in San Diego.

Foundation Trustees

Trustee

Trevor Allan

Vice President, Alliant Insurance Services

Trustee

Christian Kurth

Community Member

Trustee

Damon Melda

Vice President, Tenant Representation
Jones Lang LaSalle

Trustee

Richard M. Segal, Esq.

Community Volunteer

Trustee

Fern Steiner, Esq.

Attorney
Smith, Steiner, Vanderpool & Wax

Trustee

Tambra Wayne

Community Volunteer

Trustee

Jesse Johnson

Sr. Processor Developmental Engineer / Illumina

Trustee

Stephanie Lloyd

Real Estate Broker

Trustee

Yandro Valdez

SVP Community Banks Division Manager / LPL Financial

Trustee

Taft Zitoun

CEO, Revenue Frontier

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