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Staff

The Orange County Community Foundation Team

The Orange County Community Foundation’s staff oversees day-to-day operations, including administration, marketing and communications, community investment, giving strategies and financial oversight.

Staff can be contacted at (949) 553-4202 between 8:30 am and 5 pm on weekdays. The office is located at 4041 MacArthur Boulevard, Suite 510, Newport Beach, CA 92660.

Executive

Shelley Hoss
President & Chief Executive Officer
(949) 553-4202 x225

Tammy Tumbling

Tammy Tumbling
Executive Vice President & Chief Operating Officer
(949) 553-4202 x246

Anne Leinart
Senior Administrative Officer & Board Liaison
(949) 553-4202 x226

Jessica Knostman
Executive Assistant
(949) 553-4202 x257

Center for Engaged Philanthropy

Todd Hanson
Vice President
(949) 553-4202 x244

Keri Mesina
Philanthropic Advisor
(949) 553-4202 x260

Lisa Wilterink
Philanthropic Services Officer
(949) 553-4202 x242

Rachel Donawerth
Center for Engaged Philanthropy Associate
(949) 553-4202 x245

Donor Relations & Programs

Cathleen Otero
Vice President Donor Relations & Programs
(949) 553-4202 x240

Carol Ferguson
Director, Donor Relations & Programs
(949) 553-4202 x227

Austin Muckenthaler

Austin Muckenthaler
Donor Relations & Programs Officer
(949) 553-4202 x248

Nicole Connolly
Donor Relations and Programs Assistant
(949) 553-4202 x266

Mollie Esposito-Cerros
Donor Relations & Programs Officer
(949) 553-4202 x230

Thomas Moore
Grants Administrator
(949) 553-4202 x234

Treena Salerno
Donor Relations & Programs Associate
(949) 553-4202 x243

Mayrasmall

Mayra Chavez
Donor Relations & Programs Associate
(949) 553-4202 x237

Finance & Administration

Tracy Branson, CPA
Chief Financial Officer
(949) 553-4202 x233

Greg Cravens, CPA
Controller
(949) 553-4202 x231

Nicole Perry, CPA
Accounting Manager
(949) 553-4202 x241

Dan Ball
Senior Staff Accountant
(949) 553-4202 x224

Priscilla Aguilar
Finance & Administration Associate
(949) 553-4202 x221

Suzanne Preston
Administrative Assistant
(949) 553-4202 x232

Philanthropic Strategy

Margita Blattner
Senior Director of Philanthropic Strategy
(949) 553-4202 x222

Linda Tinoco
Philanthropic Associate
(949) 553-4202 x255

Marketing & Communications

Rebecca Wardell
Director of Marketing & Communications
(949) 553-4202 x247

Rachel Shelley
Digital Marketing Manager
(949) 553-4202 x252

Information Technology

Zoom Nguyen
Project Manager
(949) 553-4202 x256