our Team
Executive Officers
Maribel Marin
Executive Director

Maribel Marin, named one of LA’s top collaborative leaders by the Los Angeles Business Journal, is the Executive Director of 211 LA County, a nonprofit organization helping over 500,000 individuals and families in Los Angeles County each year...

Amy Latzer
Chief Operating Officer

As COO of 211 LA County, Amy Latzer has led a transformation of the call center operations to focus on excellence in quality, productivity, and customer service. Amy provides leadership and staff development expertise...

Andrew Hart
Chief Technology Officer

Andrew is an accomplished technologist whose practical experience spans many domains. Previously a software engineer at NASA’s Jet Propulsion Laboratory, Andrew has since built and led software teams for both startups and non-profits, and is equally...

Chris Mattmann
Chief Research Officer

As CRO of 211 LA County, Dr. Chris Mattmann supports 211 LA County’s efforts to grow externally funded research programs by making its data more useful.  Chris’s primary responsibility is the successful execution of the company's research and...

Laura Mejia, CIRS, CRS
211 Program Manager

Laura Mejia has been with 211 LA County for nearly 30 years.  She has vast knowledge and experience in the I&R field including case management and providing direct services.  In her current role as Program Director she is responsible...

Elizabeth Ruiz, CIRS, CRS
Quality, Training & Coaching Manager

“Passionate about people, devoted to always cultivating a positive, productive and fun learning environment.”  Elizabeth Ruiz has been part of the leadership team at 211 LA County since 2008.  In her role as Quality Assurance,...

Minh Dang
Workforce & IT Supervisor

As 211 LA County’s Workforce and IT Supervisor, Minh Dang is responsible keeping 211 LA County’s core service of a 24 hour, 7 days a week call center running smoothly and efficiently. As Workforce Manager, Minh handles the forecasting, staff...

Sharon Luu

Sharon Luu has been with 211 LA County since 2007. As Controller, she brings to the organization expertise in business and finance, withover 19 years of experience in the non-profit sector and 3 years in the for-profit sector. Her experience...

Georgia Sales
Resource Systems Developer

  Georgia Sales has been a staff member at 211 LA County for more than 35 years. Beginning in 1981 with responsibility for overseeing the organization’s resource information system and developing the first transaction form for...

Juan Chavez
Administrative Manager

Juan Chavez manages the day to day business functions of the organization, including the administrative staff, office, and facilities . He joined 211 LA in 2002 and has served in multiple positions throughout the agency. He has a very diverse...

Alana Hitchcock, MPA
Senior Executive Assistant

Alana Hitchcock manages scheduling, communications, and Board relations for the Executive Team, and serves as project manager for client website development contracts. Prior to joining 211 LA, Alana worked in both the private and public sector...

Laura James, MBA, MHR, CRS
Resource Supervisor

Laura James is a self-professed Resource nerd. She supervises the team that is responsible for maintaining the 211 LA database. Providing accurate and accessible information to the public as well as partner agencies is her passion. LJ works to...

Patricia Herrera, M.S.
Director, Developmental Screening & Care Coordination

Patricia Herrera is a trained social worker and mental health professional with a career dedicated to the development of innovative, cost-effective models of care coordination to improve the health outcomes for children and youth with special health...

Chris Castillo MPA, CRS, CIRS
Housing Coordinator

Christopher Castillo has been with 211 LA County for a decade. He is an organized and skilled professional with nearly 15 years in the non-profit sector. For 6 years, he obtained experience assessing the needs of underserved populations...

Colin Foon
Project Manager

Colin Foon is 211 LA’s IT Project Manager and has been with 211 LA County for almost 4 years. His focus is on managing and launching successful projects with 211LA technology products and ensuring clients are setup for success....

David Serby
Mobility Manager

David Serby is a Project Manager for 211 LA County.  In his role, David is responsible for overseeing the agency’s Mobility Management Center projects and programs.  He leads a team of Mobility Managers that coordinates employment related...

Victor Rivas
Project Manager

Victor Rivas is a Project Manager at 211 LA County with a wide range of responsibilities from Human Resources and wellness programs to managing specialized hotline programs including Safely Surrender Baby and Lifeline. Victor started at 211 LA...

board of directors
John Donner

 Senior Advisor, Vectis Strategies

Robert Liljenwall
Vice President

The Liljenwall Group 

Michael R. McCabe

Retired, Manager Kaiser Permanente Human Resources

Beverly Jones

 Retired, Assistant Superintendent Personnel Services Temple City Unified School District  

Cora Jackson Fossett

Religion Editor/Staff Writer, Los Angeles Sentinel Newspaper

Denise Menchaca

 LA County Commissioner for Older Adults/San Gabriel School Board Member (ret)

Harry Yohalem

Retired, General Counsel California Institute of Technology

James Rinaldi

 Chief Information Officer, JPL  

Robert Terriquez

 Operations Support Manager, j2Global

Virginia Tanzmann, FAIA

 President, Parsons Brinckerhoff Architecture, Inc.

Valerie Lynn Shaw, MPA

 Retired, Los Angeles Board of Public Works