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About KCS

Our Leadership Team

Meet the

KCS is led by a dedicated team of healthcare professionals, community advocates, and clinical experts committed to serving Orange County since 1977.

Executive Leadership

Ellen Ahn, JD, MPH

Chief Executive Officer

Nicole Quick, MD, MPH

Chief Medical Officer

Kay Ahn

Chief Operations Officer

Anna Keiderling

Chief Administrative Officer

Bora Shin, MD

Pediatrics Director

Mario San Bartolome, MD

MAT Director

Miguel Alvarellos, MD

Psychiatric Director

Jamie Kang, PhD, DMD

Dental Director

Stella Hong, LAc

CAM Director

Mina Kim, LCSW

Behavioral Health Director

Kwang Ho Kim, ACSW

Community Services Director

Charlene Choi, JD

Health Strategy Director

Board of Directors

MCMaria A. Calderon, MPH
MYMichael Yong Cho
EGEdward Garren, LMFT
PIPaul J. Im
IKInja Kim, JD
SKSony H. Kim
TLThomas Lee, MDiv
DPDavide Pigliacelli
ASAhn Ja Sung
Years Serving Community
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Locations in Orange County
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Languages Serviced
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*Interpreter available upon request

Services/Programs Offered
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Join a team that puts community first.

KCS is always looking for passionate people who want to make a real difference in Orange County. Join a dedicated team delivering quality healthcare to our entire community. 

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