Jasjit Singh


Assistant Division Chief, Infectious Diseases Children’s Hospital Orange County

Pia Pannaraj

Vice President

Associate Professor of 
Clinical Pediatrics,
Molecular Microbiology and Immunology at
University Southern California

Randy Bergen


Retired Kaiser Permanente Medical Group

Eric Ball

Director at Large

Pediatric Physician for
Southern Orange County Pediatric Association

Follow me on Twitter  @DrEricBall

Lydia Bourne

Director at Large

Lobyist, Bourne
& Associates

Oliver Brooks

Director at Large

Chief Medical Officer and past Chief of Pediatric and Adolescent Medicine at Watts Healthcare Corporation

Meg Dorsey

Education Chair

  Immunization Coordinator, Placer County Health and Human Services Department

Kathe Gustafson

Director at Large

Retired Chief of Immunization Branch County of San Diego Health and Human Services Agency

Julia Heinzerling

Governance Chair

Special Assistant to the Chief Medical Officer at Los Angeles County Department of Public Health

Pamela Kahn

Director At Large

Coordinator for student achievement and wellness at Orange County Department of Education

Aizita Magana

Director At Large

Director of Planning and Public Partnerships,
Vaccine Preventable Disease Control Program
Los Angeles County Department of Public Health

Sallie Negin

Director at Large

Central Valley Immunization Coalition

Amy Pine

Director At Large

CA COVID-19 Vaccine Task Force

Jasjit Singh, MD

 Jasjit Singh, MD, is Assistant Director of the division and serves as the Medical Epidemiologist for CHOC Children’s Hospital in Orange, CA.  Dr. Singh received her undergraduate degree at Harvard University, and her medical degree from the Duke University School of Medicine. She completed her pediatrics residency at Cornell University Medical Center in NY, where she also served as Chief Resident, before completing her subspecialty fellowship training in Pediatric Infectious Diseases at Johns Hopkins Medical Center in Baltimore.

Dr. Singh’s main interests are in the prevention of infection and vaccines, international health, and primary immunodeficiency conditions in children. She is active in clinical research, has presented her work at scientific meetings and has multiple publications. She has a passion for teaching medical students and residents, and gives frequent lectures at CHOC and in the community on a variety of infectious disease topics.

Chairing the Orange County Immunization Coalition since 2013 has been very fulfilling for Dr. Singh, as a multidisciplinary collaborative to keep the kids of Orange County healthy. She also serves as the vaccine champion for Chapter 4, AAP. She and her husband enjoy doing medical missions abroad, and hope to do more in the years ahead.

Pia Pannaraj, MD, MPH

Pia Pannaraj, MPH, is an Associate Professor of Clinical Pediatrics and Molecular Microbiology and Immunology at the USC Keck School of Medicine and an Infectious Disease Specialist at Children’s Hospital Los Angeles. She also serves as the Director of the USC Pediatric Global Health Residency Track. She has written extensively and lectured nationally and internationally on vaccines, vaccine-preventable diseases, neonatal health and immunology. She has also received multiple awards for her leadership including an American Physicians Foundation Outstanding Mentorship Award, several young researcher awards, and a Garvey School District award for her contribution to school health and disease prevention.

Randy Bergen, MD

Randy Bergen, MD is a Senior Physician with The Permanente Medical Group (TPMG) at the Walnut Creek Medical Center, and serves on the Board of TPMG. Randy Bergen has been a member of a variety of professional associations including the California Medical Association and American Academy of Pediatrics and has chaired various Kaiser Committees. In addition to serving as a Senior Physician, Dr. Bergen is a clinical site investigator for the Northern California Kaiser Permanente Vaccine Safety Study Center and the clinical lead for the Northern California Kaiser Permanente Influenza Vaccine Program. Dr. Bergen received his medical degree from the University of Minnesota, Minneapolis and an MPH from the University of California, Berkeley. He completed a pediatric infectious diseases fellowship at Stanford University Medical Center. He has co-authored journal articles regarding varicella-zoster virus, influenza vaccine, and other clinical topics.

Eric Ball, MD

Eric Ball, MD, Eric Ball is a primary care pediatrician at Southern Orange County Pediatric Associates, a member of the CHOC Children’s Primary Care Network. Dr. Ball is the immediate Past President of the American Academy of Pediatrics in Orange County and a member of the Board of Directors of the AAP-California. He also serves as an Assistant Medical Director with CHOC Health Alliance, serves on the Medical Leadership Council at Monarch Healthcare, and is a delegate to the California Medical Association House of Delegates, representing Orange County Physicians.

Dr. Ball received his degree at Duke University, attended medical school at the University of North Carolina at Chapel Hill, and trained in pediatrics at Stanford University, where he also served as Chief Resident. Eric is a frequent contributor and media spokesperson on behalf of AAP and his practice.  He was involved in support of recent legislation on SB 276 and worked in collaboration with other health professionals and advocacy groups to secure the passage of this and other legislation to support public  health and immunizations.

Follow Dr. Ball on Twitter @DrEricBall

Lydia Bourne, RN

Lydia Bourne’s professional experiences are varied. Her primary professional experience has been in health care – as a Registered Nurse, health educator, program developer, and administrator. In addition to her professional experience, Ms. Bourne has long been active as a volunteer and community activist. Her legislative and regulatory experience includes health care, K -14 education, and professional licensure matters. She has been successful in navigating health and educational issues through the legislative process and in influencing Governors Wilson, Davis, Schwarzenegger and Brown to sign legislation on key issues. Presently she is owner of her own government relations firm – Bourne & Associates.

Lydia has been Executive Director and Legislative Advocate of the California School Nurses Association; Chair of the Maternal, Child and Adolescent Health Advisory Board of Yolo County; Chair of the March of Dimes Public Affairs Committee, and Vice Chair of the March of Dimes Executive Committee. She also was a member of the Sacramento County Black Health Network and the Sacramento County Black Infant Health Community Advisory Board. She served in a variety of positions on the Shots for Tots board and has served on the CIC BOD several times.

Oliver Brooks, MD

Oliver Brooks, MD is the Chairman of the Immunize LA Families Coalition. He is a member of the national Leadership Panel for the Adolescent Immunization Initiative (AII), which advocated successfully for adding a column on the ACIP’s yearly vaccine recommendations in 2017. Dr. Brooks also has joined the Health and Human in June 2020, Dr. Brooks asked to, and joined the ACIP COVID-19 Work Group discussing and making recommendations to the ACIP regarding (potential) COVID-19 vaccine prioritization. Dr. Brooks is the immediate Past President of the National Medical Association (NMA), which represents the nation’s 55,000 African-American physicians. Dr. Brooks is Chief Medical Officer and past Chief of Pediatric and Adolescent Medicine at Watts Healthcare Corporation in Los Angeles. He is a Medical Director for L.A. Care Health Plan, one of the nation’s largest Medicaid managed care plans.

Meg Dorsey, RN, PHN

Meg Dorsey, RN, PHN is the Immunization Coordinator for the Placer County Health and Human Services Agency and manages a variety of immunization activities including provider support, community outreach and education, and surveillance. Meg’s experience in the field of immunization includes 16 years as a public sector business manager for a vaccine manufacturer in several western states. She brings clinical knowledge to the board from her past front-line experience working as a nurse in community and academic hospitals.

As a long-time supporter of CIC and many other immunization coalitions, Meg and her work are well known to many of CIC’s members. However, you may not know that she provides nursing services at a 100 bed homeless shelter in Placer County, teaches reproductive health in the Juvenile Detention Facility, and enjoys running the many trails in the Sierra Foothills with her rescue dogs.

Kathleen Worthing Gustafson, MPH

Kathleen Worthing Gustafson, MPH, a founding member of the CIC Board of Directors.  Prior to the establishment of CIC she served as a member of the Board of Directors of the California Coalition for Childhood Immunization (C3I) and as President of the C3I Board.

Kathe retired as the Chief of the Immunization Branch for the County of San Diego Health and Human Services Agency. She began her work in immunizations in 1990 and was instrumental in establishing the San Diego Immunization Coalition. Kathe is also a member of the Planning Committee for the National Conference of Immunization and Health Coalitions, and has served on various health coalitions including the San Diego Combined Health Agency Drive and Food for All. Prior to her work in the immunization arena, she held a variety of positions while moving 29 times during her husband’s Navy career.

Julia Heinzerling, MPH

Julia Heinzerling, MPH, is the Special Assistant to the Chief Medical Officer at LA County DPH. In this role she coordinates special projects, develops communications for Departmental and external stakeholders, and is engaged in strategic planning and policy efforts. She also serves as the Managing Editor for LADPH’s newsletter, Rx for Prevention. Julia’s prior work focused primarily on health promotion, social support, disparities, quality improvement, and grants management. She received her MPH with a specialty in health policy and administration from UC Berkeley. Julia has been active with CIC for many years and has held a variety of leadership roles, including President, Vice President, lead Coordinator of the Disparities Work Group, and member of the Summit Planning Committee.

Pamela Kahn, MPH, RN

Pamela Kahn, MPH, RN, is the Coordinator for Health and Wellness at the Orange County Department of Education and she has been a credentialed school nurse for more than 20 years. In her first 12 years as a school nurse, she carried a caseload of approximately 10,000 7th-12th grade students spread among 5 schools. In addition to being responsible for the students’ care, she oversaw the training of unlicensed assistive school personnel. Currently, Ms. Kahn provides technical, advisory, and consultative services to the assistance and resources to the 28 school districts in Orange County, serving more than 500,000 students, in the areas of health education, nursing and health services, and nutrition services. Pamela has provided leadership for health programs improvement by developing strong relationships, collaborating and planning with the community at large, public and private community agencies, school district leaders, Orange County Department of Education staff and the State Department of Education.

Ms. Kahn is now immediate Past President- of the California School Nurses Organization (CSNO), and is a member of several professional organizations, including the California School-Based Health Alliance, the National Association of School Nurses, the Orange County School Nurses Organization, and the Orange County Immunization Coalition Advisory Committee.

Aizita Magaña, MPH

Aizita Magaña,MPH, has served as the the Director of Planning and Public Partnerships for the Vaccine Preventable Disease Control Program at the Los Angeles County Department of Public Health since 2017. Prior to this, her work focused on planning for pandemic influenza, promoting influenza vaccination among early education and childcare providers, promoting the health and wellbeing of women and children, and addressing health disparities and the social determinants of health. Ms. Magaña’s areas of expertise include health disparities, vaccine preventable disease, maternal and child health, strategic planning, reporting, research, evaluation, grant making, and community engagement.  She also has expertise in emergency preparedness and response.

She has served on the Board for Making Education the Answer (META), a non-profit organization that provides scholarships and mentoring to low-income Latino youth who are first generation to attend college. Ms. Magaña received a BA in Women’s Studies from UC Berkeley and an MPH from the University of Michigan.

Sallie Negin, RN

Sallie Negin, RN, Ms. Negin has extensive immunization and quality improvement (QI) experience. As a health facility site reviewer, she frequently provided education to pediatric and adult providers regarding Advisory Committee for Immunization Practices (ACIP) recommendations and routinely encourages providers to enroll in the California Immunization Registry (CAIR). She also coordinated the collection of Healthcare Effectiveness Data and Information Set (HEDIS) measures, to assess and monitor quality. To improve provider practices and increase immunization rates, she’s partnered with the Vaccines for Children (VFC) Program to implement QI projects in provider offices.

For the past twenty years, Ms. Negin has been active with the Central Valley Immunization Coalition. She has served on its Executive Board for many years and has held the leadership positions of Chair and Treasurer, both for multiple terms.


Amy Pine, MPH

Amy Pine, MPH, is currently leading three teams on CA’s COVID-19 Vaccine Task Force. She has over twenty years of experience and multiple accomplishments in the world of immunizations. Previous immunization-related jobs were at the Carter Center’s Task Force for Child Survival and Development in Atlanta GA, Children Now, the Nevada Health Division, and the San Francisco Department of Public Health and the Alameda County Public Health Department. She thinks vaccines are amazing for their disease prevention qualities and appreciates how multiple, complex systems beautifully come together when a person is fully vaccinated. Amy went to UCLA for college and got her MPH from Emory University. She was also a Peace Corps volunteer and served in Mali.