Skip Navigation LinksHAI_AC_MembersList

 healthcare-associated infections (HAI) program

HAI Advisory Committee Members

Voting members are selected to their expertise within categories as defined in Health and Safety Code Section 1288.5(b). Liaison members represent the professional organizations that appoint them. Members do not represent the healthcare facilities or departments for which they work. 


Health Care Consumer

Marian Hollingsworth
La Mesa, CA

Tashia Orr
Sacramento, CA                                                                             


Health Care Provider

Arianna Samspon, PA-C
Marshall, CA

Geany Ryan, RN, MSN, NP
Woodland, Hills, CA

David HA, PharmD, BCIDP
San Carlos, CA


Hospital Administrator

Keith Bradkowski, MS, RN, NEA-BC
King City, CA 

Amber Theel, BSN, MBA, CPHRM, CPHQ
Roseville, CA


Infection Preventionists

Silvia Gnass, MSc, CIC
Riverside, CA 

Patricia Sung, MPH, CIC
San Gabriel, CA

Anjali Bisht, MPH, CIC, CLSGB
Los Angeles, CA                                                                                     

  Integrated Health Care Systems Expert or Representative

Cristine Lacerna, RN, MPH, CIC
Oakland, CA

Theresa Caughlin, RN, MHA, CIC
Rancho Palos Verdes, CA    

Local Health Department                                                  

Zachary Rubin, MD
Los Angeles County: Los Angeles, CA

Robert Bernstein, MD, PhD, MPH, PACPM
Tuolumne County: Sonora, CA


Physician with Expertise in Infectious Disease or Hospital Epidemiology

Sarah Doernberg, MD MAS
San Francisco, CA

Marisa Holubar, MD, MS
Stanford, CA



California Academy of Physician Assistants


California Association for Professionals in Infection Control and Epidemiology ​​

Louise McNitt, MD


California Association of Communicable Disease Controllers


California Hospital Association

BJ Barteson, RN, MS, NEA-BC

California Medical Association

Michael Butera, MD

California Nurses Association

Kathy Dennis, RN

Health Services Advisory Group (HSAG) of California

Howard Pitluk, MD, MPH, FACS

Infectious Disease Association of California

Jeffrey Silvers, MD 

Page Last Updated :