HSI Leadership and Management Team
BOARD OF DIRECTORS
Edward Loss
Chairperson/President
Vice President Finance
Tri-Valley Worldwide Moving & Storage
Ron Marblestone
Secretary/Treasurer
Attorney
Ronald Banks MD, MPH
Rear Admiral and Assistant Surgeon General
United Public Health Service, Retired
Cecily Cosby PhD
Professor, Samuel Merritt University School of Nursing
Jan Glenn-Davis
Chief of Police, Cal State University East Bay
Sylvia Fox
PhD Associate Professor, Samuel Merritt University
John Herkenhoff LMFT
Program Director, Lincoln Child Center
Beatrice Pressley PhD
Professor, Retired, Cal State Hayward
Keith Lewis
Executive Director, Horizon Services, Inc.
SENIOR MANAGEMENT
Keith Lewis
Executive Director
Karen Andrews
Finance Director
Jan Markwart
Operations Director
CLINICAL SERVICES DIRECTOR
Janeen Smith MFT
PROGRAM DIRECTORS
Linda Blaine – Cherry Hill Detox Services
Lee Bennett – Horizon South
Rochelle Collins – Project Eden
Joan Diedrich – Palm Ave Detox
Dr. Moses Ekpebe – Cronin House
Elaine Lopes - Chrysalis
Linda Pratt-CommPre
