HSI Leadership and Management Team
BOARD OF DIRECTORS
Edward Loss
Chairperson/President
Vice President Finance
Tri-Valley Worldwide Moving & Storage
Cecily Crosby PhD
Professor, Samuel Merritt University School of Nursing
Ron Marblestone
Secretary/Treasurer
Attorney
Jan Glenn-Davis
Chief of Police, Cal State University East Bay
Keith Lewis
Executive Director, Horizon Services, Inc.
Beatrice Pressley PhD
Professor, Retired, Cal State Hayward
SENIOR MANAGEMENT
Keith Lewis
Executive Director
Karen Andrews
Finance Director
Jan Markwart
Operations Director
CLINICAL SERVICES DIRECTOR
Ann Rawley PhD
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
