Executive Team
Jesse H. Duff
Chief Executive Officer
Jesse Duff served as City Manager for The City of Duarte from 1986 to 2004. Following his retirement from that post in October, he held several interim positions, including City Manager of Claremont, City Manager of Irwindale, and Community Development Director of Rosemead. He is a graduate of Cal Poly University, Pomona, and received a Master of Arts Degree in Public Administration from Cal State University, Long Beach. Jesse and his wife Sally continue to live in La Verne, where they have resided since 1979.
Margaret A. Harris
Chief Financial Officer
Margaret Harris joined the Tri-City team in 2004, bringing with her more than 25 years of healthcare financial management experience. As Chief Financial Officer, Ms. Harris was instrumental in Tri-City’s emergence from bankruptcy and has been a key player in successfully contracting with The County of Los Angeles Department of Mental Health. She has also successfully implemented a system of timely and accurate financial reporting, which has been integral to organizational decision-making. Prior to her employment with Tri-City, Ms. Harris was responsible for the financial Shareholder and Securities Exchange reporting at American Medical International (AMI), now Tenet Health Care.
Antonette Navarro, LMFT
Director of Clinical Program Services
Antonette Navarro has been providing community-based mental health services to underserved and high-utilizing populations for greater than 20 years. In that time, Ms. Navarro has performed in a wide variety of capacities and settings, working directly (as a therapist), as well as indirectly (as a supervisor, program coordinator, program director, and clinical head of service) in outpatient clinics, residential sites (such as foster homes, group homes, and level 12-14 treatment centers), client homes, and schools. She is bicultural and bilingual (English/Spanish), and has extensive experience in program development and implementation, co-occurring disorders treatment, family systems, treating teens with self-injurious behavior, and clinical staff training.
Nancy Gill
Director of Operations
Privacy Officer
Nancy Gill has served as the Director of Operations for Tri-City Mental Health Center since 2003, having come to the agency with more than twenty years of experience in the mental health field. Her extensive professional background includes having worked in a variety of administrative management and consumer outreach capacities within both Los Angeles and Orange County, and in New Jersey State. Previously, Ms. Gill has served as a Case Manager, Enrollment Supervisor for the Los Angeles PARTNERS program, Hospital Outreach Coordinator, Contracts Administrator, and Administrative Director overseeing contracts and fiscal management for Pacific Clinic’s Orange County Division.
Elizabeth Owens, LMFT
Manager of Best Practices
Elizabeth Owens joined Tri-City Mental Health in 2008, bringing with her greater than nine years of experience in the Mental Health field. Her formidable resume includes an impressive array of positions held across a diverse spectrum of environments. As a case manager, Ms. Owens worked with underserved populations in the South Los Angeles area. She also provided direct services as a therapist at the Valley Trauma Center and in multiple capacities and settings in the Oxnard area, to include outpatient, school-based, in-home, and group therapy. Additionally, she has worked as a Program Manager directly supervising staff, and as a Quality Assurance Clinician. Ms. Owens specializes in Eye Movement Desensitization and Reprocessing (EMDR), a comprehensive methodology to psychotherapy that accelerates treatment to trauma victims, as well as a number of other pathologies. Ms. Owens received her Master of Science Degree in Counseling from the California State University, Northridge, and also holds an undergraduate degree in Business Management.
Rimmi Hundal
MHSA Manager
Ethnic Services Manager
Having joined the Tri-City team in 2008, Rimmi Hundal has worked extensively with international families and culturally diverse populations in the mental health field since 2000. She is a graduate of Cal Poly Pomona and received a Master’s Degree in Clinical Psychology from Pepperdine University. Prior to joining the team at Tri-City, Rimmi worked with underachieving youth at Aspen Education Group and as an Assessment Specialist at Aurora Charter Oak Hospital. She is well versed in community outreach and public relations, has a wealth of experience in integrated community service, mental health disparity, and cultural competence, and understands the value of consumer and family member involvement in program planning. As Tri-City’s Ethnic Services Manager, Rimmi is dedicated to the continued development of a staff mindful of generational and cultural difference.
