Police officer and horse, group of officers and 4x4 Police vehicle

Command Staff

Captain Al Elzey Jr.

Captain Al Elzey Jr. Acting Police Chief  After a 28-year career with the San Mateo County Sheriff’s Office, Captain Elzey joined the East Bay Regional Park District Police Department as a Police Captain in July 2022 and is assigned to the Support Services Division managing the Professional Standards Unit, Recruitment and Training Unit, budget, and fleet maintenance. He also oversees the Communications Center, Records Unit, and Property and Evidence Unit.    

Captain Elzey earned a Bachelor of Science degree in Criminal Justice Management from Union Institute and University and is a graduate of San Mateo County’s Inner Perspective and Public Sector Leadership programs, the Los Angeles Sheriff’s Department’s Sherman Block Leadership Institute, and the Los Angeles Police Department’s West Point Leadership program. During his time at the Sheriff’s office, he has held positions of Commander of two correctional facilities, Commander of the Criminal Investigations Bureau, SWAT Captain, and Commander of the Professional Standards Bureau. 

Captain Elzey is heavily involved with the local youth community. He currently volunteers his time as the President and Head Coach of the Bayside Broncos Youth Football organization, a non-profit dedicated to teaching the fundamentals of football to our youth, while focusing on the importance of academics.   

Lieutenant David Phulps

Lieutenant David Phulps began his law enforcement career with the East Bay Regional Park District Police Department in 1999. Promoted to Lieutenant in 2017, he now serves as the Support Services lieutenant, where he oversees the Recruitment and Training, Budget, Fleet Maintenance, building, and other projects.  He is also the Information Services Liaison.

Lieutenant Phulps served four years in the Marine Corps, assigned to aviation units in Arizona and Japan. He graduated Cum Laude from Southern Illinois University with a BS in Management.

During his tenure with the Department, he’s been a Crime Scene Investigator, Field Training Officer, member of the Alameda County Sexual Assault Felony Enforcement Task Force, SWAT Team Leader, Detective, and Patrol Sergeant, and he has supervised the Professional Standards Unit.

He is a husband and father to two boys. 

Giorgio Chevez

Lieutenant Giorgio Chevez began his law enforcement career with the East Bay Regional Park District Police Department in 2008. Promoted to the rank of Lieutenant in 2021, he oversees half of the Patrol Operations Division, the Special Enforcement Unit, and the Air Support Unit.

Lieutenant Giorgio graduated from San Francisco State University, with a bachelor’s degree in Criminal Justice. He is also a graduate of the 142nd Alameda County Sheriff’s Office Police Academy.

He served in many roles throughout his career, including the Police Association President, Field Training Officer, Investigator for a Regional Narcotics Task Force, Sergeant in the Operations Division, and Investigations Unit Sergeant.

Lieutenant Chevez resides in Contra Costa County with his family.

Joe Cotcher

Lieutenant Terrence Joseph Cotcher began his law enforcement career with the East Bay Regional Park District Police Department in 2006 as a police recruit. In July of 2018, he was promoted to Lieutenant and is currently assigned to the Operations Division.  He oversees half of the Patrol Operations Division, the Investigations Unit, and the EBMUD/JPA (Joint Powers Agreement).

Lieutenant Cotcher graduated from the University of California, Davis, with a bachelor’s degree in History and a minor in Political Science. He then became a public school teacher.

In 2007 he became a Police officer, working in patrol and the Special Enforcement Unit and later utilizing his teaching skills as a firearms instructor. In 2015, he was promoted to Sergeant and worked in the Personnel & Training Unit in charge of all department training and hiring of employees.

Lieutenant Cotcher resides in Brentwood with his family and is an avid user of the Park District.

Patty Gershaneck

Communications, Records, and Property Manager Patty Gershaneck began her career with the East Bay Regional Park District as a Public Safety Communications Dispatcher in 2003. Patty was promoted to her current position where she manages the Communications Center, Records, and Property/Evidence Units. She also works with Park Operations maintaining the District’s radio and cell phone infrastructure and security systems.  She is the Special District Representative for the Technical Advisory Committee of the East Bay Regional Communications System Authority (EBRCSA). 

During her tenure in the Communications Center Patty has served as a Community Service Officer, Crime Scene Technician, Records Supervisor, Dispatch Supervisor, and Communications Training Officer.


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