Chief Bryan Sylvester 

 Chief Sylvester web
Chief Sylvester entered Texas law enforcement in October 1992 after serving as a Lieutenant in the U.S Army from 1989 to 1992 where he commanded a Military Police platoon deploying to Iraq and Kuwait during Operation Desert Storm. Upon leaving the army he served for over 22 years with the Richardson Police Department. While in Richardson, Chief Sylvester served in virtually every unit while promoting thru the ranks to Assistant Chief. He served as Asst. Chief from 2009 thru 2015 when he accepted the position of Chief of Police for the city of Sachse in August 2015.

Chief Sylvester holds a Bachelor’s degree from Southwest Texas State University, a Master Peace Officer License, is a graduate of the Law Enforcement Management Institute of Texas, the Institute of Law Enforcement Administration Command Management College and the 235th class of the FBI National Academy.

Chief Sylvester serves on the Executive Board of the North Texas Chiefs Association and serves on the Advisory Council of the Caruth Police Institute.

Assistant Chief Steven Baxter

Asst. Chief Baxter

Assistant Chief Steven Baxter began his career with the Richardson Police Department as a police officer in July 1994. Throughout the 23 years of service to the City of Richardson community Steven Baxter worked in several areas of the department. Steven ended his career as the as the Captain over the Investigative Operations Bureau, which includes command over the investigative process, case filings and records management. Previous assignments include; Major Crimes Lieutenant and Property Crimes Lieutenant in Investigations, Lieutenant in Patrol Operations Division, Sergeant over Crimes Against Persons / Forgery & Fraud Unit, Patrol Sergeant, Detective and Patrol Officer. In addition, Steven served as a member of the Special Weapons and Tactics Unit from 2003 to 2016 serving as the SWAT Commander from 2009 to 2016.

Steven holds a Bachelor of Business Administration from Baylor University, a Graduate Certificate in Local Government Management from The University of Texas at Dallas, is a graduate of the Institute for Law Enforcement Administration (ILEA) School of Police Supervision and ILEA Management College as well as the Caruth Police Institute’s Executive Leadership Series. He is married with two children and in his spare time runs marathons raising awareness and support for the Leukemia/Lymphoma Society. 

Lieutenant Martin Cassidy

Cassidy 02-19 web
Lieutenant Cassidy, an Air Force Veteran, began his law enforcement career with the Balch Springs Police Department in 1992. In his 10+ years with the Balch Springs PD, he served in many roles, Field Training Officer, Crash Investigator, SWAT Team member, Motorcycle Officer and Patrol Sergeant just to name a few.

In January 2003 Lieutenant Cassidy left the Balch Springs PD and became a member of the Sachse Police Department. Within 6 months he promoted to the rank of Sergeant and supervised a patrol shift for several years before moving into a position as the Criminal Investigations Division Supervisor. After promoting to Lieutenant in May of 2006 he became the Commander of the Support Services area, encompassing Records, Dispatch and Criminal Investigations. After a realignment of the Police Department in 2016, Lieutenant Cassidy is now the Operations Commander, overseeing the Patrol and School Resource Officers. From August 2007 to December 2007 Lieutenant Cassidy served as the Interim Chief of Police for Sachse while the City searched for a new Chief, after the retirement of the previous Chief.

Lieutenant Cassidy was named as the Police Departments employee of the year in 2005, 2007, 2009 and 2010.

In his spare time, Lieutenant Cassidy has coached youth travel hockey since 2007. Coaching at the travel level for the Dallas Stars Selects, the Texas Aces, the Allen Americans and the Texas Warriors Youth Hockey Clubs.