Command Staff

Sheriff Timothy K. Cameron Picture

Sheriff Timothy K. Cameron
Office Phone: 301-475-4200 x 71910
Cell Phone: 240-298-2027
tim.cameron@stmarysmd.com

Captain David M. Yingling Picture

Captain David M. Yingling
Interim Assistant Sheriff
Office Phone: 301-475-4200 x 78025
Cell Phone: 240-298-5010
david.yingling@stmarysmd.com

Captain Edward A. Willenborg Picture

Captain Edward A. Willenborg
Commander, Criminal Investigations Division
Office Phone: 301-475 - 4200 x 71998
Cell Phone: 240-298-6409
edward.willenborg@stmarysmd.com

Captain Steven A. Hall Picture

Captain Steven A. Hall
Commander, Special Operations Division
Office Phone: 301-475-4200 x 71967
Cell Phone: 301-481-7354
steven.hall@stmarysmd.com

Marvin C. Butler Picture

Marvin C. Butler
Chief of Staff
Office Phone: 301-475-4200 x 71928
Cell Phone: 240-299-1107
marvin.butler@stmarysmd.com

Mary Ann Thompson Picture

Mary Ann Thompson
Warden
Office Phone: 301-475-4200 x 72276
Cell Phone: 301-577-4556
maryann.thompson@stmarysmd.com

Captain Stephen E. Simonds Picture

Captain Stephen E. Simonds
Commander, Patrol Division
Office Phone: 301-475-4200 x 78067
Cell Phone: 240-561-4168
stephen.simonds@stmarysmd.com