Other Locations
Legislative District	Stats
Senate: 26, 27 House: 34, 48, 49, 50, 51  Congressional: 5, 8, 9	2000 Population: 436,141 County(ies): Genesee
Emergency Contacts
1. Robert Pestronk, MPH	810-694-4114 (H)
2. Gary K. Johnson, MD, MPH, FAAP	810-694-7520 (H)
3. Mark Valacak, MPH	810-629-8546 (H)

Key Staff
Robert Pestronk, MPH
Health Officer
Phone: 810-257-3588
rpestronk@gchd.us

Gary Johnson, MD, MPH, FAAP
Medical Director
Phone: 810-257-3155
gjohnson@gchd.us

Jim Helmstetter, MPA
Dir, Environmental Health Services
Phone: 810-341-7653
Fax: 810-257-3125
jhelmstetter@gchd.us

Mark Valacak, MPH
Dir, Community Health Services
Phone: 810-257-3615
mvalacak@gchd.us

John McKellar, MPA
Dir, Personal Health Services
Phone: 810-257-3141
jmckellar@gchd.us

Carolyn Ratza, BBA
Health Accts. Supervisor
Phone: 810-257-3156
cratza@gchd.us

Frank Ricica, BS, MPA
MIS
Phone: 810-257-2611
fricica@gchd.us

Richard Hammel
Chair, Board of Commissioners
Phone: 810-257-3020