Portrait	Name	Post	Took office	Left office	Division	Ref(s)
-	Douglass Houghton	State Geologist	1837	1845 (death)	First Geological Survey	-
Office suspended (1845–1859)	-	-	-	-	-	-
-	Alexander Winchell	State Geologist	March 9, 1859	1862	Second Geological Survey	-
Office suspended (1862–1869)	-	-	-	-	-	-
-	Alexander Winchell	State Geologist	April 24, 1869	April 17, 1871	Third Geological Survey Michigan Geological and Biological Survey	-
-	Carl Rominger	State Geologist	1871	1885	Third Geological Survey Michigan Geological and Biological Survey	-
-	Charles E. Wright	State Geologist	1885	1888 (death)	Third Geological Survey Michigan Geological and Biological Survey	-
-	Marshman E. Wadsworth	State Geologist	1888	1893	Third Geological Survey Michigan Geological and Biological Survey	-
-	Lucius L. Hubbard	State Geologist	July 3, 1893	1899	Third Geological Survey Michigan Geological and Biological Survey	-
-	Alfred Church Lane	State Geologist	1899	1909	Third Geological Survey Michigan Geological and Biological Survey	-
-	Roland C. Allen	State Geologist	1909	1919	Third Geological Survey Michigan Geological and Biological Survey	-
-	Richard A. Smith	State Geologist	1919	1920	Third Geological Survey Michigan Geological and Biological Survey	-
-	Richard A. Smith	Division Chief and State Geologist	1920	1946	Third Geological Survey Geological Survey Division, Department of Conservation	-
-	Gerald E. Eddy	Division Chief and State Geologist	1946	1951	Third Geological Survey Geological Survey Division, Department of Conservation	-
-	Franklin G. Pardee	Division Chief and State Geologist	1951	1952	Third Geological Survey Geological Survey Division, Department of Conservation	-
-	William L. Daoust	Acting State Geologist	1952	1954	Third Geological Survey Geological Survey Division, Department of Conservation	-
-	William L. Daoust	Division Chief and State Geologist	1954	1964	Third Geological Survey Geological Survey Division, Department of Conservation	-
-	Gerald E. Eddy	State Geologist	1964	1971	Third Geological Survey Geological Survey Division, Department of Natural Resources	-
-	Arthur E. Slaughter	State Geologist	1971	1976	Third Geological Survey Geological Survey Division, Department of Natural Resources	-
-	Arthur E. Slaughter	State Geologist	1976	1977	Third Geological Survey Division of Geology, Department of Natural Resources	-
-	Arthur E. Slaughter	State Geologist	1977	1981	Third Geological Survey Geological Survey Division, Department of Natural Resources	-
-	R. Thomas Segall	State Geologist	1981	1996	Third Geological Survey Geological Survey Division, Department of Natural Resources	-
-	Harold R. Fitch	State Geologist	1996	2002	Third Geological Survey Geological Survey Division, Department of Environmental Quality	-
-	Harold R. Fitch	State Geologist	2002	2004	Third Geological Survey Geological and Land Management Division, Department of Environmental Quality	-
-	Harold R. Fitch	State Geologist	2004	2011	Third Geological Survey Office of Geological Survey, Department of Environmental Quality	-
-	Alan E. Kehew	Director	2011	2013	Third Geological Survey WMU Department of Geosciences	-
-	John A. Yellich	Director	2013	—	Third Geological Survey WMU Department of Geosciences	-