Faculty and Staff

Faculty

Ian Castro
Instructor of Geology
Ph.D. University of Cincinnati
castroi@apsu.edu
(931) 221-6318

Areas of expertise: Geoscience education, paleontology, intersectionality of race and disability
Kallina Dunkle
Professor of Geology
Ph.D. University of Wisconsin-Madison
dunklek@apsu.edu
(931) 221-7451

Areas of expertise: Hydrogeology, Environmental Geology, Glacial Geology
Daniel L. Frederick
Professor of Geology and
Department Chair
Ph.D. University of Tennessee
frederickd@apsu.edu
(931) 221-7455

Areas of expertise: Paleontology, Sedimentation/Stratigraphy
Christopher Gentry
Associate Dean of CoSTEM
Professor of Geography
Ph.D. Indiana State University
gentryc@apsu.edu
(931) 221-7478
B.E.T.R. Lab

Areas of expertise: Biogeography, Dendroecology, GIS, Remote Sensing
Madeline Giefer
Assistant Professor of Geography
Ph.D. University of North Carolina
gieferm@apsu.edu
(931) 221-7473

Areas of expertise: Land Change Science, Land Use Policy, Rural Geography, GIS
Christine Mathenge
Professor of Geography
Ph.D. Indiana University
mathengec@apsu.edu
(931) 221-6434

Areas of expertise: Regional Geography, Environmental Geography, Landscape Studies
Gregory S. Ridenour
Professor of Geography
Ph.D. Texas A&M University
ridenourg@apsu.edu
(931) 221-7942

Areas of expertise: Climatology, Oceanography, Geography of Asia, Research: Hydraulic Geometry
Amanda Stadermann
Assistant Professor of Geology
Ph.D. University of Arizona
stadermanna@apsu.edu
(931) 221-6180

Areas of expertise: Lunar Petrology, Geochemistry, and Mineralogy

Staff

Thomas Scaife
Laboratory Manager
M.S. East Tennessee State University
scaifet@apsu.edu
(931) 221-7021

Area of expertise: Paleontology
Jessica Langston
Academic Assistant to the Chair
M.S., Murray State University
langstonj@apsu.edu
(931) 221-7454

Area of expertise: Youth and
Non-Profit Leadership

Adjunct Faculty

Kurtis Eisenhuth
M.S. University of Southern California
eisenhuthk@apsu.edu

Area of expertise: Spatial Analysis
Kathrine Killebrew
M.S. Lipscomb University
killebrewk@apsu.edu

Area of expertise: Geography and Sustainable Practices
Matt McKelvey
M.S. University of Nevada, Las Vegas
McKelveym@apsu.edu

Area of expertise: Geology
Mike Wilson
Director, APSU GIS Center
Ph.D. University of Tennessee Space Institute
wilsonm@apsu.edu

Area of expertise: Spatial Analysis

Emeritus Faculty

Phyllis A. Camilleri
Professor of Geology
P.G., Ph.D. University of Wyoming
camillerip@apsu.edu

Areas of expertise: Structural Geology, Tectonics
Jack Deibert
Professor of Geology
P.G., Ph.D. University of Wyoming
deibertj@apsu.edu

Areas of expertise: Sedimentology, Stratigraphy
Philip R. Kemmerly
Professor of Geology
Ed.D., P.G., Oklahoma State University
kemmerlyp@apsu.edu

Areas of expertise: Hydrogeology, Environmental Geology, Geomorphology
Byron J. Webb
Professor of Geography
M.S. University of Memphis Associate

Area of expertise: Geography

In Memoriam

Dr. D.M.S. Bhatia [1939-2023]
Professor of Geology
Ph.D. University of Missouri-Rolla

Area of expertise: Economic Geology
Dr. Robert A. Sirk [1956-2019]
Professor of Geography

Dr. Robert Sirk was Professor Geography in the Department of Geosciences (now Earth and Environmental Sciences) for 24 years from 1995 until his passing in 2019. During his tenure at APSU he served as Chair of the Department of Geosciences from 2009 - 2013 and taught classes related to environmental management, natural hazards, climatology, and meteorology, as well as introductory geography courses.
Dr. Kenton Wibking [1926-2018]
Professor of Geography, Emeritus

Dr. Wibking taught geography for 30 years at Austin Peay State University, much of that time as head of the department. He was a great believer in public education and in particular his own geography
Dr. James Xavier Corgan [1930-2012]
Professor of Geology, Emeritus

Dr. Corgan was a professor at APSU from 1968 to his retirement in 1991. During his career at APSU he founded the Department of Geology and served as the Chair of the department for many years. As a scholar he published over 300 papers and in 1982 received the Richard M. Hawkins Award for his noteworthy contributions to scholarship during his tenure at APSU.