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Connect with our talented staff from the Ohio, Kentucky, and Indiana offices. Each contributes to our science - whether it be scientific, laboratory, information technology, administrative and/or advanced technology expertise. We are a combined center of more than 160 employees. You can also discover more about the USGS and our science through social media.


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Employee Directory

Job Title Name Email Phone
Scientist Emeritus Leslie D. Arihood 317-600-2729
Hydrologist (Geog) Nancy Baker 317-600-2785
Hydrologist Paul Baker 317-600-2781
Groundwater Specialist Randall Bayless 317-600-2747
Hydrologist Erin Bertke 614-430-7712
Hydrologist Justin Boldt 502-493-1931
Supervisory Hydrologist Amie M Brady 614-202-9114
Biologist Aubrey Bunch 317-600-2783
QMS Senior Scientist Rebecca Bushon 614-430-7783
Hydrologist Paul Buszka 317-600-2779
Physical Scientist Daniel Button 614-430-7737
Microbiologist Jessica Cicale 614-570-6255
Deputy Director Peter Cinotto 502-493-1930
Administrative Officer Tonja Clark 317-600-2723
Hydrologic Technician Maria Clemens
Biologist Alex Covert 614-430-7752
Hydrologist Angela Crain 502-493-1943
Physical Scientist Hunter Crates
Charles G Crawford, Ph.D. 317-350-0010
Hydrologist (Groundwater Specialist) Robert Darner 614-430-7756
Hydrologist Edward Dobrowolski 317-600-2735
Hydrologist Catherine Fargen 502-493-1945
Andre Ferguson 502-493-1910
Physical Scientist Dennis Finnegan 614-430-7731
Deputy Director Jeffrey Frey 317-600-2751
New Philadelphia Field Office Chief / Supervisory Hydrologist Steven Fuller 330-343-2343
Hydrologic Technician Andrew Gorman 317-600-2750
Data Chief / Supervisory Hydrologist Thomas Harris 614-430-7727
Physical Scientist Dayle Jordan Hoefling 502-791-3247
Hydrologist Carrie Huitger 614-430-7755
Hydrologic Technician Donnie Keeling 270-759-2460
Microbiologist Christopher Kephart 614-430-7780
Hydrologist Moon Kim 317-600-2787
Hydrologist Greg Koltun 614-430-7708
Biologist Stephanie Kula 614-430-7739
Supervisory Hydrologist David C Lampe 317-600-2742
Biologist Braden Lanier 571-386-7295
Hydrologist Timothy Lathrop 317-600-2782
Physical Scientist Nadine Lepore 502-469-8362
Hydrologic Technician Molly Lott 502-493-1923
Biologist Lauren Lynch 614-254-4064
Hydrologist Jeffrey Martin 317-600-2748
Hydrologist Gary R Martin 502-493-1914
Hydrologic Technician Madelyn Messner
Physical Science Technician Ben Michels 502-645-1154
Hydrologist Myles Moore, PhD
Hydrologist Shawn C Naylor
Hydrologist Shawn Naylor
Hydrologist Hieu Nguyen 317-600-2767
Hydrologist Chad Ostheimer 614-430-7750
Hydrologic Technician Ed Puckett 502-493-1926
Hydrologic Technician Zachary Razor 317-600-2743
Hydrologic Technician Abigale M Rose 614-506-9066
Supervisory Hydrologist A. Thomas Ruby 502-493-1933
Hydrologic Technician Ian Sampson
Microbiologist Max Schroeder 614-430-7729
Hydrologist Megan Shoda
Hydrologic Technician Ben Sperl 317-617-2056
Microbiologist Erin A Stelzer 614-516-1188
Amy Story 317-600-2722
Associate Director - Ohio WSC David Straub 614-430-7744
Physical Scientist Chad Toussant 614-430-7766
Hydrologic Technician Branden Vonins 614-430-7764
Physical Scientist and UAS Pilot J. Jeremy Webber 317-600-2755
Hydrologist Matthew T Whitehead 614-430-7749
Research Hydrologist Tanja N. Williamson, PhD 502-413-7699
Hydrologist John T. Wilson 317-600-2752
Supervisory Hydrologist Jeffrey Woods 317-600-2762
Physical Science Technician Logan Young 502-645-0791