Directory Heather Petcovic Chair (269) 387-5487 Send an email Cristine Thomas Program Manager (269) 387-5486 Send an email Dane C. Alexander Part-Time Instructor (269) 668-2259 Send an email David Barnes Professor Emeritus (269) 387-5493 (269) 387-MGRRE (8617) Send an email Dan Cassidy Associate Professor, Contaminant remediation (269) 387-5324 Send an email Ronald B. Chase Professor Emeritus Mine Dogan Assistant Professor, Environmental geophysics (269) 387-5337 Send an email Robb Gillespie Senior Research Associate and Dinosaur Park Manager (269) 387-5364 Send an email Johnson Haas Associate Professor, Geochemistry and planetary science (269) 387-2878 Send an email Duane Hampton Professor Emeritus, Physical hydrogeology (269) 387-5496 Send an email Linda K. Harrison MGRRE Administrator (269) 387-8642 Send an email William Harrison Director of MGRRE, Professor Emeritus, Michigan basin geology (269) 387-8691 Send an email Tom Howe Geosciences Specialist, Sr. Co-director of the Hydrogeology Field Course (269) 387-5492 Send an email Stephen E. Kaczmarek Associate Professor, Sedimentary Petrology (269) 387-5479 Send an email Carla Koretsky Dean of the College of Arts and Sciences Professor (269) 387-4372 Send an email R.V. Krishnamurthy Professor, Isotope geochemistry (269) 387-5501 Send an email Matt Reeves Presidential Innovation Professor and Professor, Hydrogeology Director of the Hydrogeology Field Course (269) 387-5493 Send an email Bill Sauck Professor Emeritus (269) 387-4991 Send an email Christopher J. Schmidt Professor Emeritus W. Thomas Straw Professor Emeritus Mohamed Sultan Professor, Remote sensing (269) 387-5451 Send an email Jennifer Trout Staff Geologist (269) 387-8633 Send an email Peter Voice Graduate Program Director, Faculty Specialist, Sedimentology stratigraphy, and Director of Outreach (269) 387-5488 (269) 387-8696 (MGRRE) Send an email David Zakharov Assistant Professor, Petrology and Geochemistry