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Faculty Directory

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Joseph Bentz , Ph.D.

Walter F. Bien, PhD

Title: Research Professor, Department of Biodiversity, Earth and Environmental Science; Director, Laboratory of Pinelands Research
Research Interests: Community ecology (New Jersey Pine Barrens); fire ecology; natural resource management; restoration ecology; conservation biology with special interest in rare plants and the spatial ecology of the Northern pine snake.
215.895.2266
PISB 315
Dr. Don Charles

Don F. Charles, PhD

Title: Professor, Department of Biodiversity, Earth & Environmental Science; Senior Scientist and Section Leader, Phycology Section, Academy of Natural Sciences of Drexel University
Research Interests: Applied freshwater ecology; use of diatoms as ecological indicators;  paleolimnology; water quality assessment, eutrophication, climate change
215.299.1090
Patrick Center, Academy of Natural Sciences
Ted Daeschler

Ted Daeschler, PhD

Title: Associate Professor, Department of Biodiversity, Earth & Environmental Science; Associate Curator of Vertebrate Zoology, Vice President for Systematic Biology and the Library, Academy of Natural Sciences of Drexel University 
Research Interests: Vertebrate paleontology, specifically vertebrate fauna of the Late Devonian Period in eastern North America
215.299.1133
The Academy of Natural Sciences
Daniel Duran

Daniel Duran

Title: Assistant Teaching Professor, Department of Biodiversity, Earth & Environmental Science
Research Interests: Phylogeography, speciation, molecular ecology, and conservation genetics of insects
215.895.6441
PISB 315
Jon Gelhaus, Ph.D.

Jon Gelhaus, PhD

Title: Professor, Department of Biodiversity, Earth & Environmental Science; Curator, Department of Entomology, Academy of Natural Sciences of Drexel University
Research Interests: Biodiversity, evolution and ecology of freshwater insects, particularly Diptera, in New World and Mongolia; Biodiversity of insects in New Jersey Pine Barrens
215.299.1141
Entomology, The Academy of Natural Sciences
Gail Hearn, Ph.D.

Gail Hearn, PhD

Title: Research Professor, Department of Biodiversity, Earth & Environmental Science; Director, Bioko Biodiversity Protection Program
Research Interests: African biodiversity conservation; African primate and sea turtle conservation
215.895.1476
PISB 320
Richard Horowitz

Richard Horwitz, PhD

Title: Professor, Department of Biodiversity, Earth & Environmental Science; Senior Scientist, Fisheries Section Leader, Ruth Patrick Chair of Environmental Sciences, Academy of Natural Sciences of Drexel University
Research Interests: Ecology of freshwater and estuarine fishes; watershed planning, management, and restoration; conservation of rare species; invasive species; phylogeography of freshwater fishes
215.299.1092
Patrick Center, Academy of Natural Sciences
Susan Kilham, PhD.

Susan Kilham, PhD

Title: Professor, Department of Biodiversity, Earth & Environmental Science
Research Interests: Climate change; aquatic ecology; physiological ecology of phytoplankton ; tropical stream food webs
215.895.2628
PISB 323
Danielle Kreeger PhD

Danielle Kreeger, PhD

Title: Research Associate Professor, Department of Biodiversity, Earth & Environmental Science
Research Interests: Physiological ecology, ecosystem services and restoration of suspension-feeding bivalves; ecology and restoration of coastal wetlands; climate change
215.895.1270
PISB 315
Kenneth Lacovara , Ph.D.

Kenneth Lacovara, PhD

Title: Associate Professor, Department of Biodiversity, Earth & Environmental Science
Research Interests: Mesozoic paleoecosystems (Egypt, Patagonia, China, Montana, New Jersey); Titanosaurian sauropod dinosaurs; preservation and analysis of ancient biomolecules; coastal processes and the evolution of coasts with sea-level change; 3D modeling and biomechanics of ancient archosaurus.
215.895.6456
PISB 322
Tatyana Livshultz

Tatyana Livshultz, PhD

Title: Assistant Professor, Department of Biodiversity, Earth & Environmental Science
Research Interests: Botany; phylogenetic reconstruction; pollination biology; morphological and functional evolution of flowers; climate niche evolution; biogeography; biodiversity
215.299.1051
The Academy of Natural Sciences
John Lundberg

John G. Lundberg, PhD

Title: Emeritus Professor, Department of Biodiversity, Earth & Environmental Science; Emeritus Curator, Academy of Natural Sciences of Drexel University
215.405.5069
Ichthyology; diversity and evolution of fishes
Richard McCourt

Richard McCourt, PhD

Title: Professor, Department of Biodiversity, Earth & Environmental Science;
Associate Curator of Botany, Academy of Natural Sciences of Drexel University
Research Interests: Biodiversity; evolution; ecology; and, specifically charophyte and conjugating green algae.
215.299.1139
Jerry Mead

Jerry V. Mead, PhD

Title: Assistant Research Professor, Department of Biodiversity, Earth & Environmental Science; Assistant Scientist and Section leader, Watershed and Systems Ecology Section, Academy of Natural Sciences of Drexel University
Research Interests: Development, disruption, dynamics of ecosystems, biophysical economics; stream ecology; watershed science; bioenergetics; stream morphology; spatial analyses
215.405.5091
Patrick Center, Academy of Natural Sciences
Michael O'Connor PhD

Michael O'Connor, PhD, MD

Title: Associate Professor, Department of Biodiversity, Earth & Environmental Science
Research Interests: Thermal, hydric, & energetic effects on the activity and distribution of reptiles and amphibians; physiological and physical constraints on gas exchange in sea turtle nests - effects on metabolism and development
215.895.2637
PISB 318
Dr. Sean O'Donnell

Sean O'Donnell, PhD

Title: Associate Department Head; Professor, Department of Biodiversity, Earth & Environmental Science
Research Interests: Animal behavior, neuroethology and brain evolution, social insects, tropical ecology
215.571.4177
PISB 321
Daniel Otte, Ph.D.

Daniel Otte, PhD

Title: Professor, Department of Biodiversity, Earth & Environmental Science; Senior Curator, Academy of Natural Sciences of Drexel University
Research Interests: Taxonomy and biogeography of Orthoptera, particularly grasshoppers and crickets; origin of species
215.299.1188
Entomology, Academy of Natural Sciences
Marina Potapova

Marina Potapova, PhD

Title: Assistant Professor, Department of Biodiversity, Earth & Environmental Science; Assistant Curator, Academy of Natural Sciences of Drexel University
Research Interests: Taxonomy, ecology, and biogeography of freshwater diatoms
215.405.5068
Diatom Herbarium, Academy of Natural Sciences
Dr. Tracy Quirk

Tracy Quirk, PhD

Title: Assistant Professor, Department of Biodiversity, Earth & Environmental Science; Assistant Scientist, Wetland Ecology, Academy of Natural Sciences of Drexel University
Research Interests: Wetland plant ecology, nutrient and carbon cycling, and accretion dynamics
215.299.1109
Patrick Center, Academy of Natural Sciences
Ling Ren

Ling Ren, PhD

Title: Research Scientist, Academy of Natural Sciences of Drexel University
Research Interests: Phytoplankton ecology, coastal eutrophication, mesocosms and ecosystem modeling;  diatom identification and use in water quality assessment
215.299.1081
Patrick Center, Academy of Natural Sciences
Barbara Rinkel

Barbara Rinkel, PhD

Title: Research Scientist, Academy of Natural Sciences of Drexel University
Research Interests: Soft-bodied algal ecology, distribution and use as water quality indicators; marine green algae, in particular endophytic species
215.299.3789
Patrick Center, Academy of Natural Sciences
Gary Rosenberg

Gary Rosenberg, PhD

Title: Professor, Department of Biodiversity, Earth & Environmental Science; Pilsbry Chair of Malacology, Academy of Natural Sciences of Drexel University
Research Interests: Magnitude and origin of species-level diversity in the Mollusca
215.299.1033
Malacology, Academy of Natural Sciences
Jacob A. Russell , Ph.D

Jacob Russell, PhD

Title: Assistant Professor, Department of Biodiversity, Earth & Environmental Science
Research Interests: Molecular ecology; functional significance and evolutionary histories of symbioses between animals and bacteria
215.895.1643
PISB 325
Ron Smith

Ron Smith

Title: Instructor, Department of Biodiversity, Earth and Environmental Science Director, DESLA Summer Program
Research Interests: Shorebird Ecology and Conservation; Amphibians of the NJ Pine Barrens; Restoration Ecology; Climate Change – Regional Effects and Education
James R. Spotila , Ph.D.

James Spotila, PhD

Title: L. Drew Betz Chair Professor, Department of Biodiversity, Earth & Environmental Science
Research Interests: Physiological and biophysical ecology; conservation biology; biology of sea turtles, crocodiles, salamanders and giant pandas
215.895.2627
PISB 324
David Velinsky

David Velinsky, PhD

Title: Department Head; Professor, Department of Biodiversity, Earth & Environmental Science; VP for Environmental Research; Director and Senior Scientist, Patrick Center for Environmental Research; Section Leader, Biogeochemistry, Academy of Natural Sciences of Drexel University  
Research Interests: Fate and transport of chemical contaminants, Stable isotope and nutrient biogeochemistry; sediment geochemistry and deposition, water quality
215.299.1147
Patrick Center, Academy of Natural Sciences
Jason Weckstein, PhD

Jason D. Weckstein, PhD

Title: Associate Professor, Department of Biodiversity, Earth & Environmental Science; Associate Curator of Ornithology, Academy of Natural Sciences of Drexel University
215.299.1023
Ornithology Department, Academy of Natural Sciences