Faculty

Full-Time Faculty


John Lendvay

Department Chair
(415) 422-5730

John M. (Jack) Lendvay received his MSE and Ph.D. in Environmental Engineering from the University of Michigan and is a licensed Civil Engineer with the State of California. His undergraduate studies were completed at Hiram College where he learned the value of a liberal arts education and received his BA in Chemistry. Dr. Lendvay's research interests focus primarily on the relationships between land use and water quality in coastal streams. He is currently working with colleagues and...

Education:

PhD, University of Michigan

Tracy Benning

Associate Professor
(415) 422-5445

Professor Benning received her PhD from the University of Colorado, Boulder in Environmental, Population and Organismic Biology. Her research interests include landscape ecology, urban ecology and resource conservation and management. Her most recent research focuses on remote sensing and GIS technologies in the study of tropical rainforest dynamics in Hawaii and riparian corridors in southern African savannas.

Education:

PhD, University of Colorado

John Callaway

Professor
(415) 422-5702

John Callaway received his PhD in Oceanography and Coastal Sciences from Louisiana State University in 1994. Prior to his position at USF, John was the Associate Director of the Pacific Estuarine Research Laboratory (PERL) at San Diego State University. At USF, Professor teaches undergraduate and graduate courses in introductory environmental science, applied ecology, wetlands, and restoration ecology. His research expertise is in wetland restoration, specifically wetland plant ecology and...

Education:

PhD, Louisiana State University, 1994

Expertise:

Wetland restoration, Wetland plant ecology and sediment dynamics

Gretchen Coffman

Associate Professor
(415) 422-4712

Dr. Coffman is a restoration ecologist and Associate Professor at the University of San Francisco (USF) who has worked on wetland and riparian restoration projects throughout the U.S. and internationally for more than 28 years. Since 1991, she has conducted jurisdictional wetland delineations throughout California, the east coast, the southeast, Midwest, and Puerto Rico. In addition, she has applied ecological experience in vegetation and invasive plant species mapping, watershed assessment...

Education:

PhD, Environmental Health Sciences, UCLA, , MA, Ecology and Systematic Biology, SFSU, BA, Biology, Colgate University

Deneb Karentz

Professor
(415) 422-2831

Dr. Karentz's research focuses on the ultraviolet photobiology of marine organisms: identifying strategies for protection from UV exposure and understanding mechanisms for repair of UV–induced damage. Her work has focused on investigating the ecological implications of Antarctic ozone depletion.

Education:

PhD, University of Rhode Island, MS, Oregon State University

William Karney

Professor
(415) 422-5842

William Karney received his PhD in Organic Chemistry from the University of California, Los Angeles, in 1994. Prior to his position at USF he did postdoctoral work at the University of Washington and the University of California, Berkeley. At USF, William teaches organic chemistry and environmental chemistry. His research, performed in collaboration with Professor Claire Castro (chemistry), involves the use of computational chemistry to understand the structures, energetics, and properties of...

Education:

PhD, University of California, Los Angeles

Amalia Kokkinaki

Assistant Professor
(415) 422-4117

An assistant professor in the Department of Environmental Science since 2016, Dr. Amalia Kokkinaki holds a PhD degree from the University of Toronto in Canada and joined USF after completing her postdoctoral research at Stanford University. She is an environmental engineer with expertise in groundwater flow, fate and transport of contaminants, and biological treatment of organic pollutants. Her research is in the nexus of mathematical and statistical modeling of the physical, chemical and...

Education:

PhD, University of Toronto, Civil & Environmental Engineering, 2013, MA Sc, University of Toronto, Civil & Environmental Engineering, 2007, BS & MSc, Technical University of Crete, Environmental Engineering, 2005

Expertise:

Groundwater Modeling, Mathematical and Statistical Modeling, Computer Programming

Allison Luengen

Associate Professor
(415) 422-4332

Allison Luengen received her MS in Marine Sciences from the University of California, Santa Cruz (UCSC). She then completed her PhD in Environmental Toxicology, also at UCSC. Following her PhD, she moved to the East Coast for postdoctoral research with Dr. Nicholas Fisher in the School of Marine and Atmospheric Sciences at Stony Brook University. As a postdoc, Professor Luengen worked with radioisotopes to look at how methylmercury bioavailability to phytoplankton was affected by dissolved...

Education:

PhD, Environmental Toxicology, University of California, Santa Cruz, MS, Marine Sciences, University of California, Santa Cruz

Thomas MacDonald

Associate Professor
(415) 422-5895

Tom MacDonald received his PhD from Stanford University. Professor MacDonald's research focuses on designing computer simulations of problems of pollution migration and using the results to engineer systems to contain pollutants and prevent further spreading. He has also published his research on the neural network application for bioremediation. Recently he has co-authored papers dealing with environmental risk and the precautionary principle.

Education:

PhD, Stanford University

AJ Purdy

Assistant Professor

Education:

PhD, Earth System Science, UC Irvine, MS, Watershed Science and Policy, CSU Monterey Bay, BS, Industrial and Systems Engineering, University of San Diego

April Randle

Assistant Professor
(415) 422-6619

April M. Randle’s research is broadly focused on how ecological factors shape the behavioral and morphological traits of species and influence species' distributions and interactions. She has conducted research on a range of taxa including: tropical trees (forest restoration), primates (foraging behavior), temperate flora (plant ecology, mating system evolution, plant-pollinator interactions), marine mammals (population size estimation of large cetaceans), tropical freshwater fish (adaptations...

David Saah

Associate Professor and Director of Geospatial Analysis Lab
(415) 422-4316

Dr. Saah has been broadly trained as an environmental scientist with expertise in a number of areas including: landscape ecology, ecosystem ecology, hydrology, geomorphology, ecosystem modeling, natural hazard modeling, remote sensing, geographic information systems (GIS) and geospatial analysis. He has used these skills to conduct research primarily at the landscape level in a variety of systems. Dr. Saah has participated in research projects throughout the United States and Internationally....

Expertise:

Ecosystem ecology, Landscape ecology, Hydrology, Geomorphology, Ecosystem modeling, Natural hazard modeling, Remote sensing, Geographic information systems (GIS) , Geospatial analysis

Calla Schmidt

Associate Professor
(415) 422-4460

Calla Schmidt received a PhD in Earth Science from the University of California, Santa Cruz. Her research spans physical hydrology and biogeochemistry and aims to understand the connection between hydrology and the biogeochemical cycling of nutrients. She has done research on nutrient cycling during groundwater recharge, nitrogen pollution in highway runoff and presently she is working on a project investigating the transfer of nutrients discharged by wastewater treatment plants into the base...

Education:

PhD, Earth Science, University of California, Santa Cruz

Stephanie Siehr

Professor
(415) 422-5986

Professor Siehr works on energy–based solutions to multiple environmental problems–from local air pollution to global climate change–combining engineering with tools from political economy and organizational analysis. With a geographical focus on China, Japan, and the US, her research and teaching examine energy and carbon saving strategies; emissions inventories; city climate action; environmental and energy policy analysis; urban sustainability, international cooperation; and environmental...

Education:

PhD, MS, Environmental Engineering and Policy, Stanford University SB, Chemical Engineering, MIT

Elizabeth Sun

Assistant Professor
(415) 422-2547

Elizabeth (Luqin) Sun received her PhD in Environmental Science from the University of Massachusetts Boston. Professor Sun has a unique background that mixes environmental science, environmental engineering and environmental economics. She has worked extensively in climate change, sea level rise, model building, geographic information systems (GIS), spatial analysis, remote sensing, LiDAR, data analysis, treatment of eutrophic-lake water, and wastewater treatment.

Education:

PhD, University of Massachusetts Boston

Expertise:

Climate change, Environmental economics, Sea level rise and coastal flooding, Treatment of eutrophic-lake water

Maggie Winslow

Associate Professor
(415) 422-5987

Professor Maggie Winslow is the Director of the Master of Science in Energy Systems Management. She received her PhD from the Energy and Resources Group at the University of California at Berkeley and Master of Science from the School of Natural Resources at the University of Michigan. She spent nine years at Presidio Graduate School in San Francisco, a sustainability focused MBA and MPA program, teaching managerial economics and macroeconomics and serving as MBA program chair and academic dean...

Education:

PhD, Energy and Resources, University of California, Berkeley, MS, Natural Resources, University of Michigan, BA, Political Science, Williams College

Expertise:

Ecological Economics , Energy Management, Democracy and Environmental Quality, Valuing Ecosystem Services

Part-Time Faculty