Faculty

Program Manager:

Sindy Vela

Full-Time Faculty


John Callaway

Program Director
(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

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

Deneb Karentz

Professor
(415) 422-2831

Professor Karentz is a marine biologist with expertise in plankton ecology and ultraviolet photobiology. Her work has focused on investigating the ecological implications of Antarctic ozone depletion, specifically identifying strategies for protection from UV exposure and understanding mechanisms for repair of UV–induced damage. She has over 30 years of field experience in Antarctica. In addition to research, Deneb mentors early-career scientists through the US National Science Foundation (NSF...

Education:

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

William Karney

Professor
(415) 422-5842

William Karney received his BA from Haverford College and his PhD in organic chemistry from the University of California, Los Angeles. 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, involves the use of computational chemistry to understand the structures, energetics, and...

Education:

University of California, Los Angeles, PhD in Chemistry, 1994, Haverford College, BA in Chemistry, 1986

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:

University of Toronto, PhD, Civil and Environmental Engineering, 2013, University of Toronto, MASc, Civil and Environmental Engineering, 2007, Technical University of Crete, BS and MS, Environmental Engineering, 2005

Expertise:

Groundwater flow and transport, Contaminant hydrogeology, Environmental chemistry and microbiology, Statistical modeling and data assimilation, Bayesian inverse modeling

John Lendvay

Associate Professor
(415) 422-5730

John M. (Jack) Lendvay received his MSE and PhD 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

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
(415) 422-6553

Dr. Purdy’s research leverages satellite observations, models, and geospatial analysis to study hydrology, water resources, ecosystems, and the environment from farm fields and watersheds to global scales. Before arriving at USF, Dr. Purdy was a postdoctoral scholar at NASA's Jet Propulsion Laboratory. His roles included supporting the validation state-of-the art satellite observations with on-ground observations, developing open-source software to ease the use of NASA data to support water...

Education:

UC Irvine, PhD in Earth System Science 2018, CSU Monterey Bay, MS in Watershed Science and Policy 2012, University of San Diego, BS/BA in Industrial and Systems Engineering 2008

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...

Education:

B.S. The Evergreen State College, 1994, MSc. University of Florida, 2001, PhD. University of Pittsburgh, 2009

Diane Roberts

Professor
(415) 422-6380

Diane Roberts, Professor of Accounting, is motivated by a deep concern for unethical financial reporting and non-transparent corporate accounting, considering the potential for catastrophic effects on the environment, community trust, and the global economy. Having long been interested in environmental issues and professional accounting, Roberts engages her students in discussions that address both honorable and unlawful corporate practices, as well as historical cases that will naturally...

Education:

PhD, Accounting from the University of California, Irvine, MS, Accounting from California State University, Sacramento, BA, Economics, University of California, Davis

David Saah

Professor & 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

Tanu Sankalia

Professor
(415) 422-5790

Tanu Sankalia is a tenured full professor in the Department of Art + Architecture, and coordinates the Urban Studies Concentration within the Environmental Studies Program. He teaches courses in urban planning and design, architectural and urban history, and architectural design. He was trained in urban design at UC Berkeley, and in architecture at the School of Architecture, Ahmedabad, from where he graduated with a gold medal for the best diploma thesis. Professor Sankalia's research and...

Education:

UC Berkeley, Master of Urban Design, 1999, School of Architecture, CEPT University, Ahmedabad, India, Bachelor of Architecture, 1994

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

Part-Time Faculty


Brad Drda

Adjunct Professor

Brad Drda (Dar-da) received his BA in cultural anthropology from Carleton College in Northfield, Minnesota. He taught English in Taiwan and vocational skills to developmentally disabled adults in Richmond, California before beginning a career in the solid waste industry as an environmental health and safety trainer. He earned an MS in environmental management from USF in 1998 and currently serves as the regional environmental manager for Recology in San Francisco, with experience in...

Education:

M.S. Environmental Management, University of San Francisco, 1998, B.S. Cultural Anthropology, Carleton College, Northfield MN 1980

Tom Engels

Adjunct Professor
(916) 790-8548

Tom Engels received his PhD in biological sciences from the University of Texas at Austin, with an emphasis in ecology and conservation biology. Tom is a principal at Horizon Water and Environment, an environmental consulting firm headquartered in Oakland, California. He has over 28 years of experience in environmental consulting, specializing in California Environmental Quality Act (CEQA), National Environmental Policy Act (NEPA), and Clean Water Act and Endangered Species Act compliance;...

Education:

PhD, Biological Sciences, University of Texas at Austin, Texas, BA, Liberal Arts, University of Texas at Austin, Texas

Stephen Fowler

Adjunct Professor

Stephen Fowler has been teaching at USF as an adjunct professor since 2006. During this time he has taught courses in business ethics at the business school and sustainable business at the college of arts and sciences. His research areas have included sustainable business practices, sustainable business indices and corporate responsibility. He has many years of experience in business as a corporate executive, entrepreneur and investor in startup companies and green building. He has degrees from...

Education:

MBA, London Business School, Masters in Sustainable Business, Cambridge University

Aaron Frank J.D.

Adjunct Professor

Aaron Frank's areas of interest include Environmental Law, Environmental Ethics, and Wildlife Policy. He is the Founder and President of the California Wildlife Center and sits on the Board of the Arava Institute for Environmental Studies. In 2013, Aaron won a USF Distinguished Teaching Award.

Susan Hopp

Adjunct Professor

Susan Hopp is a strategist, educator, and practitioner of sustainable and regenerative management. Since 2007, she has applied her years of experience with technology companies, both startups and multinationals, to building sustainability momentum in business. She spotlights the business case for sustainability as a key integrated strategy informing culture and organizational practices and has worked with organizations across industries to help them formalize their sustainability strategy and...

Education:

MBA, Presidio Graduate School of Sustainable Management, BA, Michigan State University

Expertise:

Sustainability Strategy, Sustainability Planning, Stakeholder Engagement, Regenerative Practices, Facilitation

Kathleen Jennings

Adjunct Professor

Professor Jennings' background is in water quality, human and ecological risk assessment, and wildlife ecology. She is trained in emergency response for hazardous materials releases and natural resource assessments for shoreline and biological injury.

Sam Jensen Augustine

Adjunct Professor

Sam has worked on humanitarian, research and design projects in the Caribbean, Latin America, and Asia. Sam's undergraduate degree is in Environmental and Industrial Microbiology. His interests lie at the intersection of technology, environment and social aspects of building design and performance. He has a Master of Architecture and a Certificate of Technical Teaching in Environmental Controls Systems from the University of Oregon Sam where he received a grant to study a combined water...

Education:

MS, Architecture, University of Oregon, BS, Environmental and Industrial Microbiology

Gordon Johnson

Adjunct Professor

Gordon Johnson is the manager of the environmental affairs regulatory department at the PBF Energy LLC Refinery in Martinez, California. Gordon has been teaching energy classes in the MSEM program since 1998 and is on the academic advisory board for the USF Energy Systems program. He has extensive experience in wastewater treatment, groundwater and soil remediation, air regulatory compliance, hazardous waste minimization and elimination, new regulation advocacy, and environmental permitting (...

Education:

B.S. in Chemistry, Oregon State University, M.S. in Environmental Management, University of San Francisco

Fernanda Lopez Ornelas

Adjunct Professor
(415) 422-6458

Professor Lopez Ornelas is a Mexican biologist and environmental manager that has always been passionate about nature and environmental phenomena. She earned her Biology degree in Mexico and completed her Master's degree in Environmental Management at the University of San Francisco, where she developed a strong interest in Geospatial technologies and GIS. She is proud to be part of the first group to obtain the GIS Certificate recently developed by USF’s Geospatial Analysis Lab (GsAL)....

Education:

University of San Francisco, MSc in Environmental Management, 2016, Universidad Simon Bolivar (Mexico), BS in Biology, 2010

Expertise:

GIS, LiDAR Technologies, Ecology, Spanish

Aviva Rossi

Adjunct Professor
(415) 295-2290

Aviva Rossi's research interests include biogeography, natural history, mammalogy, climate change, and conservation. Her current work focuses on quantifying the natural history of small mammals, including the niche space, resource selection, and modeled distributions. The ultimate goal of her work is to better understand how species are likely to respond to climate change in a way that can inform management. In addition to her research, Ms. Rossi has over 20 years of experience working in the...

Education:

PhD, University of California Davis, Ecology, MS, University of San Francisco, Environmental Management

Expertise:

Wildlife Ecology

Ken Schwarz

Adjunct Faculty

Ken conducts hydrologic and geomorphic analyses and produces watershed and stream management plans, hydrologic reports, stream assessments, sediment and erosion control evaluations, water rights petitions, restoration designs, conservation plans, and CEQA documents. Ken is an expert in environmental regulations and specializes in using his technical background to develop successful permit applications for the USACE, SWRCB, RWQCBs, CDFG, USFWS, and NMFS, as well as local county and municipal...

Emeriti Faculty


Raymond James Brown

Professor

Raymond James (Jim) Brown joined the USF faculty in fall 1970 as an Assistant Professor in the Biology Department. Over his 37 years at USF, Jim taught General Biology, Organic Evolution, Comparative Anatomy, Vertebrate Embryology, and California Wildlife. Later in his career, he directed the Graduate Environmental Management Program and helped establish the Environmental Science Department. He was the first chair of the department and taught Environmental Science and Environmental Monitoring....