- Distinguished Professor of Environmental and Resource Economics and Public Policy;
- Director, Program on Coupled Human and Earth Systems (PCHES);
- President, Association of Environmental and Resource Economists (AERE)
Areas of Expertise
- Economy-wide modeling
- Climate change impacts and adaptation
- Integrated assessment
- Publius Vergilius Maro Professor of Entomology
- Director, Center for Pollinator Research, Insect Biodiversity Center
Areas of Expertise
- Bees
- Genomics, Immunity, Behavior, Physiology, Ecology
- Decision Support Tools
- Technology for Identification and Monitoring of Insects
- Associate Director of Partnerships & Engagement
Areas of Expertise
- Environmental Law
- Non-Point Source Pollution of Water (Agriculture and Urban Stormwater Runoff)
- Stakeholder Engagement at Local, State, Regional, and Federal Levels
- Email mzr154@psu.edu
- Office 814-863-8756
- Department Head, Ag Economics, Sociology, and Education
- Professor of Agricultural, Environmental and Regional Economics and Demography
Areas of Expertise
- Economic and environmental sustainability of agriculture
- Global food and agricultural markets
- Natural resource economics
- Climate change adaptation and mitigation
- Email dga2@psu.edu
- Office 814-863-8630
- Professor of Entomology
Areas of Expertise
- Soil Entomology and Ecology
- Sustainable and Organic Agriculture
- Insect Pathology
- Women and Gender in Science
- Women and Agriculture
- Associate Research Professor
- Extension Veterinarian
Areas of Expertise
- Transition cow management
- Dairy cattle reproduction
- Farm personnel training and performance
- Dairy production medicine
- Cow comfort
- Professor, Department of Ecosystem Science & Management
- Co-hire, Institutes of Energy & the Environment
- Professor of Rural Sociology
Areas of Expertise
- Environmental Governance Systems
- Energy and Society
- Community Development and Stakeholder Engagement
- Water Quality
- Women in Agriculture
- Associate Professor
Areas of Expertise
- Environmental Economics
- Water Resource Economics
- Nonmarket Valuation
- Behavioral Economics
- Policy Analysis
- Stormwater and Green Infrastructure
- Transportation Economics
- Email dab320@psu.edu
- Office 814-865-7657
- Professor of Wildlife Resources
- Extension Wildlife Specialist
Areas of Expertise
- Avian ecology
- Effects of shale gas development on forests and birds
- forest songbirds
- Human impacts on bird population
- Wildlife habitat management on private lands
- Landscaping for birds and wildlife
- Professor of Soil Microbiology and Biogeochemistry
Areas of Expertise
- Soil microbiology
- Nitrogen cycle
- Soil quality
- Ecological restoration
- Biogeochemistry
- Adjunct Professor of Agronomy, USDA-ARS
- Research Hydrologist, USDA-ARS
- Professor of Bacterial Systematics and Plant Pathology
Areas of Expertise
- Phytobacteriology
- Translational Taxonomy
- Systematic Bacteriology
- Biological Control
- Sustainable and Organic Agriculture
- Email ctb14@psu.edu
- Office 814-865-7448
- Assistant Professor
Areas of Expertise
- Evolutionary ecology of legumes and rhizobia
- Plant-microbe-climate interactions
- Mutualism evolution
- Bio-inoculants and leguminous cover crops
- Biological nitrogen Fixation
- Genome-wide association studies (GWAS)
- Evolve and resequence
- Assistant Professor of Rural Sociology
- Research Associate, Rock Ethics Institute
Areas of Expertise
- Environmental sociology
- Food and agricultural ethics
- Science, knowledge, and technology
- Culture and consumption
- Social psychology
- Animals and society
- Qualitative research methods
- Email rchiles@psu.edu
- Office 814-863-8626
- Associate Research Professor
- Director, Southeast Agricultural Research & Extension Center
Areas of Expertise
- Corn Disease
- Soybean Disease
- Wheat Disease
- Hemp Production
- Field Crops Disease Management
- Email aac18@psu.edu
- Office 717-653-4728
- Professor and Department Head of Plant Science
Areas of Expertise
- Plant mineral nutrition
- Micronutrient transport
- Molecular mechanisms of iron transport
- Assistant Professor of Soils and Environmental Microbiology
- Assistant Professor of Soilborne Disease Dynamics and Management
Areas of Expertise
- Fungal ecology and evolution
- Soil & plant microbiome response to stress
- Biological management of fungal & oomycete pathogens
- Soil health and disease modeling
- Associate Professor of Dairy Cattle Genetics
- Undergraduate Adviser, Dairy, Genetics
- Email cdechow@psu.edu
- Office 814-863-3659
- Associate Professor of Vegetable Crop Science
Areas of Expertise
- Sustainable vegetable production systems
- Plant nutrition, soil fertility and irrigation management
- Alternatives to chemical soil fumigation
- Vegetable response to abiotic stress
- Vegetable quality
- Agrobiodiversity and novel vegetable products
- Agronomic biofortification
- Assistant Professor of Phytobiomes
Areas of Expertise
- Microbial community ecology
- Plant-microbe interaction
- Environmental microbiology
- Soil microbiology
- Ecological resilience and resistance
- Causes and consequences of biodiversity
- Professor of Pedology & Graduate Program Chair
Areas of Expertise
- Soil Science
- Watershed Management
- Landscape Ecology
- Natural Resource Management
- Email pjd7@psu.edu
- Office 814-863-4246
- Professor of Soil Management and Applied Soil Physics
Areas of Expertise
- No-tillage
- Cover crops
- Soil compaction
- Soil health
- Soil erosion
- Soil conservation
- Nitrogen fixation
- Associate Professor of Hydrology
Areas of Expertise
- Ecohydrology
- Hydrology
- Biogeochemistry
- Terrain Analysis
- Water Quality
- Watershed Management
- Professor of Woody Plant Physiology
Areas of Expertise
- Root biology and ecology
- Mycorrhizal ecology
- Plant Physiological Ecology
- Plant Ecology
- Global Change Biology
- Belowground Ecology
- Fruit tree physiology
- Email dme9@psu.edu
- Office 814-863-3371
- Professor Emeritus
Areas of Expertise
- Fate And Control Of Pollutants In Soils And Water
- Land-based recycling of effluents and residuals
- Professor of Epidemiology and Field Crop Pathology
Areas of Expertise
- Integrated management of field crop diseases
- Plant disease epidemiology
- Statistical methods for the agricultural sciences
- Email pde6@psu.edu
- Office 814-865-0680
- Professor Emeritus of Entomology
Areas of Expertise
- Insect population dynamics
- IPM
- Email sjf4@psu.edu
- Office 814-863-7788
- Professor of Rural Sociology and Science, Technology, and Society
- Email llg13@psu.edu
- Office 814-863-8636
- Professor of Agricultural and Regional Economics
- Director of The Northeast Regional Center for Rural Development
Areas of Expertise
- Food Systems Economics
- Economic Growth and Development
- Regional Economics and Policy
- Adjunct Associate Professor of Agronomy, USDA-ARS
- Assistant Dean for Graduate Education
- Associate Director of the Pennsylvania Agricultural State Experiment Station
- Professor of Vegetable Pathology
Areas of Expertise
- Integrated vegetable disease management
- Plant pathogen diagnosis
- Disease monitoring and forecasting
- Sustainable crop production
- J. Franklin Styer Professor of Horticultural Botany and Professor of Plant Molecular Biology
Areas of Expertise
- Plant Genomics and Genetics
- Plant Molecular Biology
- Theobroma cacao (cocoa)
- Email mjg9@psu.edu
- Office 814-863-7957
- Professor of Nutritional Physiology
Areas of Expertise
- Milk fat synthesis
- Rumen fatty acid metabolism
- Omega-3 fatty acids
- Email kjh182@psu.edu
- Office 814-865-6334
- Professor Emeritus of Dairy Science
Areas of Expertise
- Heifer nutrition and management
- Effective fiber for dairy cows
- Email ajh@psu.edu
- Office 814-863-3916
- Professor Emerita of Rural Sociology
Areas of Expertise
- food systems
- sustainable agriculture
- agrarian change
- sustainability transitions
- Interim Department Head, Animal Science
- Associate Professor of Dairy Science
- Extension Educator, Dairy Team
Areas of Expertise
- Dairy Advisory Teams
- Integrated Dairy Management
- Email lah7@psu.edu
- Office 814-863-3672
- Clinical Professor & Extension Veterinarian
- Resident Director, Animal Diagnostic Lab
- Veterinary Extension Team Leader
Areas of Expertise
- Epidemiology
- Biosecurity and Infectious Disease Management
- Bovine Hoof Health, Mastitis, Milk Quality & Milking Equipment
- Johne's Disease
- On-farm Food Safety
- Distinguished Professor of Dairy Nutrition
Areas of Expertise
- Dairy Nutrition
- Protein Nutrition of Dairy Cows
- Rumen Fermentation
- Nitrogen Utilization
- Methane Mitigation
- Environment
- Professor of Forest Resources
Areas of Expertise
- Water Energy Food Nexus
- Bioenergy
- Agroforestry
- Forest Economics and Finance
- International Forestry
- Forest Extension
- Non Timber Forest Products
- Associate Professor of Crop Production / Ecology
Areas of Expertise
- Agroecology
- Conservation & Dairy Cropping Systems
- Soil & nutrient conservation, perennials, cover crops
- Pasture ecology and grazing management
- Email hdk3@psu.edu
- Office 814-863-3179
- Distinguished Professor of Soil Biogeochemistry
- Chair of Ecology Intercollege Graduate Degree Program
Areas of Expertise
- Ecosystem ecology
- Nitrogen cycle
- Carbon cycle
- Forest ecosystems
- Sustainable agriculture
- Interim Department Head and Professor of Forest Ecology
Areas of Expertise
- Global change ecology
- Forest ecology
- Dendrochronology
- Community ecology
- Professor of Production Systems and Modeling
Areas of Expertise
- Agroecosystems
- Soil Carbon and Nitrogen Cycling
- Hydrologic and Nutrient Cycling Modeling
- Environmental Biophysics
- Plant Ecophysiology
- Adjunct Associate Professor of Soil Science, USDA-ARS
- Associate Professor of Agricultural and Extension Education
- Director of Graduate Studies for Education, Development, and Community Engagement (EDCE) Graduate Program
Areas of Expertise
- Program Evaluation
- Human Dimensions of Natural Resource Management
- Behavior Change Theories and Frameworks
- Social Network Analysis
- Survey Methodology
- Research Methods and Applied Data Analysis
- Assistant Dean for Access and Equity
- Research Professor of Quantitative Forest Ecology
- Email lpl3@psu.edu
- Office 814-865-4244
- University Distinguished Professor
Areas of Expertise
- crop ecophysiology
- plant adaptation to abiotic stress
- plant genetics
- simulation modeling
- Research Professor of Plant Biotechnology
Areas of Expertise
- Plant Biotechnology
- Plant Functional Genomics
- Plant Tissue Culture
- Plant Propagation
- Plant Disease Resistance
- Plant – Microbes Interactions
- Assistant Professor of Civil and Environmental Engineering
Areas of Expertise
- Water quality
- Stormwater management
- Green infrastructure
- Urban ecohydrology
- Biogeochemistry
- Dean, College of Agricultural Sciences
- C. Lee Rumberger and Family Chair in Agricultural Sciences
Areas of Expertise
- Reproductive Biology
- Assisted Reproductive Technologies
- Animal Science
- Dairy production
- Agricultural Biotechnology
- Agricultural Sustainability
- Graduate Training
- Undergraduate Instruction
- Department Head
- Professor of Immunology and Molecular Toxicology
Areas of Expertise
- Redox biology with an emphasis on selenium and selenoproteins
- Macrophage biology- emphasis on inflammation and resolution
- Endogenous bioactive lipid mediators
- Cancer (leukemia) and leukemia stem cells
- Redox control of stress erythropoiesis during inflammation
- Professor of Agricultural and Biological Engineering
- Natural Resource Engineering
- Director of the Institute for Sustainable Agricultural, Food, and Environmental Science
Areas of Expertise
- Emerging Contaminants
- Contaminant Fate and Transport
- Environmental Hydrology
- Associate Professor of Agricultural and Biological Engineering
Areas of Expertise
- Storm water management
- Watershed modeling
- Application of optimization tools in watershed analysis
- Ecohydrological impacts of climate and land use change
- Email craj@psu.edu
- Office 814-865-5616
- Professor Emeritus of Agricultural and Biological Engineering
Areas of Expertise
- Lignocellulosic biomass conversion
- Bioenergy
- Manure conversion
- Sustainable agriculture
- Email tlr20@psu.edu
- Office 814-865-3722
- Professor of Horticultural Systems Management
Areas of Expertise
- Sustainable vegetable systems
- Organic vegetable systems
- Field vegetable production systems
- High tunnel vegetable production systems
- Hydroponic vegetable systems
- Email ess11@psu.edu
- Office 814-863-2433
- Assistant Professor of Marketing and Local/Regional Food Systems
Areas of Expertise
- Local Food Systems
- Agritourism
- Craft beverage industry
- Value added agriculture
- Farm management
- Economics of Animal and Zoonotic Diseases
- Professor of Molecular Virology
- Director, Pathobiology Graduate Program
Areas of Expertise
- Virology
- Infectious Disease
- Viral Budding
- Cellular Trafficking
- Virus-like Particles
- Zoonoses
- Email aps13@psu.edu
- Office 814-863-6781
- Associate Research Professor
Areas of Expertise
- Land-Atmosphere Water and Carbon Dioxide Fluxes Modeling
- Meteorology
- Model-Data Assimilation
- Email yshi@psu.edu
- Office 814-865-7393
- Distinguished Professor Emeritus of Agricultural and Environmental Economics
- Extension Veterinarian
- Professor of Veterinary Science
Areas of Expertise
- Ruminant nutrition
- Dairy herd health
- Metabolic disease
- Reproduction
- Nutrition reproduction interactions
- Small ruminants
- Llamas and Alpacas
- Assistant Professor of Agricultural and Biological Engineering
Areas of Expertise
- Bioproducts Systems Analysis
- Process Systems Engineering
- Bioprocess Engineering
- Biomass Valorization
- Biosystems Techno-Economic Analysis and Life-Cycle Assessment
- Extension Manager
- Associate Professor of Weed Science
Areas of Expertise
- Weed ecology
- Herbicide-based weed control
- Organic weed management
- Sustainable cropping systems
- Email jmw309@psu.edu
- Office 814-863-1014
- Professor Emeritus of Soil Science / Soil Physics / Biogeochemistry
Areas of Expertise
- Emerging Contaminants
- Contaminant Fate and Transport
- Contaminant Transport Modeling
- Soil and Water Quality
- Associate Professor and Extension Specialist, Soil Fertility and Nutrient Management
Areas of Expertise
- Soil Fertility
- Nutrient Management
- Cover Crops
- Soil Carbon and Nitrogen Cycling
- Cropping System Modeling
- Email cmw29@psu.edu
- Office 814-863-1016
- Assistant Professor, Youth and Adult Leadership, Penn State Extension
Areas of Expertise
- Adult and Youth Leadership Development
- Community Leadership Development
- Volunteerism
- Volunteer Leadership Development
- Needs Assessment Research
- Evaluation
- Email sxk75@psu.edu
- Office 814-863-3825
- Associate Professor of Environmental and Resource Economics
Areas of Expertise
- Environmental Economics
- Urban and Land Use Economics
- Applied Econometrics
- Nonmarket Valuation
- Policy Analysis
- Associate Professor of Environmental and Resource Economics
Areas of Expertise
- Environmental and resource economics
- Land economics
- Spatial modeling
- Non-market valuation