• Assistant Professor of Entomology/Arthropod Ecology

Areas of Expertise

  • Insect plant interactions
  • Integrated pest management
  • Chemical ecology
  • Molecular biology
  • Associate Professor of Aquatic Ecology

Areas of Expertise

  • The relationship between community structure and ecosystem processes in rivers and streams, and factors which influence this relationship across local, landscape, and regional spatial scales.
  • 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 of Mushrooms

Areas of Expertise

  • Mushroom cultivation
  • Composting
  • Mushroom nutrition and physiology
  • IPM and Disease Management for Mushroom cultivation
  • Mushroom extension services for the North American mushroom industry
  • Assistant Professor Precision Dairy Science

Areas of Expertise

  • Precision Livestock Farming
  • Precision technology
  • Preweaning calf nutrition
  • Dairy calf health
  • Animal health
  • Animal behavior
  • Animal welfare
  • Dairy cattle management
  • 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
  • Plasma agriculture
  • Associate 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
  • Director of E. coli Reference Center
  • Professor of Food Science

Areas of Expertise

  • Microbiology
  • Microbial pathogens
  • Molecular microbiology
  • Microbial genomics
  • Food Safety
  • Food Microbiology
  • 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
  • Associate Professor of Food Animal Microbiomes

Areas of Expertise

  • Microbiome
  • Epidemiology
  • Food Production Systems
  • Antimicrobial Resistance
  • Dairy Cattle
  • Mastitis
  • Animal Health and Productivity
  • Assistant Professor of Agricultural and Biological Engineering

Areas of Expertise

  • Machinery Design
  • Mechatronics and Robotics
  • Precision/Digital Agriculture
  • UAVs applications in Agriculture
  • Remote Sensing and Wireless Sensor Network
  • Artificial intelligence applications in Agricultural System
  • Publius Vergilius Maro Professor of Entomology
  • Director, Huck Institutes of the Life Sciences

Areas of Expertise

  • Bees
  • Genomics, Immunity, Behavior, Physiology, Ecology
  • Decision Support Tools
  • Technology for Identification and Monitoring of Insects
  • Associate Professor of Agricultural and Biological Engineering

Areas of Expertise

  • Mechanization and Automation for Specialty Crops
  • Robotic Solutions for Agricultural Applications
  • Precision Agriculture
  • Electro-Hydraulic Control System
  • Dorothy Foehr Huck and J. Lloyd Huck Chair in Global Food Security

Areas of Expertise

  • My background is evolutionary biology and specifically the behavioral ecology of parasites and ants. Mostly, I worked on the extended phenotype concept, which was put forward by Richard Dawkins. I worked on different models, such as Strepsiptera in wasps and ants, nematodes in ants, and fungi that manipulate ant behavior- 'zombie ants'.
  • But in the course of that work, I also did significant work on taxonomy, genomics, metabolomics, histology, ultrastructural morphology, machine learning to enable ant tracking, and some paleontology (which was fun).
  • Since starting PlantVillage in 2012, I have worked extensively on machine learning, specifically computer vision of crop diseases, but later extending to computer vision to enable dietary (with Aulo Gelli at IFPRI). I have worked extensively on climate science, especially adaptation and use of satellites and machine learning to understand soil moisture or both ground biomass (with Amulya Yadav and Chaopeng Shen at Penn State). I have also worked on the invention and development of mobile Pyrolosis systems (with Dries Roobroeck and Sheldon Inyana) and capture and storage of carbon in concrete (with Maa'va who worked with Penn State concrete researchers). As the Director of the USAID Innovation Lab (Current and Emerging Threats to Crops), I worked on (and oversaw) research on scaling solutions to global food insecurity. Given the focus on solutions, I then started PlantVillage+ Inc, a Delaware C Corp spun out from the university in 2024 (and part owned by Penn State). To enable co-operative structures and long-term public benefit, PlantVillage+ is being co-founded with Annalyse McCloskey.
  • More recently, and given my interest in PlantVillage/PlantVillage+ as a public good, I've become very interested in intellectual property arising from public funding , the organizational structures of corporations and particularly universities and worker cooperatives. Currently doing a study on the evolution of university systems with my alma mater, Oxford, as a case study and the nature of corporate bodies across time, including cooperatives.
  • Assistant Research Professor in Electronics, Instrumentation and Control Systems

Areas of Expertise

  • AI, automation, robotics, electronics, and advanced controls in agriculture including:
  • Specialty crop production
  • Controlled-environment agriculture (CEA)
  • Agricultural health and safety
  • Interim Department Head and Professor of Production Systems and Modeling

Areas of Expertise

  • Agroecosystems
  • Soil Carbon and Nitrogen Cycling
  • Hydrologic and Nutrient Cycling Modeling
  • Environmental Biophysics
  • Plant Ecophysiology
  • Dorothy Foehr Huck and J. Lloyd Huck Chair in Microbiomes in Food Safety
  • Associate Professor of Food Science

Areas of Expertise

  • Microbial Food Safety
  • Foodborne Pathogens
  • Genomic Epidemiology
  • Microbiomes in Food Systems
  • Antimicrobial Resistance
  • Nancy and John Steimer Professor of Agricultural Sciences
  • Associate Professor of Entomology
  • Assistant Professor of Civil and Environmental Engineering

Areas of Expertise

  • Water quality
  • Stormwater management
  • Green infrastructure
  • Urban ecohydrology
  • Biogeochemistry
  • Associate Research Professor
  • Cropping Systems Modeling

Areas of Expertise

  • Physically Distributed Hydrological Modeling
  • Agricultural Systems Modeling
  • Air Pollution and Greenhouse Gas Emissions from Agriculture
  • Micrometeorological Measurements and Eddy Covariance Systems
  • Laser Diffraction Soil Particle Size Analysis
  • Unmanned Aerial Vehicles (UAV)
  • Instrumentation
  • 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
  • Associate Research Professor

Areas of Expertise

  • Land-Atmosphere Water and Carbon Dioxide Fluxes Modeling
  • Meteorology
  • Model-Data Assimilation

Director, TALiS

  • Interim Department Head and Professor of Production Systems and Modeling