![Paige Novak](/sites/circularity.umn.edu/files/styles/folwell_full/public/2022-10/paige_final_bio_pic_0.jpg?itok=nWJ_9TTS)
Paige Novak
Program Director, PI
Department of Civil, Environmental, and Geo-Engineering
Research: Biological transformation of hazardous substances or pollutants and how external environmental factors influence the biodegradation of these substances or how to enhance biodegradation
Trainee: Frantz Joseph
![William Arnold bio](/sites/circularity.umn.edu/files/styles/folwell_full/public/2022-10/bill_final_bio_pic_0.jpg?itok=XkO5wj1e)
William Arnold
Co-PI
Department of Civil, Environmental, and Geo-Engineering
Research: Identifying important transformation processes, understanding detailed reaction mechanisms, and determining reaction rates of anthropogenic chemicals in natural and engineered systems
Trainees: Kate Faber, Frantz Joseph, Abby Matheny, McKenzie Pearson, and Sarah Ziemann
![Bonnie Keeler bio](/sites/circularity.umn.edu/files/styles/folwell_full/public/2022-10/bonnie_final_bio_pic.jpg?itok=76Zbx7WZ)
Bonnie Keeler
Co-PI
Master of Human Rights; Public Policy; and MS in Science, Technology, and Environmental Policy
Research: Science and technology; water policy; energy and environment; environmental planning; cost-benefit analysis
![Timothy Smith](/sites/circularity.umn.edu/files/styles/folwell_full/public/2022-10/tim_final_bio_pic.jpg?itok=PDZvpMop)
Timothy Smith
Co-PI
Department of Bioproducts and Biosystems Engineering
Research: Corporate sustainability, product stewardship, sustainable systems policy and market adoption
Trainee: Xilin Yang
![Natasha Wright](/sites/circularity.umn.edu/files/styles/folwell_full/public/2022-10/natasha_final_bio_pic.jpg?itok=xyPa43kJ)
Natasha Wright
Co-PI
Department of Mechanical Engineering
Research: Membrane-based separation processes; desalination; engineering global development; water and sanitation in emerging markets; design ethnography and product design
Trainee: Jenn Hoody
![Paul Dauenhauer](/sites/circularity.umn.edu/files/styles/folwell_full/public/2022-10/paul_final_bio_pic.jpg?itok=1bnt35Vu)
Paul Dauenhauer
Senior Personnel
Department of Chemical Engineering and Materials Science
Research: Engineering sustainable energy technology
Trainee: Benjamin Burnette
![Elise Harrington](/sites/circularity.umn.edu/files/styles/folwell_full/public/2022-10/elise_final_bio_pic_0.jpg?itok=daHpe3He)
Elise Harrington
Senior Personnel
Master of Development Practice; Public Policy, Urban and Regional Planning; and MS in Science, Technology, and Environmental Policy
Research: Climate change, energy and environment, environmental policy, international development, policy and program implementation, science and technology
Trainee: Kristin Sako
![Gudrun Lock](/sites/circularity.umn.edu/files/styles/folwell_full/public/2022-10/gudrun_final_bio_pic_0.jpg?itok=ZY_J3Zvt)
Gudrun Lock
Artist in Residence