Bill Cohen

Bill Cohen

Center Coordinator

Bill Cohen oversees the Kleinman Center's office needs, supervises public events, tracks the budget, and provides technical support across many platforms. When possible, he also dives into design and research projects. Before settling in Philadelphia, Cohen spent three years teaching English in Thailand, Spain, and France. In 2010 he served as the liaison for high schools from five European countries on a successful E.U. grant proposal, creating an exchange program for students pursuing alternative energy research. After returning to the United States, Cohen helped start a local, artisan food company, Righteous Felon.

Cohen is pursuing a master of science in applied geoscience at the University of Pennsylvania, focusing on sustainable development and green stormwater infrastructure.

Cornelia Colijn

Executive Director

Cory Colijn envisions, plans, and manages all center programming, while building connections with students, faculty, and leaders in the energy industry. She joined the Kleinman Center team after serving as the administrative director of Penn’s Professional Programs in Earth and Environmental Science. Prior to coming to Penn, she worked for several Philadelphia-based nonprofits, focusing on the ecological restoration of Philadelphia’s extensive park system.

Colijn holds a master's degree in applied geoscience and a bachelor's degree in earth and environmental science, both from the University of Pennsylvania.



Mark Alan Hughes

Founding Faculty Director


Mark Alan Hughes is a professor of practice at the University of Pennsylvania Stuart Weitzman School of Design and founding faculty director of the Kleinman Center for Energy Policy. He is also a faculty fellow of the Penn Institute for Urban Research and a research fellow of the Wharton Risk Center. Hughes joined the standing faculty of Princeton University’s Woodrow Wilson School in 1986 at the age of 25 and joined the associated faculty of the University of Pennsylvania in 1999. He has published in the leading journals of economic geography, urban economics, political science, policy analysis, and won the National Planning Award for his research in city and regional planning in 1992.

He was chief policy adviser to Mayor Michael A. Nutter and the founding director of sustainability for the City of Philadelphia, where he led the creation of the Greenworks Plan in 2009. He has designed and fielded national policy research projects in a variety of areas including the Bridges to Work program in transportation, the Transitional Work Corporation in job training and placement, the Campaign for Working Families in EITC participation, and the Energy Efficient Buildings Hub in regional economic development. This work has been funded by H.U.D., H.H.S., D.O.E., Ford, Rockefeller, Pew, Casey, WmPenn, and others.

He was the inaugural nonresident senior fellow at the Brookings Institution’s Center for Urban and Metropolitan Policy founded by Bruce Katz; the first vice president of policy development at the national intermediary Public/Private Ventures established by the Ford Foundation in Philadelphia; and a weekly opinion columnist for five years at the Philadelphia Daily News, where he was named one the best columnists in the U.S. by The Week magazine in 2004.

Hughes earned a Ph.D. in regional science from the University of Pennsylvania in 1986, and a B.A. in religion and art history from Swarthmore College in 1981.

Angela Pachon

Angela Pachon

Research Director

Angela Pachon oversees the research agenda, manages the research grants and the visitor scholar programs, and develops scholarship and research collaborations across campus and beyondShe is also the author and editor of various publications of the Center and has studied issues related to electricity markets in the US, gas policies in Pennsylvania and climate policies in Latin America. Prior to the Kleinman Center, Pachon worked as a policy advisor at the Ontario Energy Board developing incentive regulation for electricity and gas utilities and assessing rate impacts and affordability measures resulting from the implementation of feed-in tariffs. She also worked for NERA Economic Consulting in London, England leading electricity sector reform projects in Europe, Africa, and the Middle East.

Pachon earned her master of science in local economic development from the London School of Economics, England and her B.S. degree from Pontificia Universidad Javeriana, in Bogota, Colombia.

Lindsey Samahon

Lindsey Samahon

Director of Communications

Lindsey Samahon directs the voice of the Kleinman Center across all platforms. She develops new content, prepares research for publication, serves as the center's press contact, and ultimately strives to grow the center's audience. Samahon is a journalist and digital content producer with more than 20 years of experience telling stories online, in print, and on TV. She is the former managing editor of and former director of PBS Parents. She also worked at U.S. News & World Report, where she helped launch the first university rankings online. Prior to joining the Penn community, Samahon ran her own digital media consulting company, working with large media outlets (like Comcast/NBCUniversal), nonprofits, and small businesses. 

Samahon holds a master of science in journalism from the Medill School of Journalism at Northwestern University.


Mollie Simon

Mollie Simon

Communications Coordinator

Mollie Simon manages the center's social media accounts, drafts newsletters and announcements, writes and publishes content for our website, and regularly posts to our blog. Prior to joining the Kleinman Center, she worked in environmental advocacy at both national and local non-profit organizations. She served as a climate and energy fellow at the National Wildlife Federation in Washington, D.C. and the outreach coordinator at Clean Air Council in Philadelphia. Her policy work has primarily focused on Clean Power Plan implementation and regulation of methane emissions from the natural gas sector. 

Simon holds a master's degree in environmental studies from the University of Pennsylvania, with a concentration in policy.

Oscar Serpell

Oscar Serpell

Research Associate

Oscar Serpell is a researcher, writer, and data analyst at the Kleinman Center for Energy Policy. He participates on several key research projects at the center and also writes blog posts and policy digests on timely energy policy topics. Serpell has written as a guest contributor for the Penn Sustainability Review and received the Elaine B. Wright Award for Excellence in Applying Environmental Studies to Community Service. He has held several student teaching and administrative positions in the Department of Earth and Environmental Science, the Department of Anthropology, and the Center for Excellence in Environmental Toxicology. 

Serpell has a master's degree in environmental studies and a B.A. in environmental management, both from the University of Pennsylvania.

Kimberle Szczurowski

Kimberle Szczurowski

Administrative Assistant

Kimberle Szczurowski keeps the Kleinman Center humming along, especially in the areas of scheduling, budgeting, and event planning. She also helps manage our active student grants program. Szczurowski spent the past several years traveling and living in different regions. She has participated in multiple community outreach programs in the U.S. and internationally, including a clean air initiative, which was established to bring awareness to the adverse health and environmental impacts of poor landfill management in the Bahamas. She also supported several U.S. Embassy led sustainability projects while living abroad.

Szczurowski spent some time studying renewable energy in Central America and has a B.A. in energy and sustainability policy from Penn State.