Staff

Tanja Srebotnjak, Director (she/her/hers)
Class of ’66 Environmental Center | Room 206 | 413-597-4197 | [email protected]
Tanja has worked on sustainability strategy and operations and in a variety of settings. She obtained undergraduate and graduate degrees in statistics from Dortmund Technical University, Germany and the University of Auckland, New Zealand before joining the UN Statistics Division to work on environmental statistics and indicators. Seeing the growing need for data-driven sustainability assessment and decision-making, she pursued doctoral research in environmental statistics and policy from the Yale School of the Environment and was the director of the Yale-Columbia Environmental Performance Index (EPI). Since then she has led research, education and strategic initiatives to address sustainability, climate and environmental health issues in academia and K-12 education as well as for environmental advocacy and think tank organizations in the U.S. and Europe.
Mike Evans, Deputy Director (he/him/his)
Class of ’66 Environmental Center | Room 208 | 413-597-4462 | [email protected]
Mike joined the Zilkha Center team in 2014. Prior to his time at Williams, he worked in nonprofits focusing on food security, youth empowerment, sustainable agriculture, and food justice in Boston, Austin, and Salt Lake City. Mike received a B.A. in African and African American Studies from Dartmouth College and a M.A. in Community Leadership from Westminster College.

Christine Seibert, Sustainability Coordinator (she/her/hers)
Class of ’66 Environmental Center | Room 207 | 413-597-4422 | [email protected]
Christine has a background in environmental education, student engagement, and municipal greenhouse gas accounting. One of her greatest joys in life is seeing young people empowered to make positive change in their communities. She holds a B.S. in biology from Gordon College and is pursuing a masters in sustainability at Harvard Extension School.
DeeDee Lewis, Administrative Coordinator (she/her/hers)
Class of ’66 Environmental Center | Room 108 | 413-597-2346 | [email protected]
2023 – 2024 Academic Year Interns
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Josh Bruns ‘25 (he/him) · Dakar, Senegal · Signage and Education Intern · I'm excited to help redesign spaces in the Class of 1966 Envi Center, and also to share information about the Center with a variety of new people.
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Fiona Zheng ‘27 (she/her) · Queens, NY · Community Engagement and Outreach Intern · I am excited to explore how I can effectively distribute sustainability resources across campus and beyond!
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Olivia Jo ‘26 (she/her) · Los Angeles, CA · Sustainability Communications Intern · I am excited to make sustainability an engaging, everyday practice.
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Merrick Rash ‘27 (he/him) · Schenectady, NY · Sustainability Communications Intern · I am most excited to learn more about environmental justice and contribute to a more sustainable campus!
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Emma Hennessy ‘26 (she/her) · Whitestone, NY · CoolFood Education and Outreach Intern · I am excited to work with the dining halls to make options more sustainable and plant-rich.
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Mafoudia Keita ‘24 (she/her) · Harlem, NY · Zero Waste Intern · I am most excited to work with other interns and be a part of more zero-waste initiatives on campus!
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Brian Lavinio ‘24 (he/him) · Pittsfield, MA · Break Free From Plastics Intern · I’m most excited to continue working with Post Landfill Action Network to reduce waste on campus and push Williams to break free from plastic!
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Sasha Horvath ‘25 (she/her) · Brooklyn, NY · Dashboard Intern · I’m excited to see the dashboard come to life this year, and hopefully help the Williams community understand the quantitative metrics of sustainability on campus.
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Sonia Dhingra ‘26 (she/her) · Dallas, TX · EcoRep · I'm excited to work with other departments and groups to engage campus members with sustainability.
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Sean Morrissey ‘24 (he/him) · Pocatello, ID · EcoRep · I'm excited to make new friends (-:
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Yunae Zou ‘27 (she/her) · Shanghai, China · EcoRep · I'm excited to collaborate with others, learn new things, and help make our community more green.
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Uhart Bradnock ‘27 (he/him) · Ewing, New Jersey · Gardening and Landscaping Intern · I’m excited to take care of the trees and flora around campus.
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Mercy Lagat ‘27 (she/her) · Eldoret, Kenya · Gardening and Landscaping Intern · I'm excited to work with my colleagues towards achieving sustainability and learning new gardening skills.
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Abby Moffett ‘25 (she/her) · Kenai, AK · Winter Blitz · I'm excited to work with everyone building window frames.
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Zayneb Moin ‘25 (she/they) · Islamabad, Pakistan · MinCo Zero Waste Intern · I'm excited to solve some pressing issues!
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Tegra Ilunga ‘27 (he/him) · Chipigne, Zimbabwe · Project Intern: Campus Tree Planting and Carbon Sequestration · I’m psyched to learn about the core significances trees have in our human lives.
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Jamie Liu ‘24 (she/her) · Shanghai, China · Project Intern: Libraries and Climate Change · I'm excited to leverage data and make meaningful impacts on the sustainability of our libraries!
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Diliara Sadykova ‘26 (she/her) · Kazan, Russia · Project Intern: ESG Investment · I'm excited to give the Williams community a chance to be more sustainable through green finance.
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Henry W. White '25 (he/him) • Sustainability Data Analyst • I'm most excited to see my summer projects through the end! It has been an exciting journey.
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