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Tessa Castellani
Assistant, Communications
- email: castellani@ceres.org
Tessa joined Ceres in 2015 as an Assistant in Communications. She is responsible for providing support for internal and external communications strategies through research assistance, project management, and graphic design.
Tessa received a B.A. from State University of New York at Geneseo in 2014, where she majored in Sociology with a focus in Social Issues and Political Science. Prior to joining Ceres, Tessa worked as Document Manager at the United Nations and served as a Marketing and Communications intern at Services for the UnderServed and MADRE in New York City.
Recent Blog Posts
Celebrating International Women's Day
Today, on International Women's Day, we salute the visionaries and the trailblazers: the women leaders who work tirelessly to champion sustainability in business and investor circles.
Clif Bar Brings Organic Agriculture Focus to its Climate Commitments
Thanks to Clif Bar, rock-climbers sporting red t-shirts everywhere are now synonymous with energy bars, wholesome, organic snacks, and sports nutrition. What’s more, these same climbers (or “Clifsters”) are not only scaling the rocky terrain up mountainsides, they’re ascending the summit of climate action in their own communities.
Global Food and Beverage CEOs Unite for Climate Action
With COP21 less than one week away, the chief executive officers of Coca-Cola, The Hain Celestial Group, Hershey’s and PepsiCo have signed on to BICEP’s letter to U.S. and world leaders urging them to forge a robust international climate agreement in Paris.

