Marc Yaggi

Waterkeeper Alliance

Executive Director

@marcyaggi @waterkeeper


Marc Yaggi is Executive Director of Waterkeeper Alliance, the largest and fastest growing nonprofit solely focused on clean water. Marc has dedicated his entire career to environmental advocacy and has been instrumental in expanding the Waterkeeper movement around the world for nearly 20 years. Marc leads with a deep, personal passion for clean water and provides organizational leadership by developing strategic partnerships and promoting the Waterkeeper model of advocacy. Marc works daily to raise public awareness about the issues central to the organization’s vision for drinkable, fishable, swimmable water worldwide.

Before joining Waterkeeper Alliance, Marc was a Senior Attorney and Watershed Program Director for Riverkeeper, Inc., where he worked to protect the 2,000-square mile watershed that serves as New York City’s drinking water supply. Previously, Marc served as a Staff Attorney with the Environmental Law Institute in Washington, D.C.

In addition to authoring numerous articles, Marc has appeared in publications like The New York Times, The Guardian, and Politico, and his quotes have been picked up by wire services such as AP, Bloomberg, and Reuters. For the past two decades, he has inspired audiences all over the world with keynote speeches, conference panels, and corporate seminars.

Marc has a degree in Administration of Justice from The Pennsylvania State University and a J.D. and an LL.M in Environmental Law from the Pace University School of Law. He lives in Brooklyn with his wife and two children. They love getting out on the water as a family as often as they can.

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