Meet the people behind Causes

The Causes team is made up of technologists and designers, illustrators and storytellers, ideators and innovators. And though our backgrounds run the gamut, we’re united behind one singular belief: that anyone, anywhere, deserves the best tools possible to better their world.

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Matt Mahan

President & CEO

Matt Mahan is responsible for the strategic and operational leadership of Causes, the world's largest and most powerful community for doing good. He previously managed business development at Causes, creating new revenue products and overseeing thousands of corporate and nonprofit relationships. Matt has been with the company for four years. Before working in tech, Matt taught in San Jose, CA through Teach for America and, prior to that, did economic development work in Bolivia through Harvard's Rockefeller Memorial Fellowship. Matt graduated from Harvard College, where he was elected student body president, and is a native of Watsonville, CA, home to the world's best strawberries.

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Matt Wilson

Vice President, Partnerships

Matt leads the outreach, campaigning and technology efforts for the organizations that create change on Causes. Previously, Matt led the Accounts team at Salsa Labs, a leader in online organizing tech for nonprofits. He also directed the nonprofit and political sector at Mobile Commons, a mobile marketing startup. Before that he built partner programs that integrated innovative tech and leading consulting firms into the companies Convio and GetActive. After graduating from the University of Virginia with a BA in Classics, Matt worked throughout the country on four presidential campaigns.

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Emily Leathers

Director, Engineering

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Henric Trotzig

Software Engineer

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Jessica Dahl

Campaigns Director

Jessica oversees partnerships with high-profile activists and nonprofit partners to run successful campaigns on the site. Prior to joining Causes, Jessica was a Campaign Director at the Ad Council where she oversaw multiple public service advertising campaigns. Among several award winning campaigns, she managed the Haiti Disaster Relief campaign with the Red Cross that revolutionized "text to donate" fundraising and contributed to over $34 million in donations. Jessica holds a BA in Journalism from the University of Missouri and resides in Washington DC with her husband and son.

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Nebojsa Petrovic

Mobile Engineer

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Sean Parker

Founder and Chairman

Sean Parker, Chairman and Founder of Causes, is an entrepreneur with a record of launching genre-defining companies that reinvent ways to spread information online. In 1999, at the age of 19, Sean co-founded Napster with Shawn Fanning and changed how people think about and share music. In 2001, Sean co-founded Plaxo, pioneering viral engineering technology for updating contact information. Sean served as Plaxo’s president until 2004, around which time he joined with Mark Zuckerberg to launch the online social network Facebook. Sean was the founding president of Facebook from 2004-2005, again turning a technology start-up into an industry giant. Sean is also a Managing Partner of venture capital firm Founders Fund, where he looks for and supports this spirit of innovation in up-and-coming developers.

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Joe Green

Founder and Executive Board Member

Joe Green is the co-Founder of Causes, the largest online platform for activism. Joe’s approach to building online tools is rooted in his offline experience as a grassroots political organizer for federal, state, and local campaigns. Born and raised in Santa Monica, CA, he first became engaged in the political process while serving on the local public school board. Joe graduated from Harvard College in 2006 with a degree in Social Studies.