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Key People

Management

Michael Buhr, General Manager

Michael led eBay's acquisition of StumbleUpon and is General Manager of the business. Michael has been at eBay since 2003, most recently as part of eBay Inc's Corporate Strategy team and prior leading Product Management teams in the eBay Marketplaces organization. Prior to joining eBay, he worked at Palm, leading their business product and marketing teams, and at Lipstream Networks leading their marketing, product and business development teams. Michael received his BSc EE from Queen's University, Kingston, Ontario Canada.

(Source:StumbleUpon.com)

Garrett Camp, Founder & Chief Product Officer

Garrett is responsible for StumbleUpon's product design and strategy. He has guided StumbleUpon's design and development since 2001, from inception to over 3.6M members. Garrett completed his Masters in Software Engineering at the University of Calgary, where he researched collaborative systems, evolutionary algorithms and information retrieval. He is also a 2007 recipient of MIT Technology Review's TR35 award.

(Source:StumbleUpon.com)

Geoff Smith, Founder & Chief Technical Officer

Geoff has wide ranging business and technical skills. Geoff comes to StumbleUpon with a diversity of experience, including product management at a small internet firm, coordination at an environmental NPO, and software development at a company that produces management and accounting software for government and law offices. His education includes Computer Science at the University of British Columbia in Canada.

(Source:StumbleUpon.com)

Justin LaFrance, Founder & Chief Strategy Officer

Justin has extensive business experience across a wide range of domains. As a Technical Lead at a small internet firm, he successfully managed the implementation of a monetary transaction system. Justin has experience in software design, internet infrastructure implementation, pipeline simulation solutions and energy market analysis. He has an honors degree in Economics and a diploma in Object Oriented Software Technology from the University of Calgary. He has also completed certifications issued by the Canadian Securities Institute.

(Source:StumbleUpon.com)

Dave Feller, VP Marketing

Dave has vast marketing, product and business development experience. He joins the team directly from a 6-1/2 year stint at eBay and Half.com. Dave was a pre-eBay acquisition member of Half.com where he held roles managing marketing at Half, directing the evolution of the Half product, and working on Half and eBay's fixed price strategy. Most recently he managed pricing and promotions for eBay North America. Dave held prior roles at start-ups and in consulting for PwC and Ernst & Young. He has a business degree from Emory University and an MBA from the University of Florida.

(Source:StumbleUpon.com)

John Bryan, VP Business Development

John is responsible for StumbleUpon's business development & partnership activities. A native of the UK, he has spent his entire career focusing on the entertainment & digital media industries and is fascinated by the way they have merged together. An early pioneer in interactive television, John's most recent work experiences have covered the distribution of content across emerging P2P networks and the exciting explosion in personalized search and content recommendation technologies.

(Source:StumbleUpon.com)

Board of Directors

Brad O’Neill

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Stephen Russell

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Josh Kopelman

Josh Kopelman has been an entrepreneur and investor in the Internet industry since he began his career in 1992 while at the Wharton School of the University of Pennsylvania where he co-founded Infonautics Corporation – an Internet information company which went public in 1996. Following the success of Infonautics, Kopelman went on to be founder of Half.com in 1999 which was later acquired by eBay in 2000 and where he remained for three years running the business unit and growing eBay’s Media marketplace.

In late 2003 Kopelman was co-founder of TurnTide, an anti-spam company that created the world's first anti-spam router and was acquired by Symantec six months later.

In addition to being an active angel investor, Josh has served as an entrepreneur-in-residence at Comcast Interactive Capital - a $350 million venture capital fund affiliated with Comcast Corporation. Kopelman’s other experiences include five U.S. patents for his work in Internet technology and the Kopelman Foundation, a non-profit organization created by Kopelman and his wife in 2001.

Kopelman earned a Bachelor of Science degree cum laude in entrepreneurial management and marketing from The Wharton School of the University of Pennsylvania.

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