Chuck Templeton

Chuck Templeton is a Chicago-based angel investor and managing partner at S2G Investments. See sector focus and contact routes.

About Chuck Templeton

Chuck Templeton is a Chicago-based angel investor and managing partner at S2G Investments, where he leads a venture firm focused on sustainable food, agriculture, oceans, and energy [1][11]. He previously founded OpenTable in 1998 and served as its CEO until its 2014 acquisition by The Priceline Group, and he was also a former Director of Grubhub [3][4]. His investment thesis centers on early-stage opportunities in AgriTech, FoodTech, ClimateTech, Energy Transition, and the Circular Economy, reflecting a commitment to sustainable agriculture and environmental technology [2][11]. Templeton typically invests as a lead or active participant, with S2G managing $2.5 billion across these sectors, though his personal angel check size is not publicly specified [10]. Notable portfolio companies include OpenTable (his own founding), Grubhub (where he was a lead investor), Venmo (lead investor), and board roles at Brightseed, Once Upon a Farm, and Flashfood [3][10][1]. He co-founded the Impact Engine incubator in Chicago to accelerate social-change startups and remains on its advisory board, emphasizing food, focus, and culture in his public commentary [3][5]. Templeton has shared investor pe

Chuck Templeton at a glance

Role
Angel Investor
Location
Chicago, IL, United States
Investor type
Individual/Angel
Focus areas
Mr. Chuck Templeton serves as a Managing Director at S2G Ventures. He also serves as Chairman at Impact Engine. He also serves as a Board Member at Blue Prairie Brands. He is passionate about early stage and emerging companies, and is focused on using business principles to find solutions to the world’s most pressing problems. He has had the pleasure of being involved with over two-dozen startups as an investor, board member, or advisor, but spends the majority of his time helping impact companies as Chairman of the Board for Impact Engine. He took his first big step as an entrepreneur in San Francisco when he founded OpenTable, which went public on the NASDAQ in May of 2009 (OPEN). He helped build an industry leading company that changed the way full-service restaurants manage their top-line growth and diners make their dinner reservations. While CEO, he recruited and hired the first management team, obtained and allocated company resources

Frequently asked about Chuck Templeton

What does Chuck Templeton invest in?
Chuck Templeton (Chicago, IL, United States) — sector focus: Mr. Chuck Templeton serves as a Managing Director at S2G Ventures. He also serves as Chairman at Impact Engine. He also serves as a Board Member at Blue Prairi….
How do I contact Chuck Templeton?
Chuck Templeton's published profile links (website, LinkedIn or X where available) are listed on the StartupFundraising.com investor profile.
Where is Chuck Templeton headquartered?
Chuck Templeton is based in Chicago, IL, United States.

Details on this firm come from filing and round data held in the StartupFundraising directory, refreshed on ingest. Founders use profiles like this one to qualify fit and to shortlist investors in Chicago.

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