Jason Tan

Sift Science, Inc. provides fraud and risk analytics services to online retailers. It specializes in account takeover, payment fraud, content abuse, promo abuse, account abuse, and device fingerprinting. The company was founded by Jason Tan and Brandon Ballinger in June 2011 and is headquartered in San Francisco, CA.

Optify is the leading provider of marketing software and services for the Real Time Web. Optify's hosted, easy-to-use platform enables businesses and online publishers to generate leads and more traffic through organic search and social media, create and manage social media campaigns, prioritize visitors and leads, and track and share results with simple but powerful enterprise scale reporting. Optify was founded in 2008 by Brian Goffman and Erez Barak and is funded by Madrona Venture Group, Triangle Peak Partners and prominent angels. They are located in Seattle, Washington with offices in Silicon Valley and Israel. They have a superstar team with experience at top companies including Microsoft, HP, Amazon.com, Zillow, Whitepages.com, and many others.

Zillow, Inc. provides online real estate services. It buys, sells, rents, finances, and remodels homes. The company was founded in 2006 and is headquartered in Seattle, WA.

Part of eLocal USA LLC, BuzzLabs, Inc. provides online media services. The company is based in Seattle, WA. The company was founded by Dou Shen. BuzzLabs was acquired by CityGrid Media LLC, part of eLocal USA LLC from January 04, 2019 on May 02, 2011.