Scott Banister's Notable Investments and Career

Scott Banister's career is marked by his entrepreneurial spirit and savvy investments. He co-founded IronPort Systems, which was later acquired by Cisco for $830 million.

Banister's experience in the tech industry began early, with a stint at PayPal where he worked with Elon Musk. He was just 25 years old at the time.

Banister's investments have been successful, with him backing companies like Uber and Twitter.

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Scott Banister is an American entrepreneur and angel investor born in 1975 in Kansas City, Missouri.

He started his career as a pioneer in the email business, founding and serving as VP of Technology at ListBot, the largest ASP for business email list hosting, which was acquired by Microsoft.

Scott Banister dropped out of the University of Illinois at Urbana-Champaign in 1996 to move to Silicon Valley.

He co-founded IronPort, an email appliance provider, with Scott Weiss in December 2000, which was acquired by Cisco for $830 million in 2007.

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Banister is also co-founder and Chairman of Zivity, a social networking site co-founded with his wife, Cyan Banister, and Jeffrey Wescott.

He was an early investor in Powerset, a startup building a natural language search engine, and sits on the company's Board of Directors.

Banister currently lives in Half Moon Bay, California with his wife Cyan.

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Scott Banister has made 131 investments, with his latest being in Barndoor AI as part of their Seed VC on May 20, 2025.

He has also invested in other notable companies such as Uber, Zappos.com, and Facebook.

Some of his other private equity investments include LiveOps, Hi5.com, Tagged.com, iLike, Causes.com, Topsy Labs, and TekTrak.

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Scott Banister co-founded SponsorNet New Media, Inc. in the summer of 1995 with fellow University of Illinois at Urbana-Champaign students Max Levchin and Luke Nosek. He created the Submit It! service while in college.

Banister left college in 1996 to co-found Submit It! Inc., where he served as vice president of technology. The company's other products included ListBot and ClickTrade.

Submit It! Inc. was acquired by LinkExchange in June 1998, which in turn was acquired by Microsoft in November 1998. This marked a significant milestone in Banister's career.

Banister then spent time working with other start-ups as a board member and investor. He was involved with eVoice, a company that created the first email-enabled home voicemail service, which was acquired by AOL in 2001.

He also contributed numerous innovations at idealab!, including the unique bid-for-placement search engine model that powers Overture. Banister's experience in this role likely helped him develop valuable skills.

In December 2000, Banister co-founded IronPort, an email appliance provider, with Scott Weiss. The company was acquired by Cisco for US$830 million in 2007.

Banister is also co-founder and chairman of Zivity, an adult-themed social networking site co-founded with his wife, Cyan Banister, and Jeffrey Wescott.

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Scott Banister has made a significant impact with his investments, and one notable aspect of his portfolio is the number of successful exits he's achieved. He has a total of 48 portfolio exits.

Scott Banister's latest portfolio exit was Popshop Live, which was acquired by CommentSold on August 22, 2023. This exit highlights Scott's ability to identify and support innovative companies.

One of the notable exits in Scott Banister's portfolio is Serve Robotics, which underwent a reverse merger with Patricia Acquisition Corp on August 10, 2023. This type of exit demonstrates Scott's willingness to take calculated risks with his investments.

Here are the details of Scott Banister's 48 portfolio exits:

Scott Banister's portfolio exits demonstrate his ability to identify and support innovative companies, and his willingness to take calculated risks with his investments.

Scott Banister, the first investor and board member at PayPal, has made headlines with his latest acquisition - a historic Hillsborough home for $23 million.

Banister is also a venture partner in Long Journey Ventures, which was co-founded by his wife, Cyan.

The 11-bedroom, 24,000-square-foot home on three acres has a wood-paneled "Oval Office" and is just one of several properties purchased by Banister's company, Willowmoss LLC.

Banister has a track record of successful investments, including co-founding anti-spam company IronPort, which sold to Cisco for $830 million in 2007.

Willowmoss LLC has been on a buying spree, picking up multiple properties in the San Rafael area, including a $6.2-million mansion and a $1.9-million home.

Marin-based agent Greg Browman represented the buyers on all three deals this year, but did not comment on the transactions.

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