Tom Noonan is a founding partner of TechOperators LLC, an early-stage technology investment firm in
Atlanta. Noonan is also Chairman of TEN Holdings, LLC, a diversified family office investment company.
Most recently, he was the General Manager of the Energy Management business of Cisco Systems,
following the acquisition of his company JouleX in 2013, where he was co-founder and CEO. A serial
entrepreneur, Noonan also co-founded Endgame Security which was acquired by Elastic N.V. in 2019.
He is also the former chairman, president and chief executive officer of Internet Security Systems, Inc.,
which was acquired by IBM for $1.8B in 2006.

Prior to co-founding ISS, Noonan held senior management positions at Dun and Bradstreet Software,
where he was vice president, worldwide marketing. He began his career as a product manager and
engineer for Rockwell Automation, specializing in real-time, automated control systems for computer-
integrated manufacturing. Noonan founded two successful technology companies while residing in
Boston: Actuation Electronics, a precision motion-control company and Leapfrog Technologies, a
software development company designed for networked control system applications.
Noonan’s management style and vision have been widely recognized by industry-leading publications
including Forbes, Business Week and Fortune. In 1999, Ernst and Young recognized him as
“Entrepreneur of the Year.” In 2002, President Bush appointed Noonan to serve on the National
Infrastructure Advisory Council (NIAC), a White House homeland defense initiative that protects
information systems critical to the nation's infrastructure, where he served under President Obama and
President Trump.

Noonan holds a mechanical engineering degree from Georgia Tech and a business degree from Harvard
University. He was elected to the Georgia Technology Hall of Fame in 2006. He is a frequent speaker at
leading industry events and serves on numerous company, industry and civic boards including
Intercontinental Exchange (ICE/NYSE), Manhattan Associates (NASDAQ: MANH), Bakkt, Inc., SalesLoft,
Automox, Grayshift, Caveonix and Polarity. Noonan also serves on committees and/or boards of
Children’s Healthcare of Atlanta, the Georgia Tech Foundation, and the Georgia Tech Athletic
Association. He is an active technology investor and is a leading philanthropist through the work of the
Thomas Noonan Family Foundation that supports education, environmental and healthcare causes
locally and nationally.