At Threat.Technology we track over 100,000 infosec, cyber security, military and cyber startups and over 500,000 people who hold key positions in these companies. We use this directory of startups to highlight top employees, founders and board members we think deserve more appreciation than they are currently getting.
This list showcases the top Georgia, United States based Partner operating in the Security space. If you think a Partner is missing from this list, feel free to contact our editor on [email protected].
The individuals on this list have been included because of exceptional performance in one of the following categories:
- Innovation – Operating as a key part in an extremely innovative business or startup.
- Growth – Operating as a key figure in the growth and upscale of a market leading business or startup.
- Management – Showing exceptional management skills.
- Societal impact – Putting their business on the map for their positive societal or environmental impact.
Our Data – We source our data from OSINT (open source intelligence) and public directories such as Crunchbase, SemRush and many more. The data from these sources should be treated with a degree of caution and verified yourself.
Tom Noonan
General Partner and Co-Founder of TechOperators
Tom Noonan is a General Partner at TechOperators. Tom is the former chairman, president and chief executive officer of Internet Security Systems, Inc. (NASDAQ: ISSX), which was acquired in 2007 by IBM for $1.3B. Tom Noonan and Chris Klaus launched ISS in 1994 to commercialize and develop a premier network security management company. Under Tom’s leadership, ISS revenue soared from startup in 1995 to nearly $400 million dollars in its first decade. The company grew to more than 2,000 employees, with operations in more than 36 countries. Prior to co-founding ISS, Tom held senior management positions at Dun and Bradstreet Software, where he was vice president, worldwide marketing. Before joining D&B Software, he specialized in real-time, automated control systems for computer-integrated manufacturing. Earlier, Tom 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 applications. Tom’s management style and vision has 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.” Tom was recognized with the “Lifetime Achievement Award” at the RSA Security conference, the world’s largest conference dedicated to information security. Tom was also elected to the National Board of Directors for the American Electronics Association (AeA), whose mission is to serve as “the voice of the American high-tech community.” In 2002, President Bush appointed Tom 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. He currently chairs the NIAC Evaluation and Enhancement of Information Sharing and Analysis Working Group. Tom is a frequent speaker at leading industry events and has delivered keynote addresses at such venues as the G8 Summits in Kyoto, Japan and Sea Island, Georgia, Interop Las Vegas, the RSA Conference, SUMAQ Summit, CSIA Town Hall, Japan External Trade Organization, Atlanta Rotary Club, and Forbes CEO events in the United States, Singapore and Mexico. Tom holds a mechanical engineering degree from Georgia Tech and a business degree from Harvard University. He is an active participant and speaker in numerous professional societies, and serves on the board of directors for Woodruff Arts Center, Georgia Tech Foundation, Georgia Tech’s College of Computing, the Carter Center’s Board of Counselors, Metro Atlanta Chamber of Commerce and Young President’s Organization. He serves on the boards of Manhattan Associates (NASDAQ: MANH) and a number of privately held technology companies. He is also an active philanthropist through the work of the Thomas E. Noonan Family foundation which supports education, environmental and healthcare causes locally and nationally. Most recently, Tom was named a “Most Admired CEO” in Atlanta in 2015 by the Atlanta Business Chronicle. Tom is currently Chairman of Ionic Security, a TechOperators investment and a leading innovator in data security for enterprise customers.
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About TechOperators: TechOperators is a venture capital firm which focuses on solutions in software, internet, cloud computing, security, and infrastructure.
Said Mohammadioun
Managing Partner of TechOperators
Said Mohammadioun serves as the Managing Partner at TechOperators.
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About TechOperators: TechOperators is a venture capital firm which focuses on solutions in software, internet, cloud computing, security, and infrastructure.

Naveen Rajdev
Vice President & Global Head – Enterprise Business, Technology Partnerships & Marketing of ColorTokens
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About ColorTokens: ColorTokens simplifies, accelerates and automates micro-segmentation and zero trust security for all enterprise environments.
Brian Rosenzweig
Co-Founder, Partner of Joule Ventures
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About Joule Ventures: Joule is a U.S.-based partner-only seed fund investing in enterprise-focused Israeli founders
Doug Marsh
Enterprise Architect – Partner of SecretValet
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About SecretValet: An event driven delivery of encrypted information to recipients in the future based on an event taking place
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