Karl Lehenbauer (born April 5, 1958) was the founder of NeoSoft in the early 1990s, which was the first Internet Service Provider in the southern United States as well as the first to offer cable modem service in Houston, Texas, among other technological milestones.
Lehenbauer also wrote the Internet (socket) capabilities of the Tcl programming language.
Lehenbauer has been contributing to the development of Internet software and protocols since 1986.
Lehenbauer served as the CTO of Superconnect, an enterprise cable/telecom monitoring software company.
Lehenbauer was the CTO of FlightAware, an aviation data and flight tracking company, from 2005 to 2021.