Lehenbauer is a founding employee of FlightAware and has served as Chief Technology Officer since 2005. In his role as CTO, Lehenbauer leads the development and engineering teams, based in FlightAware's Houston office.
The principal architect of FlightAware's flight tracking technologies, Lehenbauer brings decades of experience designing and managing the development of large, real-time, mission critical applications spanning aircraft systems, electricity generation, transmission and distribution, and oilfield applications. He is regarded as an Internet pioneer and was the founder of the first Internet Service Provider in the Southern United States, which he sold in the 1990s. Previously, Lehenbauer served as an architect and developer for GE Aircraft Instruments' engine monitoring and analysis devices. He was a major contributor to the design of the Tcl programming language, author or coauthor of numerous Tcl extensions, and is also a contributor to The Apache Project among other open source Internet projects and protocols dating back to the mid-1980s.
Lehenbauer is an avid cyclist, kayaker and outdoorsman, as well as an ASA stock car driver and instructor. He lives in Houston with his wife, Ellyn.
Lehenbauer holds an FAA pilot certificate.
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