Karl Lehenbauer (born April 5, 1958) was the founder of NeoSoft in the early 1990s, which was the first

Internet Service Provider An Internet service provider (ISP) is an organization that provides a myriad of services related to accessing, using, managing, or participating in the Internet. ISPs can be organized in various forms, such as commercial, community-owned, no ...

in the southern United States as well as the first to offer

cable modem A cable modem is a type of network bridge that provides bi-directional data communication via radio frequency channels on a hybrid fiber-coaxial (HFC), radio frequency over glass (RFoG) and coaxial cable infrastructure. Cable modems are pri ...

service in

Houston, Texas Houston ( ) is the List of cities in Texas by population, most populous city in the U.S. state of Texas and in the Southern United States. Located in Southeast Texas near Galveston Bay and the Gulf of Mexico, it is the county seat, seat of ...

, among other technological milestones. NeoSoft was later sold to Internet America in 1999. Lehenbauer also wrote the Internet (

socket Socket may refer to: Mechanics * Socket wrench, a type of wrench that uses separate, removable sockets to fit different sizes of nuts and bolts * Socket head screw, a screw (or bolt) with a cylindrical head containing a socket into which the hexag ...

) capabilities of the

Tcl TCL or Tcl or TCLs may refer to: Business * TCL Technology, a Chinese consumer electronics and appliance company ** TCL Electronics, a subsidiary of TCL Technology * Texas Collegiate League, a collegiate baseball league * Trade Centre Limited ...

programming language. Lehenbauer has been contributing to the development of Internet software and protocols since 1986. Lehenbauer is the co-creator of the TclX Tcl extension, much of which has now been incorporated into

. Lehenbauer served as the CTO of Superconnect, an enterprise

cable Cable may refer to: Mechanical * Nautical cable, an assembly of three or more ropes woven against the weave of the ropes, rendering it virtually waterproof * Wire rope, a type of rope that consists of several strands of metal wire laid into a hel ...

/ telecom monitoring software company. Lehenbauer was the CTO of

FlightAware FlightAware is an American multi-national technology company that provides real-time, historical, and predictive flight tracking data and products. it is the world's largest flight tracking platform, with a network of over 32,000 ADS-B gro ...

, an aviation data and flight tracking company, from 2005 to 2021.

Recent software projects

Lehenbauer founded or is a major contributor to the following Internet software projects: *

Apache Rivet The Apache ( ) are several Southern Athabaskan language-speaking peoples of the Southwestern United States, Southwest, the Southern Plains and Northern Mexico. They are linguistically related to the Navajo. They migrated from the Athabascan ho ...

(Modern fork of NeoWebScript) * Pgtcl (Tcl interface to

PostgreSQL PostgreSQL ( ) also known as Postgres, is a free and open-source software, free and open-source relational database management system (RDBMS) emphasizing extensibility and SQL compliance. PostgreSQL features transaction processing, transactions ...

) * LdapTcl (Tcl interface to

LDAP The Lightweight Directory Access Protocol (LDAP ) is an open, vendor-neutral, industry standard application protocol for accessing and maintaining distributed Directory service, directory information services over an Internet Protocol (IP) networ ...

) * NeoWebScript (

Apache The Apache ( ) are several Southern Athabaskan language-speaking peoples of the Southwestern United States, Southwest, the Southern Plains and Northern Mexico. They are linguistically related to the Navajo. They migrated from the Athabascan ho ...

module for Tcl scripting in web pages)

Personal

Lehenbauer lives in

with his wife and two daughters. He is an avid

philanthropist Philanthropy is a form of altruism that consists of "private initiatives for the public good, focusing on quality of life". Philanthropy contrasts with business initiatives, which are private initiatives for private good, focusing on material ...

cyclist Cycling, also known as bicycling or biking, is the activity of riding a bicycle or other types of pedal-driven human-powered vehicles such as balance bikes, unicycles, tricycles, and quadricycles. Cycling is practised around the world fo ...

, and musician .

Recent appearances

* BSDCan Keynote (2014)
Tcl Conference Keynote (2013)

SXSW 2004
*

References

(8/2004)

(2/1997)

(9/1996)

(5/1996)

External links

Superconnect

FlightAware Executive Profiles: Karl Lehenbauer
{{DEFAULTSORT:Lehenbauer, Karl 1958 births Living people Free software programmers American aviators American computer businesspeople