John C. Pittenger has been President of Koch Telecom Ventures Inc. since 1999. Mr. Pittenger has been Senior Vice President of Koch Industries Inc. since 2000. Mr. Pittenger served as President of Koch Ventures, Inc. Mr. Pittenger served as President of Koch Realty Inc. from December 1993 to May 1998, Managing Director of Koch Equities Inc. from January 1994 to January 1995, Vice President of Koch Properties, Inc. from December 1995 to May 1998 and Vice President, Capital Services of Koch Industries, Inc. from March 1996 to March 1998. Mr. Pittenger joined Koch from Monitor Company in 1991, where he served as Chief Financial Officer. His other professional experiences include Bain and Company; Mayer, Brown and Platt; Vinson and Elkins; and Amoco Oil. He serves as a Director of Invista Inc and Georgia-Pacific LLC. Mr. Pittenger served as a Director of Nex-Tech Aerospace Inc. and 3Di Technologies Inc. He served as a Director of Velocita Corp. since October 1999. Mr. Pittenger served as a Director of PF.Net Corp., subsidiary of Velocita Corp. and Enterprise Mortgage Acceptance Company. He serves as a member of the Massachusetts Bar. Mr. Pittenger received his JD from Harvard Law School, where he graduated with honors and his MBA from the Harvard Graduate School of Business, where he graduated as a Baker Scholar. He holds a Chemical Engineering degree from Princeton University where he graduated summa cum laude.