Management Team
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Jason L. Tienor

Chief Executive Officer

Jason Tienor is the president and chief executive officer of Telkonet. As the former president and CEO of EthoStream, Mr. Tienor co-founded and grew the high-speed Internet access vendor to become one of the largest network access providers to the hospitality industry in the nation.

Prior to founding EthoStream in 2000, Mr. Tienor was co-founder of a Milwaukee-based IT consulting firm. Mr. Tienor received a BBA in MIS and Marketing from the University of Wisconsin at Oshkosh and an MBA with an emphasis on Computer Science from Marquette University.


Jeff Sobieski

Chief Technology Officer

Jeff Sobieski has been Telkonet's Chief Technology Officer since May of 2012. From June 2008 to April 2012, Mr. Sobieski served as the Chief Operating Officer, and from December 2007 to June 2008, he served as the Vice President of Energy Management. Mr. Sobieski joined Telkonet in March 2007, following the acquisition of EthoStream, where he was CIO. Mr. Sobieski co-founded and grew EthoStream to become one of the nation's largest high-speed Internet access providers to the hospitality industry.

Prior to co-founding Ethostream, Mr. Sobieski co-founded Interactive SolutionZ, a Milwaukee-based IT consulting firm. From 1998 to 2000, he was involved in consulting and system development projects, including the project lead on developing a new software package for GE Medical and software development for Northwestern Mutual. Mr. Sobieski received a Bachelor of Science degree in Computer Science from the University of Wisconsin-Oshkosh and an MBA from Marquette University.


Matt Koch

Chief Operating Officer

Matt Koch, currently Chief Operating Officer, joined Telkonet in March 2007 as Vice President of Operations following the acquisition of EthoStream, where he was a systems engineer from 2004 to 2007. Prior to EthoStream, from 1998 to 2000 and from 2001 to 2004, Mr. Koch was a system administrator for Geneva OnLine, a regional Internet service provider specializing in wireless broadband Internet access, managing system administration and integration for web hosting, billing systems, and workflow automation.

In 2000, Mr. Koch was a system and network administrator consultant in the Silicon Valley for various companies, including Sun Microsystems and Uptilt. He received a Bachelors of Business Administration in Management Computer Systems from the University of Wisconsin-Whitewater.


John Stark

Chief Financial Officer

John Stark joined Telkonet, Inc. as its Chief Financial Officer, in November, 2015. John brings 30 years of experience as a lawyer, debt investor, asset manager, and investment banker to Telkonet, Inc. Prior to joining Telkonet, John was the Managing Principal of Water Tower Capital, LLC a nationally recognized boutique investment bank that provides capital markets solutions to middle market companies. He has also served as a director of: Abraxas Petroleum, AET Films, American Restaurant Group, Bucyrus International, Carolina Steel, Cherrydale Farms, Coldwater Portfolio Partners, Crescent Communications, IPM Automotive, LePages, NCH NuWorld Marketing, Orius Telecommunications, Peebles, PPM America, and Yunker Industries. John has an AB from Wabash College and a J. D. from Vanderbilt University School of law. He holds FINRA licenses, Series 63 and 79.


  • Telkonet, Inc.

  • www.telkonet.com
  • 20800 Swenson Drive
  • Suite #175
  • Waukesha, WI 53186
  • P: (414) 223 0473
  • F: (414) 258 8307