| Raymond Harris |
Raymond Harris currently works at ADTRAN, Inc., as Chief Information Officer from 2018 and ADTRAN Holdings, Inc., as Chief Information Officer & Senior Vice President. Mr. Harris also formerly worked at Institute for Defense Analyses, as Director-Information Technology from 1997 to 2007, Johns Hopkins University Applied Physics Laboratory LLC, as Director High-Performance Computing from 2017 to 2018, and Iron Bow Technologies LLC, as Chief Information Officer & Vice President from 2010 to 2017. Mr. Harris received his graduate degree from Central Michigan University and undergraduate degree from Norfolk State University. |
| Christoph Glingener |
Christoph Glingener currently works at Adtran Networks SE, as Chief Technology Officer from 2023, Fraunhofer-Institut für Nachrichtentechnik HHI, as Trustee, Adva Optical Networking AS, as Member-Liquidation Board, and ADTRAN Holdings, Inc., as Chief Technology Officer from 2023. Dr. Glingener also formerly worked at SAGUNA Networks Ltd., as Director, Siemens Communications, Inc., as VP-Advanced Technology Optical Networks, Marconi Communications, Inc., as Head-Wireless Product Group, and ADVA Optical Networking, Inc., as Chief Technology Officer. Dr. Glingener received his graduate degree and doctorate degree from the University of Dortmund. |
| Ulrich Dopfer |
Ulrich Dopfer currently works at Adtran Networks (UK) Ltd., as Director from 2015, Adtran Networks SE, as Chief Financial Officer, ADVA Optical Networking, Inc., as President & Chief Financial Officer from 2015, Adva Optical Networking North America, Inc., as Chief Operations Officer from 2015, and ADTRAN Holdings, Inc., as Vice President-Finance & Administration from 2025. Mr. Dopfer also formerly worked at The Norcross Group, Inc., as Director-Decision Support Projects. Mr. Dopfer received his undergraduate degree from Verwaltungs- und Wirtschafts-Akademie München e. V. |
| Thomas R. Stanton |
Thomas R. Stanton currently works at ADTRAN, Inc., as Chairman & Chief Executive Officer from 2007, Adtran Networks SE, as Chief Executive Officer from 2023, ADTRAN Holdings, Inc., as Chairman, President & Chief Executive Officer, The Communications & Information Technology Association, as Director, The Economic Development Partnership of Alabama, Inc., as Director, and Cadence Bank, as Director from 2015. Mr. Stanton also formerly worked at The Telecommunications Industry Association, as Chairman, BancorpSouth, Inc., as Independent Director from 2015 to 2017, BancorpSouth Bank, as Independent Director, Federal Reserve Bank of Atlanta, as Director, E.F. Johnson Co., Inc., as Senior Director-Marketing from 1993 to 1995, Chamber of Commerce of Huntsville, as Director, Transcrypt International, Inc., as Vice President-Marketing & Engineering, and Carrier Networks, Inc., as Senior Vice President & General Manager from 2001 to 2005. Mr. Stanton received his undergraduate degree from Auburn University. |
| James Denson Wilson |
James Denson Wilson currently works at ADTRAN, Inc., as Director & Chief Revenue Officer from 2022, ADTRAN GmbH, as Managing Director from 2021, and ADTRAN Holdings, Inc., as Chief Revenue Officer from 2019. Mr. Wilson also formerly worked at Wyle Laboratories, Inc., as Manager-Engineering Operations from 1992 to 1998 and Carrier Networks, Inc., as Senior Vice President & General Manager from 2006 to 2015. Mr. Wilson received his undergraduate degree from Vanderbilt University. |
| Jacqueline Hourigan Rice |
Jacqueline Hourigan Rice currently works at Women, Inc., as Director from 2019, ADTRAN Holdings, Inc., as Independent Director from 2016, Michigan West Coast Chamber of Commerce, as Director from 2021, MillerKnoll, Inc., as Secretary & General Counsel from 2019, and Herman Miller Foundation, Inc., as Secretary from 2019. Ms. Rice also formerly worked at ADTRAN, Inc., as Independent Director from 2016 to 2022, Target Corp., as Chief Risk & Compliance Officer, Executive VP from 2014 to 2017, General Motors Co., as Chief Compliance Officer & Legal Counsel from 2013 to 2014, and Rh Associates Ltd., as Principal from 2018 to 2019. Ms. Rice received her graduate degree from the University of Detroit Mercy School of Law and undergraduate degree from James Madison College. |
| Balan Nair |
Balan Nair currently works at Liberty Latin America Ltd., as President, Chief Executive Officer & Director from 2018, Charter Communications, Inc., as Independent Director from 2013, State of Virginia, as Director-Governors Council, Central Arkansas Radiation Therapy Institute, Inc., as Director, and ADTRAN Holdings, Inc., as Independent Director from 2007. Mr. Nair also formerly worked at Society of Cable Telecommunications Engineers, Inc., as Co-Chairman, ADTRAN, Inc., as Director from 2007 to 2022, Charter Communications, Inc., as Independent Director, Telenet Group Holding NV, as Director from 2011 to 2016, Public Broadcasting of Colorado, Inc., as Director from 2013 to 2015, Northern Virginia Technology Council, as Director, Historic AOL LLC, as Chief Technology Officer & Executive VP from 2006 to 2007, Qwest Communications International, Inc., as Chief Technology & Information Officer from 2003 to 2006, Liberty Global Holdings Ltd., as Chief Technology & Innovation Officer, EVP from 2007 to 2017, Austar United Communications Pty Ltd., as Board Member from 2007 to 2011, Liberty Global, Inc., as Chief Technology Officer & Senior Vice President from 2015 to 2017, and Liberty Global Ventures, as Chief Technology Officer. Mr. Nair received his undergraduate degree and Masters Business Admin degree from Iowa State University. |
| Nikos Theodosopoulos |
Nikos Theodosopoulos is the founder of NT Advisors LLC, serving as Independent Director since 2012. Current jobs include Independent Director at Hercules Capital, Inc. since 2023 and Independent Director at ADTRAN Holdings, Inc. since 2022. Former jobs include Chairman-Supervisory Board at Adtran Networks SE from 2014 to 2022, Independent Director at Harmonic, Inc. from 2015 to 2022, Managing Director at UBS Securities LLC from 1995 to 2012, Director at Gadget Software, Inc. from 2015 to 2017, Director at Driving Management Systems, Inc., Managing Director & Head-US Equity Research at UBS Group AG, Independent Director at Arista Networks, Inc. from 2014 to 2023, Principal at AT&T Corp., Analyst at Bear, Stearns & Co., Inc. from 1994 to 2003, and Principal at Bell Laboratories, Inc. Education includes an undergraduate degree from The Trustees of Columbia University in The City of New York in 1984, a graduate degree from Stanford University in 1985, and an MBA from New York University. |
| Gregory James McCray |
Mr. Gregory J. McCray is an Independent Director at Belden, Inc., an Independent Non-Executive Director at DigitalBridge Group, Inc., a Chief Executive Officer & Director at FDH Infrastructure Services LLC, an Independent Director at ADTRAN Holdings, Inc., a President at McCray Consulting LLC and a Chief Executive Officer at FDH Infrastructure Group LLC. He is on the Board of Directors at Belden, Inc., DigitalBridge Group, Inc., Freewave Technologies, Inc., FDH Infrastructure Services LLC and ADTRAN Holdings, Inc. Mr. McCray was previously employed as an Independent Director by ADTRAN, Inc., a Chief Executive Officer by Google Fiber, Inc., a Chief Executive Officer by Aero Communications, Inc., a Chief Executive Officer & Non-Executive Director by ACAL Energy Ltd., an Independent Director by CenturyLink, Inc., a Chairman & Chief Executive Officer by Antenova Ltd., a Chairman & Chief Executive Officer by PipingHot Networks, and a Senior Vice President-Customer Operations by Lucent Technologies, Inc. He also served on the board at CenturyTel, Inc. He received his undergraduate degree from Iowa State University and a graduate degree from Purdue University. |
| Kathryn A. Walker |
Kathryn A. Walker currently works at Women, Inc., as Director from 2019, OpenAir Equity Partners LLC, as Managing Director from 2009, National Association of Corporate Directors (Heartland), as Director-Heartland Chapter, Zubie, Inc., as Director, SmartHome Ventures LLC, as Director, ADTRAN Holdings, Inc., as Independent Director from 2014, South Dakota State University, as Trustee, Missouri University of Science & Technology, as President & Trustee, and Main Street Data Corp., as Chief Technology Officer. Ms. Walker also formerly worked at ADTRAN, Inc., as Independent Director from 2014 to 2022, Sprint Corp. (Old), as Executive Vice President from 2003 to 2005, Sprint PCS, as Executive Vice President, and Sprint Communications LLC, as Chief Information & Network Officer from 1985 to 2009. Ms. Walker received her undergraduate degree in 1981 from South Dakota State University and graduate degree in 1982 from Missouri University of Science & Technology. |
