Currently, Christoph Glingener is Chief Technology Officer at ADTRAN Holdings, Inc. and Chief Technology Officer at Adtran Networks SE and Chief Technology Officer for ADVA Optical Networking, Inc. (both are subsidiaries of ADTRAN Holdings, Inc.). Dr. Glingener is also on the board of Fraunhofer-Institut für Nachrichtentechnik HHI and Member-Liquidation Board at Adva Optical Networking AS.

In the past Dr. Glingener was VP-Advanced Technology Optical Networks at Siemens Communications, Inc. and Head-Wireless Product Group at Marconi Communications, Inc.

He received a graduate degree and a doctorate from the University of Dortmund.