Roger A. Kuebel Chief Financial Officer Roger Kuebel has served as our chief financial officer since March 2021. From February 2014 to July 2020, Mr. Kuebel served as chief financial officer of Seaborn Networks Holdings, LLC, a developer and operator of a subsea fiber optic telecommunications network. From February 2008 to January 2014, he was treasurer at Aspen Technology, Inc., a publicly traded supplier of process optimization software to the petro-chemical industry. From February 2004 to January 2008, Mr. Kuebel served as treasurer of Global Crossing Ltd., a publicly traded telecommunications company. Previously he held positions as assistant treasurer and then treasurer for Genuity Inc., an Internet infrastructure services company, several positions increasing responsibility within the Treasury function at GTE Corporation, an international telecommunications company, and manager of financial analysis for International Paper Company. Mr. Kuebel began his finance career at Stern Stewart & Company, a boutique corporate finance consulting firm, where he served as a financial consultant. Mr. Kuebel holds an MBA from the University of Chicago and a BS in Management from Pennsylvania State University.