 WASHINGTON , July 27, 2022 PRNewswire -- Cogent Communications Holdings, Inc.Cogent NASDAQ: CCOI, one of the largest Internet service providers in the world, today announced that Dave Schaeffer, Cogents Chief Executive Officer, will participate in the following conferences: The KeyBanc Technology Leadership Forum is being held at the Grand Hyatt in Vail, CO. Dave Schaeffer will be presenting on Monday, August 8th at 10:30 a.m. 