Ed Sheehan, Jr. will retire as president and CEO of Concurrent Technologies Corp., effective June 30, after a 33-year career with the organization, including 18 years in the top leadership role. Jeffrey Harris, chairman of CTC’s board of directors, credited Sheehan with strengthening the organization’s culture and mission impact while positioning it for continued expansion. Board member Linda Thomson said Sheehan leaves behind a foundation of excellence and community engagement that will support CTC moving forward. How Has Sheehan Linked CTC’s Work to Emerging Technology Priorities? In May 2025, CTC secured multiple contract options from the U.S. Marine Corps and the Defense Logistics Agency supporting energy resilience, cybersecurity and advanced manufacturing efforts.