Former President of Northrop Grumman's Mission Systems Sector Brings Extensive Defense Industry Expertise as LightPath Evolves Into a Mission-Critical Optics Supplier of Choice to Allied Militaries , /PRNewswire/ -- LightPath Technologies, Inc. (NASDAQ: LPTH) ("LightPath," the "Company," "we," or "our"), a leading provider of next-generation optics and imaging systems for both defense and commercial applications, today announced the appointment of Mark Caylor to the company's Board of Directors, effective O ...