VIENNA, Va., Sept. 03, 2024 (GLOBE NEWSWIRE) -- Castellum, Inc. (NYSE-American: CTM) ("Company") (“Castellum”), a cybersecurity, electronic warfare, and software services company focused on the federal government, announces Andrew (“Drew”) Merriman’s promotion to Chief Operating Officer (“COO”), effective September 1, 2024. Mr. Merriman fills Castellum’s vacancy created by Glen Ives’ promotion to Chief Executive Officer (“CEO”) on July 1, 2024. “Drew is an exceptionally talented executive with deep technica ...