Greteman Group Employee Directory
Advertising ServicesKansas, United States2-10 Employees
Alpha Charlie Marketing, formerly Greteman Group, is a small, woman-owned advertising services agency based in Wichita, Kansas. It specializes in aviation and aerospace marketing, drawing on decades of industry experience to help brands achieve market leadership and growth. The firm is led by Ashley Bowen Cook, a principal and CEO whose aviation heritage informs its approach; she is a 2025 WBJ Power 50 honoree, the 2023 Executive of the Year, and the first female board chair of the Wichita Aero Club. Its client base covers a wide range of aviation sectors, including fractional, flight training, FBO, MRO, OEM and UAS, with notable clients such as 5X5 Aviation Insurance, Aviation Partners, Clay Lacy Aviation, FlightSafety International, King Aerospace, NATA, Piedmont Airlines, USAIG and Wichita Dwight D. Eisenhower National Airport. In May 2025 the agency announced a partnership with AGC of Kansas to launch a paid media campaign targeting young adults.