G.M. O’Connell was a founding partner as well as the CEO at Modem Media from 1987 to 2004. Modem Media was the first online marketing agency, ever. Working as Interactive Agency of Record with Fortune 50 clients, the firm established offices in 8 global business centers, with over 1,200 employees. GM is also a founding partner at Tango Modem which was founded in 2009, which develops software with a unique hybrid model of project planning in the US tightly coupled with developer resources in Buenos Aires.