Radoff began his career when he dropped out of college to found NovaLink, an early internet service provider.[1] In 1991, while at NovaLink, he created Legends of Future Past, one of the first commercial MMORPGs.[1]
In 1997, he founded Eprise Corporation, a creator of Web content management software.[2][3] Eprise went public on the NASDAQ stock market in 2000[4] and was acquired by Divine Inc. in 2001.[5]
On September 21, 2006, Radoff founded GamerDNA, a social media company that developed social gaming communities and a videogame advertising network.[6] GamerDNA is now part of Live Gamer.
In March 2010, Radoff started a new social game company called Disruptor Beam that built games for Facebook.[7][8] In February 2013, the company released Game of Thrones Ascent.[9] The company ultimately sold its games to other publishers, underwent a reorganization, and relaunched as Beamable.[10]