Before co-founding DataXu, he was vice president at Nokia, where he created and ran Nokia Interactive. Baker came to Nokia through its acquisition of mobile advertising leader Enpocket in 2007, where he was the founding investor and CEO.
Baker was previously a partner at venture capital firm GrandBanks Capital. He has also been executive vice president at Engage Technologies, an innovator in online advertising and behavioral targeting. An active angel investor in digital media, he is currently chairman of the board of Nexage, a mobile advertising solutions provider.
Baker holds degrees in law and telecommunications management.