From the Live Earth site: http://liveearth.org/who_we_are.html
Kevin Wall founded SOS to trigger a mass-scale movement to combat our climate crisis. Wall is an Emmy Award-winning producer whose career has ranged from helping produce more than 300 concerts for artists like Bob Dylan to serving as Worldwide Executive Producer of Live 8, which brought together one of the largest audiences in history to combat poverty. He is the CEO of Control Room, which produces and distributes live music concerts on the Internet, radio, television, mobile phones, at retail stores and in theaters. Wall was Vice-Chairman of a global Internet consulting firm, where he led the strategic acquisition and organization of 42 companies to build a venture with 3,000 employees and 38 offices. He is a co-founder of a venture capital fund currently invested in the semiconductor, software and convergence sectors.