Mohr Davidow Ventures' Sue Siegel, the former president of Affymetrix ($AFFX), is leaving the venture group to take the reins at GE's $6 billion healthymagination project. An expert in tech platforms and molecular diagnostics, Siegel brings considerable experience in the personalized medicine field to the task. Mohr Davidow, Kleiner Perkins and other VC groups have been working with GE to identify new technologies that can cut healthcare costs by 2015. Release