Siegel leads GE's growth and innovation business comprised of GE Ventures, GE Licensing, and New Business Creation (NBC). She also leads Healthymagination, GE's innovation catalyst for addressing healthcare's major global challenges via partnerships to improve the quality, access and affordability of healthcare. Previously, she was president and director of Affymetrix, and led strategy, technology development, licensing, and manufacturing at Bio-Rad, DuPont, and Amersham.