Formerly, Greg was Co-Head of Global Execution Services and Platforms responsible for KCG’s sales, products and platforms globally. Greg joined KCG in August 2013 from Goldman Sachs where he spent 13 years, most recently as a partner and global head of the firm’s equities electronic trading business. While at Goldman Sachs, Greg helped the bank expand its electronic trading franchise. Previously, Greg was a limited partner at Spear, Leeds and Kellogg (SLK) when Goldman Sachs acquired the firm in 2000. He also spent seven years at TLW Securities, most recently as its Chief Executive Officer, before it was acquired by SLK in 1999. He started his career at Mentor Graphics electronic design automation firm.