Cornerstone Team

At Cornerstone, we are proud of the experience, knowledge, insight, dynamism and energy that each member of our teams brings to helping our clients every day. We know that we are only as good as our last successful trade, and that our continued success depends completely on delighting our clients with best-in-class advice, execution and support. Our teams in New York, Houston and London include seasoned brokers, administrators, market analysts and strategists, working together to build Cornerstone as a new breed of broker, providing the depth of insight and service and the broad coverage of markets that our clients demand.

Brian Murphy

Brian Murphy has over 20 years of experience in the oil markets having started his career trading on the NYMEX followed by OTC trading with Morgan Stanley, JP Morgan and Merrill Lynch in London, Singapore and the U.S. Brian has a BA from Harvard and a Masters in Finance from London School of Business.
442030741936   |   447525270106

James McManus

James McManus has over 15 years of experience in energy trading that began at Northstar Oil. Subsequent to Northstar, he worked at BNP Paribas and then went on to trade for himself between the years of 2006-2010. James is a partner at Cornerstone Futures LLC, a subsidiary of Cornerstone Global Commodities.
O 212-602-6611  |  M 917-371-8920

Lee Taylor

Lee has been in the Energy business since 1992 beginning with a short span on the floor of the New York Mercantile Exchange. Lee has been fortunate to have worked for great companies that have allowed him to build new businesses. Lee has brokered most energy products during his career but has focused on crude oil, products and options over the last decade. "We established Cornerstone Futures LLC in October of 2012 with the aspiration of creating a company that would offer its clients the best in regards of knowledge, price transparency, speed in execution with the utmost professionalism. With offices in London, New York and Houston plus a 24 hour desk in Chicago, our clients are never without someone to speak with. We offer our clients the ability to execute on both CME and ICE by either block trades or via the screen."
O 212-602-6611  |  M 908-209-7618

Perry Sendukas

Perry Sendukas has over 30 years experience in the financial world across all trading markets. Perry founded and operated a very successful hedge fund before coming back to the sell side to assist in the formation and development of the Natural Gas division of CGC in Houston. He has extensive contacts within the industry and personally knows most of the major players. Perry graduated from the University of Texas with a BBA in Finance.

Mark Monroe

Mark Monroe began his career in the natural gas markets as a broker with Reva Energy in the fall of 2010. He was invited to form Cornerstone's gas division and Houston office in 2013. Mark graduated from Drew University with a BA in Economics and Philosophy in 2008.

For further information about Cornerstone, please contact us at:


4203 Montrose Boulevard, Suite 670 Houston, TX 77006


20 Pond Square
London N6 6BA

New York

2 Park Avenue, Suite 304
New York, NY 10016