Jan-Willem van den Dorpel serves as the Chairman of the Board and board member at Greenwich House since 2008. Additionally, Jan-Willem has been the President of NYAM LLC, a derivatives market-making firm, since 1990. Throughout an extensive career, Jan-Willem has also held board member positions with the Commodity Futures Brokers and Traders Association from 1990 to 2017, Webjet.com from 2010 to 2015, and NYBOT from 1991 to 2007.