Stephan is a highly experienced investor, entrepreneur, board member and counsel across the high technology aspects of agriculture, clean energy, biotechnology, communications and software.

He is currently a Managing Partner at Grosvenor Food & AgTech (previously called Wheatsheaf Group, LLC), a private investment arm of the Grosvenor Estate – the family office of the Grosvenor family, headed by the Duke of Westminster.  Grosvenor Food & AgTech directly operates, invests in, and helps to develop businesses in the food and agriculture sectors.  It actively manages a $500million portfolio with one of the largest investment teams in the ag-tech venture investment space, having made investments in roughly 20 different businesses in that sector.  The firm was established in 2012 with the ambition of building a global business of significance to diversify, beyond property and land, the business activities of the Grosvenor Estate.

Stephan has been a private equity investor since 1999; managing a series of private equity funds with AUM over $5Bn.  He currently serves on the Board of Directors of Benson Hill, and as a board member for the companies in which Grosvenor Food & AgTech invests, currently including the New Aerofarms, a leading controlled indoor agriculture business. He has co-founded three companies, been a board member of numerous venture-backed and publicly traded companies and has personally led more than two dozen private equity investments.  He has built a strong investment track record in the software, biotechnology, clean energy and agricultural sectors, including building and managing an investment portfolio of over $1Bn.  Stephan earned a Bachelor of Science in City Planning from the the University of Virginia School of Architecture  and was a founding member of the School’s Foundation Board of Trustees. He also holds a Juris Doctorate from the University of Virginia School of Law.