Whitney Wellington Stewart (born April 27, 1982), is an American financier. He is a Vice President at Morgan Stanley and serves as a founding Venture Partner of NextGen Venture Partners. Stewart was previously with The Carlyle Group and J.P. Morgan prior to joining Morgan Stanley. He serves on the board of the Hippodrome Foundation, Living Classrooms in Washington, D.C., and the One Group. He is also a member of the Caves Valley Golf Club. Stewart graduated from St. Lawrence University with a Bachelor's degree in economics. He received his Master's degree from the Johns Hopkins University in the field of quantitative finance.