Joël André Ornstein (born December 31, 1954), a French-born financier.
He is the Chairman, Managing Partner and co-founder of Monument Capital Group Holdings LLC, a private equity investment firm.
He has been based for long periods in New York where he started his career as an investment banker in the early 1980s.
He has worked in alternative and private equity investing since 1989 when he established Majorn Corp., as a joint venture partner of The Carlyle Group and Euris-Rallye group.