Ralph Victor Whitworth (October 12, 1955 – September 29, 2016)[1] was an American businessman who was a founder of Relational Investors LLC, a private investment management firm based in San Diego, California, which primarily seeks out value stocks at companies deemed to be underperforming due to poor capital allocation discipline and corporate governance. Whitworth co-founded Relational with David Batchelder in 1996; the firm manages approximately $6 billion, and Whitworth was a principal and member of the Investment Committee.