Walter Joseph “Joe” O’Brien III, head of equity sales and trading ... and later ran two other firms, according to a biography for a Richmond nonprofit where he serves on the board.

Walter O’Brien is more than the lead character on the CBS show “Scorpion.” The real-life O’Brien is the head of Scorpion Computer Services, and his exploits as an international cyber ...

This will be the last week in which Walter Investment Management Corp.’s (NYSE: WAC) Mark O’Brien will lead the company in his role as chief executive officer, the company announced Monday.

Walter J. O’Brien III, head of equity sales and trading at BB&T Corp. and a mentor to finance-minded graduates of his alma mater, the University of Richmond in Virginia, has died. He was 46.