Steve Engle has resigned from his positions as XOMA‘s chief executive officer, president and chairman of the board, effective immediately. The board has appointed John Varian, a current board member, as interim chief executive officer, and W. Denman Van Ness, XOMA’s lead independent director, as chairman. The board has initiated a search for a permanent replacement to fill these positions. “During his four years at XOMA, Steve has led the team in the transformation of the comp...