CHICAGO--(BUSINESS WIRE)--GATX Corporation (NYSE: GATX) today announced the election of John M. Holmes to its board of directors. Mr. Holmes will also serve as a member of the board’s Audit Committee. With the appointment of Mr. Holmes, the GATX board will now consist of 10 members, including nine independent directors. “ We are pleased to welcome John to GATX’s board of directors,” said Robert C. Lyons, president and chief executive officer of GATX. “ John is an outstanding business leader with deep intern ...