Marine terminal operator Ports America on Aug. 26 announced the appointment of Matthew Leech as president and chief executive officer, effective in November. He will succeed Mark Montgomery, who is retiring, but plans to continue with the company in an advisory role. Leech is a seasoned ports and terminal executive with more than 25 years of experience in the maritime industry. Previously, he was CEO and managing director for the Americas with logistics company DP World. Prior to DP World’s acquisition of CSX World Terminals in 2005, Leech oversaw key expansion initiatives for CSX in his role as vice president,…