Thomas Gunn Navigation Services (TGNS) announce the retirement of its Customer Service Director. As member of the TGNS board and Customer Services Director, Anderson has headed up Thomas Gunn customer service and support since 1994, overseeing the team responsible for vessel outfit management services, supply of Tracings, Notices to Mariners and charts and publications. “Doug has been an instrumental part of our executive team, leading the customer service department and helping to build an international business that…