Haitsma will be responsible for pan-European activity across all markets as well as involved in the development of initiatives for Nissan's central operation.
Before joining TMW, Haitsma worked at integrated agency the Pepper Corporation for six years holding several senior positions. At director level he managed accounts including Bentley Motors, VW Financial Services, Intercontinental Hotels Group, Wolsley and Halifax.
Haitsma said: "On first meeting the senior team at TMW, I felt that I had immediate synergy with the agency.
"I look forward to the challenges ahead and applying fresh perspective on the Nissan account, while utilising my pan-European experience to deliver effective ongoing activity as well as identifying new strategic opportunities."
Chris Freeland, client services director, said: "Growing the team and bringing in the best people is vital to the success of TMW, so we are pleased to appoint another talented and ambitious individual.
"We are confident that Benn will make an immediate impact on the Nissan business, helping to devise and implement a number of creative marketing campaigns for our clients that will maximise their ROI."