Tansel has been in his position as CEO of Al Masaood Automobiles since 2011. In 2025, Al Masaood Automobiles delivered the best Nissan results and highest operating profit since 2018 driven by multiple launches including the Nissan Patrol NISMO, INFINITI QX80 Sport, and Renault Koleos. In 2026, the company launched its new Parts Distribution Centre in KEZAD. Tansel has held roles at Nissan, INFINITI, Renault, Mercedes-Benz, Audi, Volkswagen, and General Motors. He is also the co-chair of the Nissan Dealer Advisory Board.