Diethelm Keller Management AG actively manages its portfolio companies and provides advisory services, primarily in the fields of Strategy and Business development, Finance, Legal, Compliance, Audit and Information Technology. The Diethelm Keller Group is a leading provider of worldwide services in marketing & distribution, brand management and international travel. During its nearly 150-year history the Group has developed from a trading company with Swiss roots and a strong base in Asia into a diversified, internationally active enterprise. Diethelm Keller Group is a privately held company, principally owned by descendants of the founders. As of the end of 2016, the five operating units employed more than 5’000 people in 28 countries.