the SAS Group in December. 2002 Rezidor SAS Hospitality signs a master franchise agreement with Carlson Hotels Worldwide; the agreement comes to an end in 2009. 2003 SAS acquires 49% of the shares in Estonian Air. 2004 Scandinavian Airlines Sverige, SAS Braathens, and Scandinavian Airlines Danmark are incorporated. 2006 SAS sells its remaining shares in the Rezidor Hotel Group chain. 2007 CEO and President Mats Jansson is inaugurated; SAS sells the SAS Flight Academy. 2010 CEO Jansson departs his position and is replaced by John S. Dueholm on an interim basis. 2011 Rickard Gustafson becomes the new permanent CEO. 2012 In January Spanair collapses and lead to write-downs of 1.7bn kronor by SAS. 2013 SAS sells 80% of the shares in Widerøe. 2014 SAS sells the cleaning part of SAS Ground Handling to Sodexo. 2015 SAS sells SAS Ground Handling in 14 Airports in Norway to Widerøe Ground Handling. SAS sells Blue1 to CityJet. In November Estonian Air collapses and SAS loses 2.5% of the shares. 2016 SAS sells its remaining 20% stake in Widerøe. 2020 SAS halts most of its traffic from the 16th of March due to the COVID-19 pandemic. Operations SAS Group is the main operational company in the SAS consortium. As of January 2017 the SAS Group company structure looks as follows: Core SAS Holdings Scandinavian Airlines Scandinavian Airlines Ireland SAS Cargo Group (100%) SAS Ground Handling (100%) SAS Technical Services (100%) SAS Individual Holdings Air Greenland (37.5%) Head office The SAS Group head office is currently in the SAS Frösundavik Office Building in , Solna Municipality, Sweden, in the Stockholm area. The SAS Group head office was previously located on the grounds of the Stockholm Arlanda Airport (ARN) in Sigtuna Municipality, Sweden. Before spring 2011, it was located in the SAS Frösundavik Office Building. Partners and alliances Air Greenland has an interline agreement with SAS Scandinavian Airlines is member of the Star Alliance. SAS Cargo Group is a member of the WOW Alliance List of major shareholders Presidents 1946–1948: Per Norlin 1949–1951: Per Møystad Backe 1951–1954: Per Norlin 1955–1957: Henning Throne-Holst 1958–1961: Åke Rusck 1961–1962: Curt Nicolin 1962–1969: Karl Nilsson 1969–1978: Knut Hagrup 1978–1981: Carl-Olov Munkberg 1981–1993: Jan Carlzon 1993–1994: Jan Reinås 1994–2001: Jan Stenberg 2001–2006: Jørgen Lindegaard 2007–2010: Mats Jansson 2010–2011: John S Dueholm 2011–2021: Rickard Gustafson 2021: Anko van der Werff Financial performance Prior to 2001, the SAS Group traffic figures did not