Mr Dolman, who has been with Christie's for 27 years, recently moving from the chief executive's seat to become chairman, will become the Executive Director reporting to the Authority's Chairperson, H.E. Sheikha Al Mayassa bint Hamad bin Khalifa Al Thani.
Patricia Barbizet, Chairman of the Board of Christie's and Chief Executive Officer of parent company Artemis, said: "Ed delivered vision and leadership across all parts of the business and has been a cornerstone in Christie's growth; championing strategic initiatives and expansion into new markets and client segments.
"His career has been distinguished by integrity, hard work and a huge commitment to Christie's and its enduring values."
