Colleen Ritzau Leth is a specialist in museums, cultural affairs, and international relations. Trained as an art historian, she is a published author and the recipient of numerous research grants for studies on the history of collecting and museum development.

Colleen has worked internationally with government and cultural organizations including the National Museum of Denmark, the Egyptian Ministry of Culture, the Cairo Museum, the International Council on Monuments and Sites (ICOMOS), the International Center of Photography, USAID, the World Wildlife Fund, The Metropolitan Museum of Art, and Sotheby's, where she directed the Sotheby's Museum Network.

Colleen is a Creative Time Global Ambassador, Vice President of the Tauck Family Foundation, Vice Chairman of the American Friends of the Statens Museum for Kunst, and Co-Founder of BAFA, a mentorship platform for culture sector professionals.

Colleen holds a BA in Art History from Barnard College, Columbia University, an MA in Art History from New York University, and an MBA from the University of Oxford, where she was Chair of the Oxford Art & Business Network.