Joanna Ostrem

Joanna Ostrem serves as Co-Head of Trusts, Estates & Appraisals at Christie's since April 2007, responsible for overseeing the Trust and Estates community across the Americas and leading initiatives to bring significant collections to market. With prior roles including Senior Vice President and Account Manager, Joanna has extensive experience in auction, private sales, and appraisal services. Joanna began a career at Cabinet d'Expertise Dan Coissard as a Junior Specialist and Administrator before transitioning to Christie's. Educational credentials include a Master of Arts in French from Middlebury College and a Bachelor of Arts in Art History and French from Bowdoin College, as well as completion of studies at Milton Academy between 1995 and 1999.