Joanna Ostrem is a highly accomplished professional in the field of art and antiques. She holds a Bachelor of Arts in Art History and French from Bowdoin College and a Master of Arts in French from Middlebury College. With years of experience under her belt, Ostrem has made significant contributions in various key positions in the art market.

She started her career at Christie's as Junior Specialist and Administrator at Cabinet d'Expertise Dan Coissard. From there, she rapidly climbed the ranks to become Associate Vice President, Account Manager, and then Vice President, Senior Account Manager. Finally, she served as Senior Vice President, Senior Director, and Chairman's Office. Throughout her career at Christie’s, the esteemed auction house, she was instrumental in building its client base, managing their estates, and advising them on appraisals and valuations. Currently, she serves as Co-Head, Trusts, Estates & Appraisals at Christie's.

Ostrem's impressive track record is not limited solely to her professional accomplishments. She is a skilled communicator and collaborator, and her expertise in art and antique valuation has earned her a reputation as a trusted advisor in the art market. Her passion for art and her fluency in French add to her unique perspective and has enabled her to provide her clients with invaluable insights.