Susanne Widmer

Susanne Widmer


SUSANNE Widmer is an expert in Classical Modern and Contemporary Art who advises private and corporate clients interested in purchasing, selling and investing in art. She is co-founder of Global Art Source, a company launched in 2001 that specializes in Modern and Contemporary Art. It offers international clients a wide range of advisory services including acquisition sourcing, sales negotiations, cataloguing of collections, prize comparisons, framing, restoration, appraisals, condition reports as well as art historical and art market research.

SUSANNE Widmer manages both new and established collections and helps to match buyers and sellers of work of the very highest standard. She curates and manages three to four exhibitions each year at either her gallery space in Küsnacht/Zurich or other Cities in the world, showcasing the works of rising artists.

SUSANNE Widmer is regularly seen at major international art fairs including Fiac in Paris, Art Basel in both Basel and Miami Beach, Freeze Art Fair in London, Arco in Madrid, Armory Show in New York and Art Cologne in Germany. Her extensive travels enable her to track trends and fluctuations in the art market and to subsequently share these insights and her in-depth knowledge with her clients.

A native of Switzerland, Susanne Widmer has lived in the Far East and in the U.S. and brings this international experience and perspective to her work. Her status as an independent art advisor gives her the flexibility to work on a wide variety of projects for private and corporate clients. Discerning clients value her vision, taste, discretion, international outlook and attention to quality service.


BEFORE co-founding Global Art Source in 2001, Susanne Widmer worked for 12 years at Thomas Ammann Fine Art, one of the world’s most renowned galleries dealing in Classical Modern Art. The gallery features works by many prominent artists including Picasso, Giacometti, Monet, Matisse, Beckmann and Warhol.

SUSANNE Widmer worked as the personal assistant to Thomas Ammann and his sister Doris Ammann in Switzerland and in the U.S. This position provided her with the unique opportunity to discover the business of art trading from two professionals dealing at the top of the Classical Modern market. Susanne Widmer was involved in all aspects of buying and selling fine art, especially paintings and sculptures. She worked closely with private collectors, museums and galleries all over the world and regularly attended auctions at Christie’s and Sotheby’s in New York, London and Paris.

FOR four consecutive years she organized and ran the gallery’s booth at Art Basel, the world’s most prestigious art fair. She also assisted in the project to produce the Catalogue Raisonné of Andy Warhol for Thomas Ammann Fine Art.

SUSANNE Widmer served for many years as the secretary of the Swiss Art Dealer’s Association and was a long-time board member of CINOA, an international body of 32 art and antique dealer associations in 21 countries, representing about 5’000 art and antique dealers. These positions enabled her to establish valuable business relationships with directors of the world’s leading galleries in many fields of fine art.