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Meet the Specialists



Kathleen Cullen
Consultant, Modern & Contemporary Art
+1 212–497–9700 ext. 187

KCullen@artnet.com

Kathleen Cullen is a curator, art advisor and art dealer with 30 years of art market experience. She has held positions at Phillips Auction House and was the independent curator for PS1, Barbara Toll Gallery, Virgin Airlines, and Chubb Insurance. She has also held positions in corporate collection acquisitions for Viart Arts Management in New York and as Vice President of Corporate Sales for Eyestorm. Kathleen continues to advise both private and corporate collections from her Chelsea office.

Lisa de Simone Porreca
Specialist, Photography
+1 212–497–9700 ext. 581

LPorreca@artnet.com
Specialty: Photographs

Lisa de Simone Porreca began her career at Phaidon Press, where she worked closely with the Publisher. Lisa’s eight year tenure at Christie’s began in 1998 as a Specialist. She then joined the team that developed Christie’s website, later moving into business-getting in the UK and Europe, working across all categories with an emphasis in Contemporary Art and Photography. Recently, she has been based in Rome working as a private dealer and advisor, collaborating with The Contemporary Arts Society, which specializes in Contemporary Photography. Lisa has worked closely with international museums, auction houses, collectors, galleries, photo agencies, publishers, artists and photographers.

Gracie Mansion
Specialist, Modern & Contemporary Art
+1 212–497–9700 ext. 494

GMansion@artnet.com
Specialty: Paintings, works on paper, sculpture, photographs and prints

Gracie Mansion is an independent curator and consultant to private collectors, corporations and museums, advising them on their acquisitions and assisting in the development of their art collections through education and exposure as well as collection management. She has over 25 years experience in all aspects of the art market. She has lectured and participated in panels on contemporary art at museums and universities in the U.S. and Europe. She opened her gallery in the East Village in 1982, later moving to SoHo and then Chelsea before closing in 2002 to concentrate on private dealing and the secondary market.

Deborah Ripley
Senior Specialist, Prints
+1 212–497–9700 ext. 174

DRipley@artnet.com
Specialty: Prints

Deborah Ripley has been an acknowledged print expert for 20 years. She is a print dealer and appraiser in New York and contributes articles to Art on Paper, a leading journal on print collecting and connoisseurship. In 1999, she was the Director of online print auctions at artnet.com. Deborah previously worked in the Print Department at Christie’s auction house, as well as at Pace Prints.

Christopher Sweet
Senior Specialist, Photography
+1 212–497–9700 ext. 165

CSweet@artnet.com
Specialty: Photography

Christopher Sweet is a photography specialist who comes to artnet from the art publishing world. Christopher holds experience as a writer, editor, publisher and curator and has worked closely with museums, galleries, photo agencies, artists and photographers. Previously, Christopher was publishing associate at the Metropolitan Museum of Art, senior editor at Harry N. Abrams and Editor in Chief of both Viking Studio (Penguin Group) and the Vendome Press.

Susanna Wenniger
Specialist, Photography
+1 212–497–9700 ext. 172

SWenniger@artnet.com
Specialty: Photography

Susanna Wenniger is a photography specialist with almost 20 years of experience working with fine art photography. She was the Director of the Laurence Miller Gallery for nine years and the Senior Photography Specialist for artnet’s Online Auctions in 1999. More recently, Susanna has served as the curator for two important private collections and has also been an advisor to photography collectors.

Max Wolf
Specialist, Modern & Contemporary Art
+1 212–497–9700 ext. 399

MWolf@artnet.com
Specialty: Paintings, works on paper, sculpture, photographs and prints

Max Wolf was introduced to fine art and antiques at his family’s Cleveland-based auction house, Wolf’s Fine Art Auctioneers/eWolf’s. Upon moving to New York, Max worked at Doyle New York before joining The Manhattan Art & Antique Center to develop an online sales platform and master catalogue for the Center’s many fine art and antique dealers. In 2005, Max founded and implemented an online auction platform at The Showplace Antique and Design Center and continued to oversee the auction and marketing department for over three years.

Lori Yarotsky
Senior Specialist, Modern & Contemporary Art
+1 212–497–9700 ext. 175

LYarotsky@artnet.com
Specialty: Paintings, works on paper, sculpture and photographs

Lori Yarotsky is a curator, art advisor and art dealer with over twenty years of experience in the fine arts industry. She has worked closely with museums and nationally and internationally prominent artists. As Director, Lori headed the contemporary division of the former Tilden-Foley Gallery, later launching her own gallery, Res Nova in New Orleans and New York City. She has worked in New York as a private dealer in the secondary market for ten years.