BOARD Members


Board of Directors

Penelope Dixon

Co-Founder and President
Penelope Dixon's long career in fine-art photography, which began in the auction houses of Manhattan (Phillips Son & Neale and Argus, Ltd.), includes service on the boards of a number of arts organizations, frequent lectures to professional audiences, and contributions to articles and books. Among other works, she is the author of Photographers of the Farm Security Administration: An Annotated Bibliography. She is best known, however, as the proprietor of the well-known appraisal firm she founded some 35 years ago, Penelope Dixon & Associates, which numbers some of the most prominent photographers and collections in the world among its clients. 

Karen Gaines

Co-Founder and Executive Director
Karen Gaines is a longtime photo editor who served in that capacity at several of Time Inc. magazines, including People and Time, where she worked closely with the preeminent photojournalists of the mid- to late-twentieth century. She also ran photographic coverage for the official record of President Barack Obama’s 2009 Inauguration and worked with the Smithsonian Institution on its exhibition of those pictures. Gaines is a graduate of Tufts with a BFA in Photography and a Masters in Information and Library Science from Pratt Institute.  

Beth Iskander

Secretary | Independent Photographs Specialist, Archivist and Advisor
As Vice President/Senior Specialist in photography at Sotheby’s from 2003 to 2016 and director of the Time Inc. Picture Collection for the previous 28 years, Beth Iskander is widely renowned for her unmatched expertise in the field of photography. At the Time Inc. archive, one of the largest and most important collections in the world, she supervised everything from the cataloguing and preservation of its 20 million images to research, editing, copyright, and acquisitions. An authority on some of the 20th-century’s preeminent photojournalists—Margaret Bourke-White, Alfred Eisenstaedt, W. Eugene Smith, and all the other great TIME and LIFE photographers—she also drove the creation of a digital database for the entire collection. A frequent lecturer on archiving and databases, she is certified in the Uniform Standards of Professional Appraisal Practice (USPAP), adopted by the U.S. Congress as the official standard, and was involved in Sotheby’s most successful photo sales, including Important Photographs from The Metropolitan Museum of Art and Photographs from the Polaroid Collection. A graduate of Salem College, she did her post-graduate work in 20th-century American and European Art at the University of Illinois.

Edward Yee

Director | Vice President, Penelope Dixon & Associates, Inc.
Starting as a computer consultant to Penelope Dixon Associates in 1996, Edward Yee became increasingly involved with photographic collection management and eventually appraisals and valuation over the past two decades. While working on a myriad of appraisal projects, he specializes in the valuation of negatives, large archives & estates, including the BlackStar Archive, National Geographic, and Magnum, among many others.  His background in computer science and business has served him well as an appraisal practice requires a strong balance of art and science to bring objectivity to a field often mired in subjectivity.  As a partner in the firm for fifteen years, Edward oversees all operations and appraisals, serves as the CFO and data management specialist for the firm.  Effective 2019, while maintaining its existing organizational structure, Edward will become the sole owner of Penelope Dixon & Associates as he prepares to continue the firm’s ongoing commitment to providing the best appraisals possible in the photographic arts.  In addition to his appraisal responsibilities Edward also serves on the Executive Board of the Appraisers Association of America, where he is also treasurer, and the Board of the Photography Collections Preservation Project. 

Nancy Wolff

Director | Partner, Cowan DeBaets Abrahams & Sheppard LLP
Nancy E. Wolff is a member of the Intellectual property, media and entertainment law firm of Cowan, DeBaets, Abrahams & Sheppard, LLP located in New York, New York and Beverly Hills, CA. She represents a wide range of creative individuals and companies in all areas of digital media, licensing and publishing and serves as counsel to the Digital Media Licensing Organization. Ms. Wolff is a frequent speaker on copyright, digital media, and licensing for many organizations. She is the President of the Copyright Society of the USA, and serves on the ABA Copyright Reform Task Force. 
Ms. Wolff was selected for inclusion in Chambers USA (2017), IP: Trademark & Copyright – New York. She has also been named to the Super Lawyers Intellectual Property (New York Metro), Top 50 Female Lawyers (New York Metro) and Top 100 Lawyers (New York Metro) lists.

Sandra Craig

Director | Advisor
A native New Yorker and retired attorney, Sandra lives in Paris and Rome, where she and her husband raised their five children. She is a world traveling art collector and proponent of arts education.
In terms spanning the last 2 decades, as trustee and Board President of the Newport Art Museum, she supported its mission to champion a provocative diversity of creative voices and experiences. Committed to growing and conserving museum collections, exemplary exhibitions, preserving its historic buildings, and making art accessible, increasingly through digital means, she was guided by her belief in the power of art to inspire and transform lives. 
A believer in the transformative power of bilingual liberal arts education, for many years she has served on the boards of the American University of Paris, where currently she chairs the Student Affairs Committee, and St. Stephen’s School, Rome, Italy, where as VP she chaired the Rome Committee, and is currently Development Committee chair.


Cat Celebrezze

Creative Collections Studio Consultant, Supercargo Consulting LLC
Cat Celebrezze is Founder and Principal at Supercargo Consulting, a full service creative and estate collection management consulting firm with offices on both the East Coast and West Coast. Supercargo Consulting is a resource for collections of fine art, wine, books, photography, audio-visual material, furniture/decorative arts, and more, specializing in streamlined, cloud-based database architecture. Cat also works as CEO and Executive Producer for all music releases by East Meets West Music, the official recording label of The Ravi Shankar Foundation, including Ravi Shankar’s Grammy-winning CD, The Living Room Sessions Part 1. Cat holds a PhD in Sociology from The New School for Social research, an MA from Ohio University, and a BA from John Carroll University.

Charles Daniel “Danny” Dawson

Professor, photographer
A multi-talented artist, Prof. C. Daniel Dawson has worked as a photographer, filmmaker, curator, arts administrator, consultant and scholar. He has served as Curator of Photography, Film and Video at the Studio Museum in Harlem (NYC), Director of Special Projects at the Caribbean Cultural Center (NYC) and Curatorial Consultant and Director of Education at the Museum for African Art (NYC). Prof. Dawson has also taught seminars on African Spirituality in the Americas at Columbia University, the University of Iowa, New York University and Yale University.  

Howard Greenberg

Founder, Howard Greenberg Gallery
Howard Greenberg is one of the world's foremost photography gallerists. He is an authority on 19th and 20th century photography, and has been an acknowledged leader of establishing its value on the fine art market. In recognition of these efforts, and his matchless collection of more than 30,000 photographs, American Photo magazine proclaimed Greenberg one of the 25 most important people in photography.

Nancy Lieberman

Independent Photographs Specialist & Advisor
Nancy co-founded  Lieberman & Saul Gallery, established in 1984 as a gallery specializing in photography. Following her departure from the gallery she became a freelance photo-editor for Dorling Kinsey books, a British publisher that specialized in image driven books. She then became the Photography Specialist for Phillips Auctioneers when they were re-launching their US business. Following that she was a consulting photography appraiser for Penelope Dixon & Associates. In this period Nancy raised a child in NYC and became involved in her daughter's private school, first as chair of the parent's association and then as a member of the board of trustees.  Through this experience she became fascinated by the drama surrounding the private-school mania that was consuming NY parents and wrote a satirical novel on this topic. The novel,  Admissions, was published by Warner Books in 2004 and optioned for the cinema by Mandalay Pictures.
Nancy joined the Howard Greenberg Gallery in New York in 2006 where she is currently the managing director. The gallery is one of the leading sources for vintage photographs and photography estates.

Joel Meyerowitz

Joel Meyerowitz is a street photographer and portrait and landscape photographer. He began photographing in color in 1962 and was an early advocate of the use of color during a time when there was significant resistance to the idea of color photography as serious art. In the early 1970s he taught photography at the Cooper Union in New York City.
His work is in the collections of the International Center of Photography, Museum of Modern Art, and New York Public Library, all in New York, and the Museum of Contemporary Photography in Chicago.

Robert Pledge

President of the Board of the Catherine Leroy Fund
Robert Pledge in 1976, with a small group of highly talented photographers of various nationalities,  co-founded in New York Contact Press Images. He has curated photographic exhibitions throughout the world and sat on major international juries. Pledge is currently a member of the Board of Trustee of ‘The W. Eugene Smith Memorial Fund’ and  the President of the Board of Trustees of the  Catherine Leroy’ Fund.