BOARD Members


Board of Directors

Cat Celebrezze

Director | 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.

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. A graduate of Tufts with a BFA in Photography, she is currently finishing her postgraduate work in information science to better serve PCPP’s mission.

Beth Iskander

Director | Independent Photographs Specialist, Archivist and Advisor |

Formerly Vice President and Senior Specialist in the Photographs department, Beth joined Sotheby’s in 2003 and retired in 2016. Bringing with her a wealth of knowledge and experience from 28 years at Time Inc. as Director of the Time Inc. Picture Collection. 

Nancy Lieberman

Secretary | Managing Director, Howard Greenberg Gallery |

Nancy Lieberman was the co-founder of 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.
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

Photographer |

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.

Peter Mustardo

Director | Co-Founder, The Better Image |

Peter Mustardo began his career at the George Eastman Museum in 1978. In 1985 he took a position as conservator with the NYC Municipal Archives where he became responsible for their Preservation Section, overseeing the conservation laboratory and the duplication division of the largest municipal archive in the USA. From that position he moved to the National Archives in Washington DC where he worked as their Preservation Coordinator, disseminating official preservation policy across the country from NYC to Texas, California to Alaska.
In 1991 with Nora Kennedy he formed The Better Image®, a private practice devoted to the conservation and preservation of art and historic photographs. Peter has authored a number of articles on photograph conservation and has taught and lectured on the topic in the USA and abroad.

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.

Edward Yee

Director | Vice President, Penelope Dixon & Associates, Inc. |

Starting as a computer consultant to Penelope Dixon Associates over twenty years ago, Edward Yee became increasingly involved with photographic collection management and eventually appraisals and valuation over the past two decade.  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. Presently, as a fourteen year partner in the firm he is responsible for running the New York office, serves as the CFO and data management specialist for the firm.



Howard Greenberg

Director | Founder, Howard Greenberg Gallery

Robert Pledge

President of the Board of the Catherine Leroy Fund