Olga Hirshhorn, American collector of 19th and 20th century art and supporter of art museums. Washington DC, USA. 

Harriet Fulbright, Former Executive Director of the President's Committee on the Arts and Humanities under President Bill Clinton. Washington DC, USA.

Nina and Claude Gruen, San Francisco,CA. Collectors of Contemporary Russian Art. Donated their collection to Jane Voorhees Zimmerli Art Museum, Rutgers University. USA.

Claire Shipman, Washington DC, an American television journalist, currently the senior national correspondent for ABC's Good Morning America. USA.

Jay Carney, President Barack Obama's former White House Press Secretary currently the senior vice president of worldwide corporate affairs at Amazon. USA.

Dale Hokin Coudert, NYC, The American Real estate executive, marketing consultant. Member of national board directors Aspen Art Museum. Art collector. USA.

Beth Rudin de Woody, NYC American art patron, collector, curator, and philanthropist.

Charles Benenson,  An American real estate developer and investor. Art collector and philanthropist. NYC, USA.

Henry Buhl, NYC. Art collector, curator, and philanthropist. USA.

Jacqueline and Bob Shapiro, NYC. Art collectors. USA.

Donald Oresman, NYC. Art collector. USA.

Patricia Cloherty, NYC.  American businesswoman, company director, and private equity financier. She was the chairman and CEO of Delta Private Equity Partners.

David Bakalar, Boston, MA. The founder of Transitron Electronic Corporation, sculptor, art collector. USA.

Graham Allison, Boston, MA. An American political scientist and professor at the John F. Kennedy School of Government at Harvard. Art collector. USA.

Langdon Weeler, Boston, MA. The Founder, Chairman, and Managing Director at Numeric Investors LLC. Art collector. USA.

Lewis and Lynn Pollack, Santa Fe, NM. Art collectors.USA.

Joshua Smith, Washington DC, Photography collector.USA.

Studs Terkel, Chicago, IL. American author, historian, actor, and broadcaster.USA.

Martha Schneider, Chicago, IL. The founder of Schneider Gallery. Art collector. USA.

David Rotenberg, Chicago, IL. USA.

Hilliard Goldfarb, Canada. Senior Curator - Collections, Musée des Beaux-Arts de Montréal in Montreal. Canada.

George Hudson, Professor of Wittenberg University, Fulbright scholar, art collector.USA.

Robert Cherny, Professor of San Francisco State University, Fulbright scholar, art collector. USA.

John Field, Professor, Fulbright scholar, art collector.USA.

Norton Dodge, An American economist who amassed one of the largest collections of Soviet-era artUSA.

Dianne Beal and Paul Blue. An independent curator and art dealer promoting contemporary Russian art. USA.

Cindy Martin. Associate Professor and Department Head of the Maryland University.

Hilary & John Spurling, London, Great Britain.

Katia Gloger, Chief editor of Stern Magazine, and Georg Mascolo, Chief editor of Der Spiegel Magazine, Hamburg, Germany.

Gianquinto Foraboschi, Milan, Italy.

Lis Janstrup & Jens Gregerson, Denmark

Blair Ruble, Washington DC. Director of the Woodrow Wilson International Center for Scholars' Kennan Institute. USA.
Lisa & Alex Vershbow, Ambassador of the USA.
James F. Collins, ambassador of the USA.
Steven Mansbach. American historian, currently a Distinguished University Professor in History of 20th-century art at University of Maryland. USA.

Jerrold & Leona Schecter, Washington D.C. Jerrold is a writer and policy expert on Asia, Russia, and the Middle East based on his career as an award winning historian, journalist, government official and corporate officer, chairman of Schecter Communications Corporation, which he founded with his wife, Leona, an independent literary agent, in 1982. USA.

Karlheinz Stockhausen. German composer.

Eddy Gomes, musician. New York, USA.

Vance & Carol Nordman christian preachers. USA.

Eddy Gerber. Representative of Swiss airlines. Switzerland.

Ervin Hoffer, Ambassador. Switzerland.

Teresa Mavica. Curator, Italy.

Lea Snyder. Art collector, USA.

Dan Snyder. Journalist, USA.

Samuel Harrell. Art collector, USA.

Georges Ugeus, New York, USA. He was Group Executive Vice President of the New York Stock Exchange from 1996 to 2003. He is currently the CEO of Galileo Global Advisors.
Angela Giral, the director Avery Architectural and Fine Arts Library, Columbia University,USA.

Stella Kay, Moscow, Russia,

Vladimir Dudchenko. Art collector.

Olga Sviblova, Director of MMAM, Moscow, Russia.

Vera Nanivskaya. Director of the institute of prospective studies, Ukraine.

Francisco Infante. Artist, Moscow, Russia.

Alexander Mironov, Moscow, Russia. Art collector.

Svetlana Marich. Worldwide Deputy Chairman of Phillips Auction, London.

Liusine Petrosyan, Gallerist, Moscow, Russia.

Michael Alshibaya, art collector.

Pavel Antonov, photographer.

Aleksander Rozhin, academician, Moscow, Russia.

Elena Shaura, philosover, London.

Andrey Berezenkov, Moscow, Russia.

Lev Melikhov, photographer, Moscow, Russia.