Roman Abramovich

London; Moscow; New York

Steel, mining, investments, technology, and professional soccer (Chelsea Football Club)

Contemporary art; Impressionism; Modern art; Postwar art

Haryanto Adikoesoemo

Jakarta, Indonesia

Energy, logistics, and real estate

Contemporary Indonesian, Asian, and Western art; Modern Indonesian, Asian, and Western art

Mohammed Afkhami

Dubai; Gstaad, Switzerland; London; New York

Private equity, real estate, and commodities

Contemporary Iranian and international art; Modern Iranian and international art

Laura Arrillaga-Andreessen and Marc Andreessen

Palo Alto, California

Philanthropy; entrepreneur

Contemporary art; Postwar art

Hélène and Bernard Arnault

Paris

Luxury goods (LVMH)

Contemporary art

Laura and John Arnold

Houston

Hedge fund

African art; Modern art; Old Masters

Laurent Asscher

Monaco

Investments

Contemporary art; Modern art

Hans Rasmus Astrup

Oslo

Shipping- and finance-related activities

Contemporary art

Pedro Barbosa

São Paulo

Investments

Contemporary art, with a focus on Brazilian and Conceptualism

Maria Arena Bell and William Bell Jr.

Los Angeles

Television production

Contemporary art; Modern art

Ernesto Bertarelli

Gstaad, Switzerland

Biotech and investments

Contemporary art; Modern art

Debra and Leon Black

New York

Investment banking

Chinese sculpture; Contemporary art; Impressionism; Modern painting; Old Masters; Works on paper

Len Blavatnik

London; New York

Investments (media, industrials, and real estate)

Contemporary art; Modern art

Neil G. Bluhm

Chicago

Real estate

Contemporary art; Postwar art

Barbara Bluhm-Kaul and Don Kaul

Chicago

Real estate; law (retired)

Contemporary art; Postwar art

Suzanne Deal Booth

Austin, Texas; Los Angeles; Rutherford, California

Investments; philanthropy

Contemporary art; Old Master drawings; Renaissance art

David Booth

Austin, Texas

Investments (Dimensional Fund Advisors)

Contemporary art

Karen and Christian Boros

Berlin

Advertising, communications, and publishing

Contemporary art

Botín Family

Santander, Spain

Banking

Contemporary art

Irma and Norman Braman

Miami Beach

Automobile dealerships

Contemporary art; Modern art

Udo Brandhorst

Munich

Insurance

Contemporary art; Postwar art

Peter M. Brant

Greenwich, Connecticut

Newsprint manufacturing

Contemporary art; Design and furniture

Edythe L. and Eli Broad

Los Angeles

Philanthropy (The Eli and Edythe Broad Foundation, The Broad Art Foundation, and The Broad Foundation)

Contemporary art

Estrellita and Daniel Brodsky

New York

Real estate

Drawings, sculptures, and paintings by architects, especially Le Corbusier; International contemporary art; International postwar art; Postwar and contemporary Latin American art

Joop van Caldenborgh

Wassenaar, the Netherlands

Chemical industry (Caldic)

Contemporary art, including sculpture, photography, artists’ books, video, and installations; Modern art

Edouard Carmignac

Paris

Asset management

Contemporary art

Miguel Chang

Hong Kong; Taipei

Real estate and investments

Impressionism; Modern art

Pierre Chen

Taipei

High-tech industry

Contemporary art; Modern art

Adrian Cheng

Hong Kong

Retail and real estate (K11 and New World Development)

Contemporary Chinese art; International contemporary art

Edmund Cheng

Singapore

Investments; Real estate development

Contemporary art

Cecilia and Chung-Kiu “CK” Cheung

Hong Kong

Real estate (CC Land Holdings)

Contemporary art; Modern art

Elizabeth and Phillip Chun

Incheon, South Korea

Integrated resorts (Paradise City)

Contemporary art

Halit Cingillioglu and Kemal Has Cingillioglu

London; Monaco

Banking

Contemporary art; Impressionism; Modern art; Postwar art

Patricia Phelps de Cisneros and Gustavo A. Cisneros

Caracas, Venezuela; Madrid; New York

Media, entertainment, digital advertising, and luxury real estate

19th-century traveler artists to Latin America; colonial art and objects from Latin America; Amazonian ethnographic objects; Contemporary Latin American art; Modern Latin American art

Alexandra and Steven A. Cohen

Greenwich, Connecticut

Investments

Contemporary art; Impressionism; Modern art

Isabel and Agustín Coppel

Culiacán, Mexico

Retail

Contemporary art

Eduardo F. Costantini

Buenos Aires

Asset management and real estate

Modern and contemporary Latin American art

Rosa and Carlos de la Cruz

Key Biscayne, Florida

Coca-Cola bottling in Puerto Rico and the Caribbean

Contemporary art

Dimitris Daskalopoulos

Athens

Entrepreneur; financial services and investment company

Contemporary art

Kasseem “Swizz Beatz” Dean and Alicia Keys

Englewood, New Jersey

Record producer and entrepreneur; musician

Contemporary art, with a focus on artists of color

Beth Rudin DeWoody

Los Angeles; New York; West Palm Beach, Florida

Real estate; Philanthropy

Contemporary art; Modern art

Lonti Ebers

London; New York; Toronto

Real estate

Contemporary art

George Economou

Athens

Investments and shipping (DryShips)

Contemporary art; Modern art; Postwar art

Stefan T. Edlis and Gael Neeson

Aspen, Colorado; Chicago

Plastics manufacturing (retired)

Contemporary art; Postwar art

Carl Gustaf Ehrnrooth

Helsinki

Construction and investments

Contemporary Scandinavian, European, and American art

Eisenberg Family

New Jersey; New York

Retail (Bed Bath & Beyond)

Contemporary art

Lawrence J. Ellison

Woodside, California

Software

Ancient to early 20th-century Japanese art; Late 19th- and early 20th-century European art

Caryl and Israel Englander

New York

Hedge fund management

Contemporary art; Contemporary photography; Modern art; Postwar art