Michael Rubenstein

Xandr, Inc. develops a platform for real-time online advertising. The firm offers AppNexus programmable platform, AppNexus Adserver, AppNexus SSP, Yieldex Analytics, and Audience Extension. The company was founded by Michiel Nolet and Brian O'Kelley in 2007 and is headquartered in New York, NY.

DoubleClick, Inc. provided digital marketing technology and services. The company's products are being used by its clients for ad serving, rich media, video, mobile, search and affiliate marketing purposes. DoubleClick was founded in 1996 and was headquartered in New York, NY.

The Interactive Advertising Bureau is an association of companies involved in online, interactive broadcasting, email, wireless, and interactive television media. The private company is based in New York, NY. The company was founded by Stephen Goldberg, Rich A. LeFurgy, Michele Azan, and María Teresa Arnal. David Cohen has been the CEO of the company since 2020.

Part of Microsoft Corp., AppNexus Europe Ltd. is a British company that provides account management, marketing, implementation, and other support services. The company is based in London, UK and was founded in 2011.

Part of Microsoft Corp., AppNexus OAS Europe Ltd. is a British company that provides information technology services. The company is based in London, UK and was founded in 2014.

Altimar Acquisition Corp. operates as a blank check company. Its objective is to engage in effecting a merger, capital stock exchange, asset acquisition, stock purchase and reorganization. The company was founded on August 20, 2020 and is headquartered in New York, NY.

The Jewish Federation of Greater Houston provides social welfare and philanthropic services. It provides for Jewish social welfare and philanthropic works. The firm is organized into six service areas, all of which provide human, financial, and conceptual resources and programs to the Jewish community. The company was founded in 1936 and is headquartered in Houston, TX.

Altimar Acquisition Corp. III operates as a blank check company. It was formed for the purpose of effecting a merger, capital stock exchange, asset acquisition, stock purchase, reorganization, or similar business combination with one or more businesses. The company was founded on January 11, 2021 and is headquartered in New York, NY.

Liberman Broadcasting, Inc. owns and operates Spanish language radio and television stations. The company was founded by José Liberman and Lenard D. Liberman in 1987 and is headquartered in Burbank, CA.