Brian Lesser

Chief Executive Officer at

AT&T Intellectual Property II LP

Commercial Services

Technology Services

Consumer Services

Profile

Brian Lesser is Chief Executive Officer at AT&T Intellectual Property II LP since 2018.
Mr. Lesser is Chairman at InfoSum Ltd. since 2024.
Lesser is Director at Ogury Ltd. since 2023.
Lesser was Chief Executive Officer at Xandr, Inc. Mr. Lesser was Chief Executive Officer at Group M Worldwide, Inc. from 2015 to 2016.
Lesser was CEO-Xandr & AT&T Services at AT&T, Inc. Mr. Lesser was Chief Executive Officer at WPP Media.
Lesser was General Manager-Media Innovation Group at Xaxis LLC.
Lesser was Senior Vice President & General Manager at Media Innovation Group, Inc. Mr. Lesser completed undergraduate studies at the University of Pennsylvania.
Lesser earned an MBA from Columbia Business School.

Brian Lesser active positions

Companies	Position	Start
AT&T Intellectual Property II LP AT&T Intellectual Property II LP Advertising/Marketing ServicesCommercial Services Provides marketing and advertising services	Chief Executive Officer	2018-08-31
InfoSum Ltd. InfoSum Ltd. Packaged SoftwareTechnology Services Develops data collaboration platform	Chairman	2019-12-31
Ogury Ltd. Ogury Ltd. Packaged SoftwareTechnology Services Develops mobile data platform that provides the advertising ecosystem	Director/Board Member	2023-06-12

All active positions of Brian Lesser

Former positions of Brian Lesser

Companies	Position	End
Group M Worldwide LLC Group M Worldwide LLC Advertising/Marketing ServicesCommercial Services Provides advertising and marketing services	Chief Executive Officer	2026-03-03
Xaxis LLC Xaxis LLC Advertising/Marketing ServicesCommercial Services Operates as a programmatic media and technology platform	Public Communications Contact	2011-04-12
Xandr, Inc. Xandr, Inc. Packaged SoftwareTechnology Services Provides cloud based software solutions for online advertisement	Chief Executive Officer	-
AT&T INC.	Corporate Officer/Principal	-
Group M Worldwide, Inc. Group M Worldwide, Inc. Advertising/Marketing ServicesCommercial Services Provides media investment management services	Chief Executive Officer	2016-09-22

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Linked companies

Private companies	11
Xaxis LLC Xaxis LLC Advertising/Marketing ServicesCommercial Services Operates as a programmatic media and technology platform	Commercial Services
Xandr, Inc. Xandr, Inc. Packaged SoftwareTechnology Services Provides cloud based software solutions for online advertisement	Technology Services
University of Pennsylvania University of Pennsylvania Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Group M Worldwide, Inc. Group M Worldwide, Inc. Advertising/Marketing ServicesCommercial Services Provides media investment management services	Commercial Services
AT&T, Inc. AT&T, Inc. Wireless TelecommunicationsCommunications Operates as a holding company whose subsidiaries provides wireless and wireline telecommunications and broadband services	Communications
Media Innovation Group, Inc. Media Innovation Group, Inc. Information Technology ServicesTechnology Services Provides data management technology services	Technology Services
Columbia Business School Columbia Business School Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Ogury Ltd. Ogury Ltd. Packaged SoftwareTechnology Services Develops mobile data platform that provides the advertising ecosystem	Technology Services
InfoSum Ltd. InfoSum Ltd. Packaged SoftwareTechnology Services Develops data collaboration platform	Technology Services
Group M Worldwide LLC Group M Worldwide LLC Advertising/Marketing ServicesCommercial Services Provides advertising and marketing services	Commercial Services
AT&T Intellectual Property II LP AT&T Intellectual Property II LP Advertising/Marketing ServicesCommercial Services Provides marketing and advertising services	Commercial Services