Walter Carlson

Chief Executive Officer at TELEPHONE AND DATA SYSTEMS, INC.

Net worth: 11 M $ as of 2026-06-29

72 year

57 connections

Communications

Consumer Services

Commercial Services

Profile

Walter C.
D.
Carlson is Chairman, President & Chief Executive Officer at Telephone & Data Systems, Inc. since 2025 and Executive Chairman at Array Digital Infrastructure, Inc. since 2025.
Former positions include Director at Aerial Communications, Inc. and Senior Counsel at Sidley Austin LLP.
Education includes graduate studies at Harvard University and undergraduate studies at Yale University.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
TELEPHONE AND DATA SYSTEMS, INC. 0.22%	2026-05-20	228,609 ( 0.22% )	8 M $	2026-06-29
ARRAY DIGITAL INFRASTRUCTURE, INC. 0.08%	2026-03-01	44,628 ( 0.08% )	2 M $	2026-06-29
TELEPHONE AND DATA SYSTEMS, INC. CLASS A 0.39%	2026-03-01	28,807 ( 0.39% )	1 M $	2026-06-29

Walter Carlson active positions

Companies	Position	Start
ARRAY DIGITAL INFRASTRUCTURE, INC.	Chairman	2025-07-31
TELEPHONE AND DATA SYSTEMS, INC.	Chief Executive Officer	2025-01-31

All active positions of Walter Carlson

Former positions of Walter Carlson

Companies	Position	End
Aerial Communications, Inc. Aerial Communications, Inc. Wireless TelecommunicationsCommunications Operates as a licensee to provide personal communications services in the US	Director/Board Member	-
Sidley Austin LLP Sidley Austin LLP Miscellaneous Commercial ServicesCommercial Services Provides legal services	Corporate Officer/Principal	-

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Training of Walter Carlson

Experiences
Positions held

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Inactive

Listed companies

Private companies

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Connections

1st degree connections

1st degree companies

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Female

Members of the board

Executives

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Linked companies

Private companies	6
Telephone & Data Systems, Inc. Telephone & Data Systems, Inc. Wireless TelecommunicationsCommunications Provides wireless, telephone and broadband services	Communications
Array Digital Infrastructure, Inc. Array Digital Infrastructure, Inc. Wireless TelecommunicationsCommunications Provides wireless telecommunications services & owns and operates towers	Communications
Aerial Communications, Inc. Aerial Communications, Inc. Wireless TelecommunicationsCommunications Operates as a licensee to provide personal communications services in the US	Communications
Harvard University Harvard University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Yale University Yale University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Sidley Austin LLP Sidley Austin LLP Miscellaneous Commercial ServicesCommercial Services Provides legal services	Commercial Services