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AMERICAN TOWER CORP /MA/

Canonical company identity and public leadership record.

https://registry.alpha.ac/companies/american-tower-corp-ma

Entity: Public listing published
Primary listing: NYSE: AMT
Verification: Partially verified
Last reviewed: 2026-10-15T04:45:14.815796+00:00

Overview

Alpha's canonical identity and public leadership record for American Tower.

Canonical AEGIS identity graph

Executive leadership

Current, confirmed roles are shown only when both the person Profile and supporting source record satisfy the public projection boundary. A missing role is not evidence that it does not exist.

Executive team

7 public records

Executive Vice President, Chief Operating Officer

State: confirmed
Effective: From Feb 24, 2026
Confidence: 94%
Evidence: AMT 10-K executive officersFeb 24, 2026

Senior Vice President, President and CEO, CoreSite

State: confirmed
Effective: From Feb 24, 2026
Confidence: 94%
Evidence: AMT 10-K executive officersFeb 24, 2026

Richard C. Rossi

Executive Vice President and President, U.S. Tower

State: confirmed
Effective: From Feb 24, 2026
Confidence: 94%
Evidence: AMT 10-K executive officersFeb 24, 2026

Robert J. Meyer

Senior Vice President and Chief Accounting Officer

State: confirmed
Effective: From Feb 24, 2026
Confidence: 94%
Evidence: AMT 10-K executive officersFeb 24, 2026

Rodney M. Smith

Executive Vice President, Chief Financial Officer and Treasurer

State: confirmed
Effective: From Feb 24, 2026
Confidence: 94%
Evidence: AMT 10-K executive officersFeb 24, 2026

Ruth T. Dowling

Executive Vice President, Chief Administrative Officer, General Counsel and Secretary

State: confirmed
Effective: From Feb 24, 2026
Confidence: 94%
Evidence: AMT 10-K executive officersFeb 24, 2026

Steven O. Vondran

President and Chief Executive Officer

State: confirmed
Effective: From Feb 24, 2026
Confidence: 94%
Evidence: AMT 10-K executive officersFeb 24, 2026

Governance leadership

Boards & Committees

Board and committee assignments appear only when the canonical public projection retains a current role and supporting source. Unpublished records are not interpreted as absence.

Record as of Oct 15, 2026. Chair, executive office, Lead Independent Director and committee appointments retain their separate source roles. A complete board composition denominator and committee charters are not established by a partial roster.

Board roles

11 public records

Bruce L. Tanner

Director

IndependentAudit · Chair

State: confirmed
Effective: From Jan 1, 2019
Confidence: 85%
Evidence: AMERICAN TOWER CORP /MA/ DEF 14A 2026-04-08Apr 8, 2026

Director

IndependentAuditCompensation and Human Capital

State: confirmed
Effective: From Jan 1, 2014
Confidence: 85%
Evidence: AMERICAN TOWER CORP /MA/ DEF 14A 2026-04-08Apr 8, 2026

Eugene F. Reilly

Director

IndependentCompensation and Human Capital

State: confirmed
Effective: From Jan 1, 2025
Confidence: 85%
Evidence: AMERICAN TOWER CORP /MA/ DEF 14A 2026-04-08Apr 8, 2026

Grace D. Lieblein

Director

IndependentCompensation and Human Capital · Chair

State: confirmed
Effective: From Jan 1, 2017
Confidence: 85%
Evidence: AMERICAN TOWER CORP /MA/ DEF 14A 2026-04-08Apr 8, 2026

Kelly C. Chambliss

Director

IndependentCompensation and Human Capital

State: confirmed
Effective: From Jan 1, 2022
Confidence: 85%
Evidence: AMERICAN TOWER CORP /MA/ DEF 14A 2026-04-08Apr 8, 2026

Kenneth R. Frank

Director

IndependentAuditNominating and Corporate Governance · Chair

State: confirmed
Effective: From Jan 1, 2021
Confidence: 85%
Evidence: AMERICAN TOWER CORP /MA/ DEF 14A 2026-04-08Apr 8, 2026

Director

IndependentCompensation and Human Capital

State: confirmed
Effective: From Jan 1, 2024
Confidence: 85%
Evidence: AMERICAN TOWER CORP /MA/ DEF 14A 2026-04-08Apr 8, 2026

Pamela D. A. Reeve

Director

IndependentNominating and Corporate Governance

State: confirmed
Effective: From Jan 1, 2002
Confidence: 85%
Evidence: AMERICAN TOWER CORP /MA/ DEF 14A 2026-04-08Apr 8, 2026

Rajesh Kalathur

Director

IndependentAudit

State: confirmed
Effective: From Jan 1, 2025
Confidence: 85%
Evidence: AMERICAN TOWER CORP /MA/ DEF 14A 2026-04-08Apr 8, 2026

Steven O. Vondran

Director

Not independent

State: confirmed
Effective: From Jan 1, 2024
Confidence: 85%
Evidence: AMERICAN TOWER CORP /MA/ DEF 14A 2026-04-08Apr 8, 2026

Teresa H. Clarke

Director

IndependentNominating and Corporate Governance

State: confirmed
Effective: From Jan 1, 2021
Confidence: 85%
Evidence: AMERICAN TOWER CORP /MA/ DEF 14A 2026-04-08Apr 8, 2026

Committees

3 public records

Membership and chair roles are projected from current board seats. A chair is shown only when a stored chair flag says so.

Audit

Chair: Bruce L. Tanner
Members: Bruce L. Tanner (Chair); Craig Macnab; Kenneth R. Frank; Rajesh Kalathur

Compensation and Human Capital

Chair: Grace D. Lieblein
Members: Grace D. Lieblein (Chair); Craig Macnab; Eugene F. Reilly; Kelly C. Chambliss; Neville R. Ray

Nominating and Corporate Governance

Chair: Kenneth R. Frank
Members: Kenneth R. Frank (Chair); Pamela D. A. Reeve; Teresa H. Clarke

Source record

Alpha canonical company public projection

Supports Company identity, Published leadership, Entity status boundary

Reviewed 2026-10-15T04:45:14.815796+00:00

AMERICAN TOWER CORP /MA/ Form 10-K (filed 2026-02-24)

Supports Official website

Reviewed 2026-08-29T22:20:23Z