Alpha Profiles · Company Profile

AMERICAN FINANCIAL GROUP INC

Canonical company identity and public leadership record.

https://registry.alpha.ac/companies/american-financial-group-inc

Entity: Public listing published
Primary listing: NYSE: AFG
Verification: Partially verified
Last reviewed: 2026-09-16T04:47:47.997258+00:00

Overview

Alpha's canonical identity and public leadership record for AMERICAN FINANCIAL GROUP INC.

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

8 public records

Brian S. Hertzman

Senior Vice President and Chief Financial Officer

State: confirmed
Effective: From Apr 3, 2026
Confidence: 94%
Evidence: AFGC DEF 14A executive officersApr 3, 2026

Carl H. Lindner III

Co-Chief Executive Officer and Director

State: confirmed
Effective: From Apr 3, 2026
Confidence: 94%
Evidence: AFGE DEF 14A executive officersApr 3, 2026

Craig Lindner Jr.

Divisional President, AFG Real Estate Investments and Director

State: confirmed
Effective: From Apr 3, 2026
Confidence: 94%
Evidence: AFGC DEF 14A executive officersApr 3, 2026

David L. Thompson

President and Chief Operating Officer of Great American Insurance Group and Director

State: confirmed
Effective: From Apr 3, 2026
Confidence: 94%
Evidence: AFGC DEF 14A executive officersApr 3, 2026

John B. Berding

President of AFG, President of American Money Management Corporation and Director

State: confirmed
Effective: From Apr 3, 2026
Confidence: 94%
Evidence: AFGE DEF 14A executive officersApr 3, 2026

Mark A. Weiss

Senior Vice President, General Counsel and Chief Compliance Officer

State: confirmed
Effective: From Apr 3, 2026
Confidence: 94%
Evidence: AFGE DEF 14A executive officersApr 3, 2026

Michelle A. Gillis

Senior Vice President, Chief Human Resources Officer and Chief Administrative Officer

State: confirmed
Effective: From Apr 3, 2026
Confidence: 94%
Evidence: AFGE DEF 14A executive officersApr 3, 2026

S. Craig Lindner

Co-Chief Executive Officer and Director

State: confirmed
Effective: From Apr 3, 2026
Confidence: 94%
Evidence: AFGB DEF 14A executive officersApr 3, 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 Unpublished records are not interpreted as absence.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 Sep 16, 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.