Markel Group Inc - Company Profile

Powered by

All the sales intelligence you need on Markel Group Inc in one solution.

  • Save hours of research time with a comprehensive
    Sales Intelligence Solution.

  • Understand how Markel Group Inc fits into your total
    addressable market and Ideal Customer Profile.

  • Gain competitive edge with triggers that tell you
    when and how to engage with Markel Group Inc.

Back to companies

Get in touch about GlobalData Company reports

Contact the team or request a demo to find out how our data can drive your business forward

The following section provides information on Markel Group Inc’s senior management, executives, CEO and key decision makers and their roles in the organization. For more insight into Markel Group Inc's management and employees, unlock the full data with our company analytics monitoring tool.

Executives

Steven A. Markel

Chairman Executive Board Since: 2020 Age: 77

Mr. Steven A. Markel has been the Chairman of the company since May 2020. Prior to this, he served as the Vice Chairman of the company from 1992 to 2020. Previously, he served as a Director at Union First Market Bankshares Corporation from 2010 to 2013. Earlier, he worked as a Director of S&K Famous Brands, Inc. from 1996 to 2009. He has been assoctaed by the Company since 1975. Prior to this, Mr. Markel also served as a Director of other public companies of Union First Market Bankshares Corporation and S&K Famous Brands.

Read Hide full bio of Steven A. Markel

Thomas S. Gayner

Director; Chief Executive Officer Executive Board Since: 2023 Age: 62

Mr. Thomas S. Gayner has been the Chief Executive Officer of the company since January 2023 and is its Director since 2016. Prior to this, he served as the Co-Chief Executive Officer at the company. Previously, he served as the President and Chief Investment Officer from 2010 to 2015 and Director at The Coca-Cola Company and Graham Holdings Company.

Read Hide full bio of Thomas S. Gayner

Brian J. Costanzo

Chief Financial Officer; Chief Financial Officer - Markel Insurance Senior Management Since: 2023 Age: 47

Mr. Brian J. Costanzo has been the Chief Financial Officer of the company since December 2023. He also serves as Chief Financial Officer of Markel Insurance since December 2023. Previously, he served as the Senior Vice President of Finance, Chief Accounting Officer and Controller from 2022 to 2023. Prior to this, he held the position of Principal Financial Officer (on an interim basis) from 2023 to 2023. He also served as the Chief Accounting Officer and Controller from 2021 to 2022. Mr. Costanzo was the Controller from 2019 to 2021 and the Segment Controller - U.S. Insurance from 2014 to 2019.

Read Hide full bio of Brian J. Costanzo

Richard R. Grinnan

Chief Legal Officer; Secretary; Senior Vice President Senior Management Since: 2020 Age: 57

Mr. Richard R. Grinnan has been the Chief Legal Officer, Secretary and Senior Vice President of the company since February 2020. Previously, he served as the General Counsel and Secretary of the company from June 2014 to February 2020. Earlier, he worked as the Assistant General Counsel from August 2012 to June 2014.

Read Hide full bio of Richard R. Grinnan

Maureen Tomlinson

Senior Vice President-Operations, Canada; Head - AI, Markel International Senior Management Since: 2026
Gain a 360-degree view of Markel Group Inc and make more informed decisions for your business Gain a 360-degree view of Markel Group Inc and make more informed decisions for your business Learn more
Still looking?

Have you found what you were looking for? From start-ups to market leaders, uncover what they do and how they do it.

Explorer

Access more premium companies when you subscribe to Explorer