$GT

$4.31 +$0.04 (1.06%) Close

$GT Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Company Executives

$GT Management Team

Mr. Ryan Waldron

President

Americas

Age 52

Compensation -

Sex Male

Mr. Don Metzelaar

Senior Vice President - Global Manufacturing and Supply Chain

Age 54

Compensation -

Sex Male

Mr. David Anckaert

Chief of Product Strategy and Planning

Age -

Compensation -

Sex Male

Ms. Nicole Gray

Chief Human Resources Officer

Senior Vice President

Age 47

Compensation -

Sex Female

Ms. Christina Zamarro

Chief Financial Officer

Executive Vice President

President - Europe

Middle East and Africa

Age 53

Compensation $5.184M USD

Sex Female

Mr. Gregory Boucharlat

Senior Vice President - Global Commercial

Age -

Compensation -

Sex Male

Mr. Ryan Reed

Vice President - Investor Relations

Age -

Compensation -

Sex Male

Ms. Laurette Koellner

Independent Chairman of the Board

Age 70

Compensation $489.8K USD

Sex Female

Mr. Mark Stewart

President

Chief Executive Officer

Director

Age 57

Compensation $25.71M USD

Sex Male

Mr. Nathaniel Madarang

President

Asia Pacific

Age 54

Compensation -

Sex Male

Mr. Christopher Helsel

Senior Vice President

Chief Technology Officer

Age 59

Compensation $3.780M USD

Sex Male

Mr. David Phillips

Senior Vice President

General Counsel

Age 49

Compensation $3.334M USD

Sex Male

Ms. Laura Duda

Senior Vice President

Chief Communications Officer

Age 55

Compensation -

Sex Female

Ms. Margaret Snyder

Vice President

Controller

Age 40

Compensation -

Sex Female

Name / Title	Age	Compensation	Sex
Mr. Ryan Waldron President Americas	52	-	Male
Mr. Don Metzelaar Senior Vice President - Global Manufacturing and Supply Chain	54	-	Male
Mr. David Anckaert Chief of Product Strategy and Planning	-	-	Male
Ms. Nicole Gray Chief Human Resources Officer Senior Vice President	47	-	Female
Ms. Christina Zamarro Chief Financial Officer Executive Vice President President - Europe Middle East and Africa	53	$5.184M USD	Female
Mr. Gregory Boucharlat Senior Vice President - Global Commercial	-	-	Male
Mr. Ryan Reed Vice President - Investor Relations	-	-	Male
Ms. Laurette Koellner Independent Chairman of the Board	70	$489.8K USD	Female
Mr. Mark Stewart President Chief Executive Officer Director	57	$25.71M USD	Male
Mr. Nathaniel Madarang President Asia Pacific	54	-	Male
Mr. Christopher Helsel Senior Vice President Chief Technology Officer	59	$3.780M USD	Male
Mr. David Phillips Senior Vice President General Counsel	49	$3.334M USD	Male
Ms. Laura Duda Senior Vice President Chief Communications Officer	55	-	Female
Ms. Margaret Snyder Vice President Controller	40	-	Female

Board of Directors

From the proxy statement filed Mar 6, 2026

Directors

serving now

Independent

11 of 13

stated in the proxy

Average tenure

7.2 years

from year joined

CEO also chairs the board

Laurette T. Koellner

Director	Age	On board	Independent	Committees	Other public boards	Pay
Norma B. Clayton	67	2022 4 years	Independent	None stated	Nucor Corporation	Not stated
James A. Firestone	71	2007 19 years	Independent	None stated	None stated	Not stated
Joseph R. Hinrichs	59	2023 3 years	Independent	None stated	None stated	Not stated
Laurette T. Koellner Board chair	71	2015 11 years	Independent	None stated	Nucor Corporation, Papa John’s International, Inc., Celestica Inc.	Not stated
Karla R. Lewis	60	2021 5 years	Independent	None stated	Reliance, Inc.	Not stated
Max H. Mitchell	62	2023 3 years	Independent	None stated	Crane Company	Not stated
Hera Siu	66	2019 7 years	Independent	None stated	Vallourec SA, ASMPT Limited	Not stated
Mark W. Stewart CEO	58	2024 2 years	Not independent	None stated	None stated	Paid as CEO
Michael R. Wessel	66	2005 21 years	Not independent	None stated	None stated	Not stated
Jason J. Winkler	51	2025 1 year	Independent	None stated	None stated	Not stated
Roger J. Wood	63	2023 3 years	Independent	None stated	Brunswick Corp, PHINIA Inc.	Not stated
John E. McGlade Leaving at the meeting	Not stated	Not stated	Independent	None stated	None stated	Not stated
Werner Geissler Leaving at the meeting	Not stated	Not stated	Independent	None stated	None stated	Not stated

Nominated to join at the meeting

Not on the board yet; they join only if elected.

Julie M. Hamilton · 60

Each director opens the passage of the proxy that names them. "Not stated" means the proxy does not say; it never means "no". Pay is the proxy's Director Compensation table; the CEO is paid as an executive.

No related-party transactions disclosed

The proxy filed Mar 6, 2026 describes a review policy but reports no transactions.

Read the policy in the proxy

The proxy also says directors, officers or their families deal with the company in the ordinary course of business, on the same terms as others. Those are not conflicts and are not listed. Read it in the proxy

Comments

Company Executives

$GT Management Team

Mr. Ryan Waldron

Mr. Don Metzelaar

Mr. David Anckaert

Ms. Nicole Gray

Ms. Christina Zamarro

Mr. Gregory Boucharlat

Mr. Ryan Reed

Ms. Laurette Koellner

Mr. Mark Stewart

Mr. Nathaniel Madarang

Mr. Christopher Helsel

Mr. David Phillips

Ms. Laura Duda

Ms. Margaret Snyder

Board of Directors

Related-party transactions

No related-party transactions disclosed