Avantor CEO and leadership

Q: Who is the CEO of Avantor?

The CEO of Avantor is Michael Stubblefield.

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Avantor CEO and executives

Executive Summary. Based on our data team's research, Michael Stubblefield is the Avantor's CEO. Avantor has 12,000 employees, of which 29 are in a leadership position.

Here are further demographic highlights of the leadership team:

The Avantor executive team is 24% female and 76% male.
57% of the management team is White.
9% of Avantor management is Hispanic or Latino.
9% of the management team is Black or African American.

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Name & TitleBio

Michael Stubblefield

President and Chief Executive Officer

Michael Stubblefield is our President and CEO, a position he has held since May 2014. Prior to assuming his current position, Mr. Stubblefield served as a Senior Expert for Chemicals Practice of McKinsey & Company from 2013 to 2014. Prior to this role, Mr. Stubblefield held a variety of roles at Celanese Corporation from 1994 to 2012, including Vice President and General Manager, Advanced Engineered Materials and Chief Marketing Officer. Mr. Stubblefield earned a bachelor’s degree in chemical engineering from the University of Utah, as well as an MBA from Texas A&M University-Corpus Christi.

Jonathan M. Peacock

Board Member

Thomas A. Szlosek

Executive Vice President and Chief Financial Officer

Tom Szlosek is our Executive Vice President and Chief Financial Officer. In his current role, Mr. Szlosek is responsible for our financial operations globally. Prior to joining Avantor, Mr. Szlosek served as Senior Vice President and Chief Financial Officer at Honeywell. Mr. Szlosek has also held various leadership positions at GE and Price Waterhouse LLP. Mr. Szlosek holds a bachelor’s degree in accounting from the State University of New York at Geneseo and is a Certified Public Accountant.

Christi L. Shaw

Board Member

Gregory L. Summe

Board Member

John Carethers

Board Member

Joseph R. Massaro

Board Member

Juan Andres

Board Member

Lan Kang

Board Member

Mala Murthy

Board Member

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Avantor board members

Name & TitleBio

Michael Stubblefield

President and Chief Executive Officer

Jonathan M. Peacock

Board Member

Christi L. Shaw

Board Member

Gregory L. Summe

Board Member

John Carethers

Board Member

Joseph R. Massaro

Board Member

Juan Andres

Board Member

Lan Kang

Board Member

Mala Murthy

Board Member

Michael E. Severino

Board Member

Avantor leadership demographics

Avantor gender distribution in management team

The Avantor executive team is 24% female and 76% male.
Avantor is 40% female and 60% male company-wide.

Male

76%

Company-wide: 60%

Female

24%

Company-wide: 40%

Avantor executives by race

Management Team:

The most common ethnicity among Avantor executive officers is White.
57% of the management team is White.
21% of Avantor's management is Asian.
9% of the management team is Hispanic or Latino.

Company-wide:

White is the most common ethnicity company-wide.
68% of employees are White.
11% of employees are Asian.
9% of employees are Hispanic or Latino.

Management team
General

100%

80%

60%

40%

20%

Unknown

White

Black or African American

Asian

Hispanic or Latino

Avantor jobs nearby

What employees say about the executives at Avantor

Employee reviews

1.0

A zippia user wrote a review on Jan 2024

Avantor benefits

Good medical benefits

Cons of working at Avantor

Poor management. Micromanagement from the top down. Poor pay.

Pros of working at Avantor

Never a dull moment. Good entry level

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Updated November 18, 2022

Zippia gives an in-depth look into the details of Avantor, including salaries, political affiliations, employee data, and more, in order to inform job seekers about Avantor. The employee data is based on information from people who have self-reported their past or current employments at Avantor. The data on this page is also based on data sources collected from public and open data sources on the Internet and other locations, as well as proprietary data we licensed from other companies. Sources of data may include, but are not limited to, the BLS, company filings, estimates based on those filings, H1B filings, and other public and private datasets. While we have made attempts to ensure that the information displayed are correct, Zippia is not responsible for any errors or omissions or for the results obtained from the use of this information. None of the information on this page has been provided or approved by Avantor. The data presented on this page does not represent the view of Avantor and its employees or that of Zippia.

Avantor may also be known as or be related to Avantor, Avantor Inc, Avantor Performance Materials, Avantor Performance Materials Holdings LLC, Avantor Performance Materials Holdings, LLC, Avantor Performance Materials Inc and Avantor Performance Materials, Inc.