Management Team

lori j. ryerkerk d

lori j. ryerkerk

lori j. ryerkerk

Lori J. Ryerkerk is the Chairman, Chief Executive Officer and President of Celanese Corporation, a Fortune 500 global chemical and specialty materials company based in Dallas, Texas. Celanese is a leader in the development and production of materials used in most major industrial and consumer applications. Ryerkerk was named as CEO, as well as a member of the board of directors, in May 2019. She was appointed Chairman in April 2020.

Previously, Ryerkerk was the Executive Vice President of Global Manufacturing, the largest business in Shell Downstream Inc. She led a team of 30,000 employees and contractors at refineries and chemical sites worldwide.

Ryerkerk’s expertise in the energy industry spans three-plus decades. She combines deep technical and commercial skills with a passion for the manufacturing business. Her unwavering focus on safety, environmental and social performance is the foundation on which she has overseen some of the most technically complex operations in the industry.

Ryerkerk joined Shell in May 2010 as the Regional Vice President of Manufacturing in Europe and Africa, and was responsible for the operation of five Shell Manufacturing facilities and five joint ventures. During that time, she improved operational performance of all assets in the region. In October 2013, she was named Executive Vice President of Global Manufacturing, Shell Downstream Inc.

Before joining Shell, she was Senior Vice President, Refining, Supply and Terminals at Hess Corporation, where she was responsible for two refineries, 21 terminals (and distribution network) and supply and trading.

Prior to that, Ryerkerk spent 24 years with ExxonMobil where she started her career as a process technologist at a refinery in Baton Rouge, Louisiana. Throughout her tenure at ExxonMobil, she took on a variety of operational and senior leadership roles in Refining and Chemicals Manufacturing, Power Generation, and various other groups including Supply, Economics and Planning, HSSE, and Public Affairs/Government Relations. Those assignments took her across the globe, from the U.S. to Europe to Asia.

Ryerkerk is a graduate of Iowa State University, where she completed her Chemical Engineering degree. She currently serves on the board of directors of Eaton Corporation, a leading provider of power management technologies and services; and previously she served on the board of Axalta Coating Systems, a leading provider of liquid and powder coatings. Additionally, she actively supports a variety of organizations in her hometown of Beaumont, Texas.

vanessa dupuis d

vanessa dupuis

vanessa dupuis

Vanessa Dupuis was named Senior Vice President and Chief Human Resources Officer for Celanese Corporation in February of 2021.

Vanessa joined Celanese in 2017 as the Head of Global Talent Management. In this role, she was responsible for supporting business growth by implementing strategies to attract, develop, engage and retain talent around the globe. In 2019, Vanessa assumed additional responsibilities as the Head of Human Resources for Celanese Corporate Functions, Procurement and Customer Experience. In this expanded role, Vanessa served as a strategic human resources partner to the CFO, General Counsel, Head of Procurement and Head of Customer Experience in defining and implementing workforce strategies that ensure long-term success for the Company. In 2020, Vanessa was named vice president of Global Total Rewards and HR Operations.

Over her 20-year career, Vanessa has served in a variety of human resources leadership roles across several industries such as Energy, Financial Services, Technology and Healthcare. Prior to joining Celanese, Vanessa served as Head of Executive Development & Leadership Assessments for Duke Energy; as Human Resources Executive for Bank of America; and as a Learning & Development Partner for Dell Inc.

Vanessa earned a Bachelor of Arts degree in Communications from Marist College, and a Master of Arts degree in Social & Organizational Psychology from Columbia University.

john g. fotheringham d

john g. fotheringham

john g. fotheringham

John G. Fotheringham was appointed Senior Vice President, Acetyls in April 2020, after serving as Vice President, Global Acetic Acid & Celanese Europe since January 2017.

He is responsible for Celanese’s global Acetyls business with production locations in China, South East Asia, Europe and the USA

Prior to his current roles, Fotheringham progressed through several leadership roles at Celanese, including Vice President & General Manager, Acetyl Intermediates based in Shanghai, China, and Director of Corporate Development in Dallas, TX. Fotheringham started his career at Celanese in 1991 before leaving in 2014 to join Wacker AG where he was responsible for the global Emulsions and Resins business, returning to Celanese in 2017.

Fotheringham earned his Bachelor of Science degree in Chemistry and Business Management from the Kingston University, London.

thomas f. kelly d

thomas f. kelly

thomas f. kelly

Thomas F. Kelly has been Senior Vice President, Engineered Materials for Celanese Corporation since January 2019. Tom joined the company from Cabot Microelectronics Corporation, where he served in several roles from 2016 through 2018, most recently as President of Performance Materials. Prior to Cabot Microelectronics, Tom was Director of Raw Materials Procurement for Celanese from 2012 to 2016.

Tom also served in various operational and commercial roles at Rohm and Haas, Cabot Microelectronics and Chemtura prior to joining Celanese in 2016.

Tom earned his Bachelor of Chemical Engineering from Villanova University and his Master of Business Administration from Drexel University.

Tom currently resides in Keller, Texas with his wife and daughters.

jon mortimer d

jon mortimer

jon mortimer

Jon Mortimer was named Senior Vice President, Global Manufacturing in February of 2021, after serving as vice president of Global Manufacturing since June of 2017, and previously as Vice President of Manufacturing & Operations. He has responsibility for all Celanese manufacturing operations globally including Quality, Environmental, Health and Safety, Capital Projects and Operational Excellence.

Prior to his current role, Mortimer progressed through several Celanese roles including Vice President of Manufacturing for the Advanced Engineered Materials business, manufacturing leader for Acetyls in the Asia region, as well as a member of the manufacturing management team for the Acrylates business. He joined Celanese in 2002.

Mortimer has 30 years of chemical manufacturing industry experience spanning multiple roles and responsibilities across Celanese businesses and functions. He currently serves as a member of the board of directors for the IBN Sina joint venture, as well as on the board of directors for the joint ventures overseeing the company’s acetate operations in China.

Jon earned a Bachelor of Science degree in Chemical Engineering from the University of Maryland in 1992.

a. lynne puckett d

a. lynne puckett

a. lynne puckett

A. Lynne Puckett joined Celanese Corporation in February 2019 as Senior Vice President and General Counsel. Prior to Celanese, Ms. Puckett was Senior Vice President‚ General Counsel, and Secretary of Colfax Corporation since 2010.

Prior to Colfax‚ she was a Partner with the law firm of Hogan Lovells. Her experience includes a broad range of corporate and transactional matters‚ including mergers and acquisitions‚ venture capital financings‚ debt and equity offerings‚ and general corporate and securities law matters.  Before entering the practice of law‚ Ms. Puckett worked for the U.S. Central Intelligence Agency and a major U.S. defense contractor.

Ms. Puckett holds a J.D. from the University of Maryland School of Law and a B.S. degree from James Madison University.

scott a. richardson d

scott a. richardson

scott a. richardson

Scott Richardson was named chief financial officer for Celanese Corporation in February 2018 after serving as senior vice president of the Engineered Materials business since December 2015, where he had global responsibility for strategy, product and business management, planning and portfolio development, and pipeline management. Previously, Richardson served as vice president and general manager of the Acetyl Chain since 2011. Richardson has progressed through several Celanese roles including global commercial director, Acetyls; manager of Investor Relations; business analysis manager, Acetyls; and business line controller, Polyols and Solvents. He joined Celanese in 2005.

Before joining Celanese, Richardson held various finance, operational and leadership roles at American Airlines. He earned a Bachelor of Arts in Accounting from Westminster College and a Master of Business Administration from Texas Christian University.