People

Diane assumed the role of president in 2018, bringing a great depth of experience in the petrochemical industry, including a strong operational background in ethylene and polyethylene, as well as leadership in supply chain, sales, business development, technical marketing, and catalyst technology.

Previously, she served as the global business manager of Shell Catalysts and Technologies and general manager of Shell Chemical’s global supply chain. Her previous tenure includes Styrenics business development manager and propylene commercial manager for Chevron Phillips Chemical Company (CPChem). Diane also held leadership and technical positions at ChevronTexaco as customer service and distribution manager, operations engineer, process control engineer and facilities engineer.

Since her appointment, she has overseen considerable growth and development at Baystar, including the start-up of a new 1 million ton-per-year ethane cracker in Port Arthur as well as the nearly completed 625,000 metric ton-per-year PE unit employing Borstar® 3G technology – the largest facility of its kind in the world and a North American first.

Diane is most proud of the diverse team she has assembled and the core values they share as Baystar steps up as a fully integrated ethane-to-polyethylene company that efficiently and safely manufactures innovative, differentiated products for a high-demand market.

She holds a Bachelor of Science degree in chemical engineering and Bachelor of Science degree in economics from the University of Utah. She earned her Master of Business Administration from Rice University. When not in her office, on the road, or meeting with customers, Diane can be found in one of the plants talking with the operators and technicians.

Brad joined the Baystar leadership team in 2021, enthused by the opportunity to build a stellar team from the ground up and design a new-era approach to service excellence. He guides Baystar’s sales and marketing, procurement, customer service, supply chain, technical services and logistics for both olefins and polyethylene. With more than 30 years of experience in the polyolefins industry, Brad understands where the gaps are and offers invaluable insights into domestic and international market trends and challenges faced by manufacturers and converters. His leadership experience includes successful tenures in business development, technical sales and marketing, and product management. With a proven track record in developing both international and domestic markets, Brad takes a customer centric view to forging meaningful and long-lasting partnerships. He has worked at Sasol NA, Osterman & Co., General Electric and LyondellBasell (formerly Quantum Chemical) and traveled to 40 countries throughout his career.

Jari brings a wealth of experience across operations, technology integration, maintenance, research, and development. He has worked in the chemical manufacturing industry since 2006, beginning his career as a Researcher in R&D with Borealis. He worked in several roles with Borealis, including CAPX Investments Technology Development Manager and Borstar Production Manager at the Porvoo, Finland site. Jari moved to Texas in 2018 and became the Production Manager for the Bay 3 Borstar 3G project – to be the largest facility of its kind in the world upon completion. He was named Baystar Operations Director in October 2019.

Jari earned Bachelor’s and Master’s Degrees in Electrical and Chemical Engineering from Helsinki University and a PhD in Applied Math from the University of Oulu in Finland.

Shauna has over 25 years of experience including 10 years in the financial services industry with American General/AIG. Her strong background in finance, budgeting, analytics, systems, and process management are invaluable as Baystar leadership builds a strong foundation for accelerated growth. Prior to joining Baystar, Shauna spent 15 years upstream in the drilling and services sector at Nabors Industries where she was responsible for oversight and leadership of the worldwide operational finance team. She managed both domestic and international teams responsible for financial reporting, budgeting, compliance, and decision support for all drilling and services organizations.

Shauna holds a Bachelor of Science degree in Business/Finance from Indiana University and a Master of Business Administration from Middle Tennessee State University.

Kinga has served as General Counsel since February 2020, providing invaluable guidance on all legal, ethics and compliance matters as Baystar increases its facility assets and positions for growth. Kinga has over 25 years of experience advising global energy companies. She was attracted to Baystar based on the company’s values and strategic direction. Prior to joining the leadership team, she served as General Counsel and Joint Company Secretary of Liquefied Natural Gas Limited and Vice President and General Counsel of Pacific Drilling S.A. where she led the company through a NYSE initial public offering. Kinga earned her Bachelor’s (magna cum laude) and Doctor of Jurisprudence degrees from Texas Tech University, and started her career in the Houston offices of international law firms.

Philippe Roodhooft

Chairman and Member Representative

Executive Vice President Joint Ventures and Growth Projects, Borealis

Philippe Roodhooft is the Executive Vice President Joint Ventures and Growth Projects for Borealis and was appointed in November 2017.

He first joined Neste Chemicals in 1990 as a project engineer in Beringen, Belgium. After the merger with Statoil he became responsible for plant management in Borealis Kallo and later on in Beringen. He moved to Vienna, Austria in 2007 and since then fulfilled several senior management positions as General Manager for the Central European production sites, Senior Vice President Operations for the Borealis group of companies and Senior Vice President Supply Chain and Product Management for Polyolefins. In 2013 Philippe moved to Borouge ADP in the United Arab Emirates (UAE) as Chief Operating Officer.

He holds a Master degree Cum Laude in Applied Science from the “Katholieke Universiteit Leuven”, Belgium with a specialisation in Production Management and Electro Mechanical Engineering. Philippe was born in 1963 and is a Belgian citizen. He is married, has 2 children and lives in Vienna, Austria.

Christophe Vuillez

Member Representative

President and Chief Executive Officer - Refining and Petrochemicals, TotalEnergies

Christophe Vuillez began his career in 1988, at SNECMA (now Safran Aircraft Engines), where he led an R&D team specialized in aerodynamics and computational fluid dynamics. Christophe Vuillez joined TotalEnergies in 1994 and helped build the Leuna refinery in Germany as Operations Manager. 

In 2000, Christophe Vuillez transitioned to Louis Dreyfus to help develop its telecommunications business. After rejoining TotalEnergies in 2006, Christophe held a number of positions in the Refining & Marketing business. 

With the creation of the Refining & Chemicals segment in January 2012, Christophe Vuillez was appointed Vice President, Mergers & Acquisitions in the Strategy, Development & Research Division. 

On September 1, 2016, Christophe Vuillez was appointed Senior Vice President, Strategy, Development & Research and joined the Management Committee for Refining & Chemicals. 

On September 1, 2021, Christophe Vuillez was appointed Senior Vice President Refining & Petrochemicals Americas and President, Chief Executive Officer of TotalEnergies Petrochemicals & Refining USA, Inc. based in Houston, Texas. 

Christophe Vuillez is a graduate of the French engineering schools Ecole Polytechnique and Ecole Nationale Superieure de I'Aeronautique et de l'Espace. 

Alexander Adotevi

Member Representative

Chief Financial Officer, TotalEnergies

Alexander Adotevi began his career in 1994 at the Intel Corporation in the United Kingdom. He has worked in the UK until 2011, before transitioning to TotalEnergies Nederland NV and holding other various positions globally. Mr. Adotevi has worked in multi-national environments throughout his career, working in Germany, Paris, and The Netherlands. 

He started his employment with TotalEnergies UK Ltd in 2009 as the finance manager, tracking all aspects of the monthly performance reporting process and adhering to the budgeting process. After serving as the finance manager, he became the TotalEnergies Nederland NV finance director. 

During his time in TotalEnergies, Paris (2018-21), Mr. Adotevi served as Vice President of Corporate Finance & Project Finance, Downstream (MS/RC) and oversaw financing of large projects, coordinating the team’s working capital optimization programs, as well as serving as a board member to various initiatives. 

He currently resides in Houston as the Chief Financial Officer for TotalEnergies American Services, Inc. and for TotalEnergies Petrochemicals & Refining. Alexander Adotevi has been in this role since Sept. 2021. 

Mr. Adotevi attended the Universite de Paris II Licence with a Bachelor of Science in Economics in 1991. 

Paul Colonna

Member Representative

Vice President Polymers - Americas, TotalEnergies

Paul Colonna started his career in 1993 at Composites One LLC – a 50.1% owned Total business – as Operations Manager. He held a number of managerial roles there before moving to Cook Composites & Polymers, another joint venture majority-owned by Total, in 2004. He was Vice President of Composites until 2008 when he became President & CEO.

He joined Total in 2014 as Vice President Polymers, Americas. Since then, he has been responsible for North and South American Polymers business activities Polyethylene, Polypropylene & Polystyrene for Total.

A native of northern California, he is a graduate from California State University of Business Administration and holds a degree from UCLA Andersen School.

Eric Duchesne

Member Representative

Senior Vice President, TotalEnergies

Eric Duchesne has been serving as Senior Vice President at TotalEnergies for 9 years.

He started his career in 1991 as a graduated engineer in technical plant support and projects in polymers in France, then Scotland and Belgium. In 2011, he was appointed General Manager of TOTAL Lyon Technical Center before becoming Senior Vice President Technologies within Refining & Chemicals in 2012.   

Renowned both for his managerial skills and his expertise in the field, Eric Duchesne was appointed Senior Vice President, Technology Experts of the Total Group in 2016. Two years later, he became Senior Vice President Manufacturing & Projects and member of the Refining & Chemicals management committee (CDRC). And more recently, he joined One Tech Technical Lines as SVP on September 1^st, 2021. His team is providing technical assistance to all the TotalEnergies assets throughout the world as well as contributing to each development project.

Since the beginning of his career, Eric Duchesne has been participating in various projects and technological developments within TotalEnergies Company. 

Thomas Marthinsen

Member Representative

Head of Houston Office, Borealis

Thomas Marthinsen began his career at Borealis in 2003 as part of the shared services finance team in Belgium. Over his 17 year career with Borealis, he has held progressively more senior roles with the company, including Controller at Borealis’ compounding plant in New Jersey, USA Manager in the Financial Planning and Analysis (FP&A) department in Vienna, Austria and Regional Controller for Asia North at Borouge, Borealis’ joint venture with the Abu Dhabi National Oil Company, in Shanghai, China. Thomas currently serves as the Head of Borealis’ Office in Houston, TX and is a management team member of the Joint Venture and Growth Projects business group.

Thomas has a degree in Economics from the University of Toronto, Canada and completed his MBA from Columbia University in New York.

Wolfram Krenn

Reinhard Florey

Member Representative

Chief Financial Officer, OMV Aktiengesellschaft

Reinhard graduated in mechanical engineering and economics from Graz University of Technology while also completing his music studies at the University of Fine Arts. He started his career in corporate consulting and strategy consulting. From 2002 to 2012 he worked in different positions worldwide for Thyssen Krupp Steel. His most recent post was as CFO and deputy CEO of Outukumpu. Since July 1, 2016 Reinhard  has been the CFO of OMV Aktiengesellschaft.