Executive Committee
The Executive Committee coordinates the management of the Group’s various programs and activities, with a particular focus on reviewing operational management in terms of objectives, progress and action plans, change management, HR strategy and business development.
François Jackow
Chief Executive Officer
Born in 1969 - French
François Jackow joined the Group in 1993. He is the Chief Executive Officer of Air Liquide since June 1st, 2022. He chairs the Executive Committee of which he has been a member since 2014.
After starting with Air Liquide, he has held various positions in Marketing, Business Development, Engineering and Strategy in the United States, the Netherlands and France.
From 2002 to 2007, François Jackow was in charge of Innovation, as Vice President of Research, Development, and Advanced Technologies for the Group.
From 2007 to 2011, he was President and CEO of Air Liquide Japan based in Tokyo.
From 2011 to 2014, he headed the Large Industries business line and from 2014 to 2016 was in charge of Corporate Strategy.
From 2016 to 2022, he supervised Europe Industries, Europe Healthcare and Africa / Middle East / India hubs, as well as the Healthcare business line. From 2020 to 2022 he also supervised the Innovation, Technologies and Digital / IT functions.
François Jackow’s educational background is in Research in chemistry and biology and in business administration both from France and the United States.
François Abrial
Senior Vice President
Group General Secretary
Born in 1962 - French
After 10 years working at Danone, François Abrial joined Air Liquide in 1996 as General Manager for the Carboxyque subsidiary in France.
He then took on the role of Group’s Deputy Director of Human Resources.
From 2004 to 2007, he oversaw Air Liquide’s Medical Gases and Medical Equipment business lines, before moving on to oversee the Africa and Middle East zone.
In 2010, he became Group Vice President of Human Resources and subsequently joined the Group’s Executive Committee. In 2017, he was appointed Senior Vice President in charge of the Asia Pacific Hub.
Today, he serves as General Secretary for the Group, overseeing General Control & Compliance, Legal, Public & International Affairs and Digital & IT.
François Abrial holds a business degree from the École Supérieure de Commerce de Toulouse and an Executive MBA from the École de Hautes Études Commerciales (HEC).
Ronnie Chalmers
Vice President
Chief Executive Officer of the Asia Pacific Hub
Born in 1968 - British
After working in the gas industry in both financial and commercial roles, Ronald “Ronnie” Chalmers joined the Group in 2006 as Chief Financial Officer of Air Liquide Japan, based in Tokyo.
In 2010, he was appointed Director of the Large Industries’ European Platform and subsequently took on the role of Managing Director of Air Liquide Benelux Industries in 2011.
From 2016 to 2018, he oversaw the Large Industries activity for the Europe Hub, before serving as Vice President of the Africa / Middle East / India Hub, based in Dubai.
He joined the Group’s Executive Committee in 2022.
In 2023, he was appointed CEO of the Asia Pacific Hub.
Ronnie Chalmers holds an engineering degree from Heriot-Watt University.
Marcelo Fioranelli
Vice President
Chief Executive Officer of Airgas
Born in 1968 - Brazilian
Marcelo Fioranelli joined Air Liquide in 2001 as a regional director in Brazil.
In 2008, he became CEO of Air Liquide Brazil, and moved on to take similar responsibilities at Air Liquide China in 2013.
In 2019, he was appointed Senior Vice President of Air Liquide’s Americas Hub, based in Houston, Texas.
In 2021, he joined the Group’s Executive Committee as the CEO of Airgas, the subsidiary that operates Air Liquide Group’s Industrial Merchant and Healthcare activities in the United States and is headquartered in Radnor, Pennsylvania.
Marcelo Fioranelli holds a bachelor’s degree in metallurgical engineering and an MBA in Marketing from The University Center of Faculdade de Engenharia Industrial and the Escola Superior de Propaganda e Marketing, both based in São Paulo, Brazil. Marcello also completed Management Executive Programs at international schools.
Matthieu Giard
Vice President
Chief Executive Officer of the Americas Hub
Born in 1974 - French
After initially working as a consultant, Matthieu Giard joined Air Liquide Benelux in 2004, working within the Industrial Merchant business line.
In 2007, he became Industrial Director for the Medical Gases business line in the United States, before being appointed Vice President of Operations at VitalAire Canada, Air Liquide’s healthcare-focused subsidiary, in 2009. He became the President and Chief Executive Officer of VitalAire Canada in 2011.
Between 2014 and 2018, he oversaw the Africa/Middle East/India hub. He was then appointed Vice President of the Industrial Merchant world business line as well as of the Procurement and the Efficiency Programs at Group level, and joined the Group's Executive Committee in 2019. In 2021, he also started overseeing the Hydrogen activities.
In 2023, he was appointed Chief Executive Officer of the Americas Hub.
Matthieu Giard holds an engineering degree from the Institut National des Sciences Appliquées de Lyon and a management degree from Harvard Business School.
Michael J. Graff
Executive Vice President
Overseeing the Engineering & Construction activity and chairs the Boards of Directors of the Group’s holdings in the United States
Born in 1955 - American
Michael J. Graff has over 35 years of global experience in the industrial gas, energy, refining, chemicals and polymers industries. He began his career with Amoco and BP, plc. and went on to serve as president or chief executive officer of several global chemical and polymer businesses.
He joined Air Liquide in 2007 as Executive Vice President in charge of the Americas Hub, the Electronics Business Line and the Engineering & Construction activity. He joined the Group’s Executive Committee in 2009 while also becoming Chairman of the Board of Airgas, the company that operates the Air Liquide group’s Industrial Merchant and Healthcare activities in the United States.
Today, he oversees the Engineering & Construction activity and chairs the Boards of Directors of the Group’s holdings in the United States.
Michael J. Graff holds a master’s degree in chemical engineering from Purdue University, a bachelor’s degree in chemical engineering from The Illinois Institute of Technology and completed Executive Management Programs at international schools.
Amelia Irion
Vice President
Group Human Resources Vice President
Born in 1970 - American and French
Amelia Irion has more than 25 years of international experience in Human Resources.
She began her career working for the global energy services and equipment group Schlumberger in the United States in 1998. She subsequently embarked upon an international path with the group spanning various Human Resources leadership roles in research, technology, manufacturing, and field operations across Europe and the USA.
From 2009 to 2019, she was Human Resources Director of Schlumberger’s R&D operations, before holding the same position in several operational branches. In 2019, she was appointed head of Global Human Resources Services for the group. From 2020 to 2023, she was Human Resources Vice President for the Colas Group, where she has served as a member of the Executive Committee and of the Strategic Committee.
In 2023, she joined Air Liquide as Group Human Resources Vice President and a member of the Executive Committee.
Amelia Irion holds degrees in social science and human resources from Scripps College, Ecole Normale Supérieure d’Ulm and New York University.
Armelle Levieux
Vice President
Vice President of Innovation, overseeing the Hydrogen Energy and Electronics world business lines as well as the Global Markets & Technologies division
Born in 1973 - French
Armelle Levieux joined Air Liquide in 1996 and held several roles in Business Development, Strategy and European Operations.
In 2013, she became Chief Executive Officer of Seppic, the specialty ingredients subsidiary for the Group’s Healthcare business line.
In 2017, she was appointed Vice President of Air Liquide’s Human Resources and joined the Group’s Executive Committee.
Today, she is Vice President of Innovation, overseeing the Hydrogen Energy and Electronics world business lines as well as the Global Markets & Technologies division.
Armelle Levieux holds an engineering degree from CentraleSupélec and from the Polytechnic University of Catalonia.
Emilie Mouren-Renouard
Vice President
Chief Executive Officer of the Europe Industries Hub
Born in 1979 - French
Émilie Mouren-Renouard joined Air Liquide in 2004 as a Business Developer. She then held several roles in different countries, including Research & Development in France and Business Development for Large Industries in the United States.
In 2016, she was appointed Vice President of the Packaged Gases and Welding Products business lines at Air Liquide Canada.
In 2018, she was appointed Group Vice President of Digital & IT.
She joined the Group’s Executive Committee in 2019, overseeing Innovation, Intellectual Property, Digital & IT and the Global Markets & Technologies division.
Today, she is Chief Executive Officer of the Europe Industries Hub.
Émilie Mouren-Renouard holds a mechanical engineering degree from the École Polytechnique and a degree in environmental sciences from the École Nationale des Ponts et Chaussées.
Jérôme Pelletan
Chief Financial Officer
Born in 1970 - French
Jérôme Pelletan held financial management roles at Deloitte, Accor and Hermès before joining Air Liquide in 2006 as Group Director of IFRS & Special Projects.
In 2008, he became Chief Financial Officer of Air Liquide Far Eastern, based in Taiwan, before being appointed Chief Financial Officer and Operations Controller for Latin America in 2012, based in Brazil.
He moved to Houston, Texas in 2014 and became Chief Financial Officer for the Americas Hub. In 2016, he oversaw the financial integration of Airgas after Air Liquide acquired the company.
In 2021, he was appointed Chief Financial Officer of the Group and joined the Executive Committee. He has overseen the Shareholder Services department since 2023.
Jérôme Pelletan holds a master’s degree in business and finance from the École Supérieure de Commerce et de Management (ESCEM, now known as Excelia).
Jean-Marc de Royere
Senior Vice President
Chairman of the Fondation Air Liquide and of Access Oxygen SAS
Born in 1965 - French
Jean-Marc de Royere started out at Air Liquide’s Engineering division in 1990. In 1993, he joined the Large Industries team, initially working in France and then in Hong Kong. In 1995, he was appointed Head of Group Strategic Planning before working as Head of Management Control from 1997 to 2000.
From 2000 to 2009, he oversaw the Group’s Healthcare activity and developed new services for patients at home and medical hygiene. He joined the Group’s Executive Committee during this period. At the same time, he launched a new Services division, focused on technology (including Scada) which went on to become Alizent.
From 2010 to 2013, he worked in Tokyo as Vice President of Air Liquide’s Asia-Pacific operations; this was a period of strong growth and professional development for the Group, particularly in China. He moved to Frankfurt in 2013, working there until 2018 to develop and implement the Group’s sustainability program.
He became Chairman of the Fondation Air Liquide in 2017 and Chairman of Access Oxygen SAS in 2022, leveraging the Group’s strengths to address major issues facing society, including access to oxygen in low- and middle-income countries.
Jean-Marc de Royere graduated from the École des Hautes Études Commerciales de Paris (HEC Paris).
Diana Schillag
Vice President
Chief Executive Officer of Europe Healthcare overseeing the Healthcare World Business Line, Sustainable Development and Group Procurement
Born in 1971 - German
Diana Schillag joined Air Liquide in Germany in 1995, initially working in Sales and Marketing. She moved to France in 2000 and held several senior positions, working in the E-Business, Human Resources and Sales Force Effectiveness departments.
In 2007, she was appointed CEO of Home Healthcare in Germany.
In 2012, she became Group Vice President of the Healthcare world business line and was appointed CEO of Europe Healthcare in 2016.
She joined the Group’s Executive Committee in 2019, overseeing the Healthcare business line. In 2022, she was also given responsibility for Group Procurement and the Group’s Efficiency Programs. In 2023, she was tasked with overseeing Sustainable Development and the Group’s Societal Programs, including the Air Liquide Foundation, in addition to her other roles.
Diana Schillag graduated from the KEDGE Business School.
François Venet
Senior Vice President
Overseeing the Large Industries World Business Line and Group Strategy
Born in 1962 - French
François Venet joined Air Liquide in 1988 as a development engineer and then became a product manager. He moved to the United States in 1992 where he held various management positions at Air Liquide USA, including Senior Vice President for the Industrial Merchant business line. In 2002, Francois Venet was in charge of Acquisitions, Strategy and Operations Control, before becoming Vice President for European Integration & Development in 2005, a role in which he was responsible for Central European industrial operations.
In 2007, he became Chief Executive Officer of Lurgi Group, an engineering company in Frankfurt that was acquired by Air Liquide. From 2011 to 2013, he was responsible for the Engineering & Construction activity before being appointed Executive Vice President for the Asia Pacific zone.
He joined the Group’s Executive Committee in 2014 and was appointed Executive Vice President of the Shanghai Hub in 2015, leading operations in Asia Pacific. In 2017, he became Senior Vice President, overseeing the Large Industries World Business Line and Strategy.
François Venet holds an engineering degree from the École Polytechnique and the École Nationale des Ponts et Chaussées and a business administration degree from the Collège des Ingénieurs.
Pascal Vinet
Executive Vice President
Overseeing the Europe Industries Hub, the Africa / Middle East / India Hub, the Industrial Merchant World Business Line and Group Safety & Industrial Systems
Born in 1962 - French
Pascal Vinet joined Air Liquide in 1986 after having worked for NASA in the United States.
In 1995, he was appointed Chief Executive Officer of Air Liquide Australia, before becoming Chief Operating Officer of the Group’s Industrial Merchant Business Line in France in 1998.
In 1999, he became Vice President for Research & Development before being appointed President of the Group’s Industrial Merchant Business Line in the United States in 2002.
In 2005, he was appointed Vice President in charge of the Group’s corporate operations (operations control, strategic planning, procurement, IT).
In 2010, he became Vice President, overseeing global operations for Air Liquide Healthcare, and joined the Executive Committee in 2011 in this capacity.
In 2016, he became Chief Executive Officer of Airgas, the subsidiary operating Air Liquide’s Industrial Merchant and Healthcare Business Lines in the United States, just after its acquisition by the Group.
In 2021, he was appointed Senior Vice President, overseeing the Europe Industries Hub, the Africa / Middle East / India Hub and Group Safety & Industrial Systems.
In 2023, he became Executive Vice President overseeing the Europe Industries Hub, the Africa / Middle East / India Hub, the Industrial Merchant World Business Line and Group Safety & Industrial Systems.
Pascal Vinet’s educational background is in engineering and holds a doctorate in physics from the École Centrale de Lyon.