TWITTER - Key Persons


Angela Minas

Job Titles:
  • Member of the Remuneration Committee
  • Member of the Council of Overseers
  • Member of the Nomination and Governance Committee
  • OSM Independent Director
Ms. Minas is a graduate of Rice University, where she earned a Bachelor of Arts in Managerial Studies and a Master of Business Administration with a concentration in Finance and Accounting She has previously served on the board of directors and audit committees of CNX Midstream Partners LP, Weatherford International plc, and Ciner Resources LP. Ms. Minas served as Vice President and Chief Financial Officer of DCP Midstream Partners. She served as Chief Financial Officer, Chief Accounting Officer and Treasurer of Constellation Energy Partners. She served as Senior Vice President, Global Consulting and Vice President, US Consulting for Science Applications International Corp. She was a Partner with Arthur Andersen LLP and also served as Partner leading North American Oil & Gas Consulting Ms. Minas currently serves as a member of the Council of Overseers of the Rice University Graduate Business School and is an NACD (National Association of Corporate Directors) Leadership Fellow and Director for Westlake Chemical Partners

Bertrand de Rotalier

Job Titles:
  • Member of the Executive Committee
  • Senior Vice President Business Line Project Line Pipe and Process

Bertrand Frischmann

Job Titles:
  • Member of the Executive Committee
  • Chief Operating Officer ( COO ) of the Americas / Acting Senior Vice President of South America
Bertrand Frischmann, 46-year old, is a graduate of the Ecole des Mines, Paris and holds an engineering degree in industrial engineering and logistics. After starting his career in the automotive and consulting sectors, he joined Vallourec in 2004 as a controller, first at corporate level and then, from 2005, at Vallourec Star in Youngstown, Ohio, where he supervised the integration of this new entity. In 2007, he was appointed Production Manager of the tube mill at Vallourec Star. This first American experience ended in 2009, when he took over the management of the Saint-Saulve tube mill in France. He stayed there for 4 years before joining Aberdeen, UK, where he became managing director of VOG UK. Back in France, he became managing director at Serimax in 2016, then Director of the OCTG & Accessories Product Line starting from 2017. April 1, 2020 Bertrand Frischmann has been appointed Senior Vice President North America, Member of the Executive Committee. Since September 5, 2023 Bertrand Frischmann has been appointed Chief Operating Officer (COO) of the Americas, covering both North and South America, he is also appointed Acting Senior Vice President of the South America region, replacing Pierre d'Archemont.

Enrico Schiappacasse

Job Titles:
  • Member of the Executive Committee
  • Senior Vice - President Strategy and Development
From 2009 to 2022, Enrico Schiappacasse held various positions within the Prysmian Group: first Director, Group Strategy and M&A, for eight years, then VP Marketing, Product and Business Development, Energy, before taking the head of the Oil and Gas Business Unit as Vice President. From 1999 to 2009, he served as Senior Manager for Value Partners, a leading strategic consulting firm in Italy. He began his career in 1998 as Operations Manager for the Barilla Group. Aged 48, Enrico holds a Master of Science in Mechanical Engineering from the University of Genoa and an EMBA from the SDA Bocconi School of Management in Milan.

Hera Siu

Job Titles:
  • Member of the Audit Committee
  • OSM Independent Director
Ms Siu holds an MBA degree and a Bachelor of Science in finance degree from the University of Nevada, Reno She possesses more than 30 years of management experience, with a profound understanding of outcome-based solutions and emerging business models. Ms. Siu has held Greater China region leadership positions spearheading growth and transformation in international renowned companies such as Cisco, Pearson, SAP, Nokia, Computer Associates and Pacific Century Cyberworks (PCCW) / Hongkong Telecom Ms. Siu spent 8 years working in the United States with Northern Telecom and Sierra Pacific Power Company before returning to China. She possesses a strong background in international business and has an in-depth understanding of the challenges customers and partners face in the region's dynamic business environment Reputed for her professional leadership and a constant aspiration to inspire, Ms. Siu was selected as one of the Annual Leaders of the Chinese Information Industry (2011,2012, 2018) and listed on the 50 Most Powerful Women, Fortune Global in 2011

Jacky Massaglia

Job Titles:
  • Member of the Executive Committee
  • Senior Vice President of North America
An engineer from the Ecole Nationale Supérieure Arts-et-Métiers with a specialization in materials, Jacky Massaglia began his career in research and development in France and then in the United States where he designed innovative products for offshore applications. He developed his knowledge of the Group's various products and markets by holding various technical and commercial positions in the American, European and Middle Eastern markets. In 2014, he took over the management of R&D and Services for North America. He later joined the corporate strategy department where he managed the financial restructuring, after which he took over the commercial management of the Project Line Pipe business line.

Laurent Dubedout

Job Titles:
  • Member of the Executive Committee
  • Senior Vice - President OCTG Services and Accessories Business Line
  • Vallourec in 2002 As an R & D Engineer
A graduate of the Ecole Nationale d'Arts et Métiers in 2001, Laurent Dubedout joined Vallourec in 2002 as an R&D engineer and quickly took on marketing & Development functions for the Oil & Gas market. He continued his career internationally by taking on the position of Vice President Marketing and Development for North America in 2005 and developed the On Shore US product and service offerings and participated in the group's growth in the US market. Back in France, he became Industrial Excellence Manager and then Director of Marketing and Development for Oil & Gas. From 2015 to 2020, based in Singapore, he managed the South East Asia region. At the end of this mission, he took over the worldwide responsibility of the OCTG and Accessories Product Line before joining the Executive Committee in 2023 as Senior Vice President, Business Line OCTG, Services & Accessories, Group & Eastern Hemisphere.

Ludovic Oster

Job Titles:
  • Group Chief
  • Human Resources Officer
  • Member of the Executive Committee
After graduating from Skema Business School (formerly ESC Lille), Ludovic began his career in 1993 with the automotive supplier Delphi, where he held various positions in human resources, both operational and functional, in France and the United States. He then joined the Valeo Group in 1999 to support a major acquisition and to deploy and optimize employee involvement processes, particularly in the US, Spain, and Germany. Ludovic Oster then took on operational Human Resources functions for divisions and branches, based in Spain and France, contributing to the improvement of their performance in a highly competitive international context. In 2008, he joined the Norbert Dentressangle Group, where he became a member of the Board in 2014, as Director of Human Resources. In this position, Ludovic Oster supported the group's strong international growth by strengthening and structuring the Human Resources function. Following the acquisition of Norbert Dentressangle by XPO Logistics in 2015, he contributed to change management by implementing transformation and organizational evolution processes, in line with the group's ambitions. Since August 2018, he has been Human Resources Director of the Elior Group where he contributed to the implementation of the group's strategy, particularly through the alignment and commitment of teams, the development of human resources and organizational efficiency.

Mr. Gareth Turner

Job Titles:
  • Member of the Audit Committee
  • OSM Director
  • the Strategic & Finance Committee Is Comprised of Three Members
Graduate of the University of Western Ontario (MBA with Distinction in 1991) and the University of Toronto (Bachelor's degree obtained in 1986) Employed at RBC Dominion Securities (1986-1989), Salomon Brothers (1991-1992) and Lehman Brothers (1992-1997) Managing Director in London for Goldman Sachs within the natural and industrial resources investment banking group from 1997 to 2005, where he was Global Head of Metals and Mining and Co-Head of the Global Chemicals division. He has a broad range of experience in M&A transactions and capital markets. He played a major role as a key advisor within Goldman Sachs' private equity group (1997-2005) He has served on the Board of Directors of Phoenix Services, Warrior Met Coal, Constellium, Monier and Noranda Aluminum Senior partner at Apollo Management, based in New York, where he oversees investments in the Metals and Mining industry

Ms. Corine de Bilbao

Job Titles:
  • Member of the Audit Committee
  • OSM Independent Director
  • the CSR Committee Is Comprised of Three Members
Graduate of Sciences Po Bordeaux and holder of an MBA in Sourcing and Supply Chain Management from the M.A.I Institute of Purchasing Management Sourcing Manager and Service Manager GE Medical Systems, medical imaging equipment sector (1989-2000) Twenty years' experience in the energy sector of which eight in Oil & Gas European Sourcing Director GE Power Gas Turbines (2000-2003) Upstream Sales Director GE Oil & Gas (2003-2008) Sales VP Products Areva T&D (2008-2010) Head of Services GE Energy (2010-2011), General Manager for Europe then Vice President of Sales of the Subsea Division of General Electric Oil & Gas (2011-2016) Chairman of General Electric France (2016-2019) Vice-President of AmCham, the American Chamber of Commerce in France (2016-2019) Chief Executive Officer of Segula Technologies International, engineering group (2019-2021)

Paraiso, Tabasco

Job Titles:
  • Sales Office Field Service

Patrick Poulin

Job Titles:
  • Director Representing Employees
Graduate engineer of École Catholique des Arts et Métiers de Lyon (1989) Responsible of Laser processing cell in nuclear department at C.E.A. Bruyère le Chatel (1989-1990) Responsible of information System and facilitator for Group Supply chain breakthrough at Michelin Clermont Ferrand (1990-1998) Supply chain manager and supply chain project manager for Asia and Pacific based in Singapore at Michelin (1998-2001) Joined Vallourec in 2001 Supply chain manager at Valti Montbard (2003-2007) and at Vallourec Précision Etirage (2001-2003) Supply chain and Sourcing manager at Vam Drilling in Houston USA (2007-2011) Global Sourcing manager in charge of Logistic services for the Group (2011-2016) Project Director in charge of consumables and spare parts inventory reduction for the Group (2017-2019) Sourcing director for Serimax (2019-2020) Supply chain manager for Line Pipe Project division (2020-2022) Senior project manager in Group Supply Chain department in charge of inventory reduction project since 2022

Philippe Carlier

Job Titles:
  • Member of the Executive Committee
  • Senior Vice - President Group Industry and Eastern Hemisphere
After graduating from the Centrale Paris school of engineering, Philippe Carlier began his career at EADS in 1988 and moved to Vallourec as a management controller in 1995. He held various positions such as plant manager, subsidiary Chief Operating Officer, and industrial director, before being appointed Director of Upstream activity (steel mills and rolling mills) in 2012. He was in charge of Upstream and Industry activities (tubular products for mechanical engineering, construction and the automotive industry) until 2014. Since April 2017, he has been Senior Vice President Technology & Industry.

Philippe Guillemot - CEO, Chairman

Job Titles:
  • Chief Executive Officer
  • Group Chairman
  • Member of the Executive Committee
  • OSM Group Chairman and Chief Executive Officer
Philippe Guillemot was CEO at Elior Group, one of the world's leading operators in contract catering and support services with strong positions in 5 countries. He carried out in-depth work to put the Group on a sound financial footing, to provide it with a value-creating strategy and to build a robust organization, which proved decisive in the face of the context made extremely difficult by the Covid crisis

Pierre Vareille

Job Titles:
  • Chairman of the Remuneration Committee
  • Chairman of the Nomination and Governance Committee
  • OSM Vice - Chairman
Former student at the École Centrale Paris (now CentraleSupélec), Sciences Po Paris, and a graduate in Economic Sciences from the Sorbonne He began his career in 1982 at Vallourec, where he rose to hold various senior management positions in subsidiaries of the Group CEO, then Chairman & CEO at GFI Aerospace, then at Faurecia as Director of the Exhaust Systems business line and member of the Executive Committee Member of the Executive Committee at Pechiney, responsible for the Aluminum Processing sector, and Chairman of Pechiney Rhenalu (2002-2004) CEO of the British automotive products manufacturer Wagon PLC, a company listed on the London Stock Exchange (2004-2007) Chairman & CEO of FCI (2008-2011), the world's fourth largest manufacturer of connectors with industrial sites in 20 countries CEO of Constellium (2012-2017), a company listed on the New York Stock Exchange and a world leader in aluminum processing, with sales approaching 5 billion in 2020 Chairman of the Bic Group (until 2021)

Sarah Dib - Chief Legal Officer

Job Titles:
  • Group General Counsel
  • Member of the Executive Committee
  • Group General Counsel of Vallourec
Graduated of ESSEC and law universities, Sarah Dib joined the Group in January 2023 as Legal Manager in charge of governance and stock market law and Secretary to the Board of Directors, after having worked for several years as a lawyer in international firms in the fields of corporate law, stock market law and mergers and acquisitions and having been Project Manager in business law within the Ministry of Economy, Finance and Industrial and Digital Sovereignty.

Sascha Bibert

Job Titles:
  • Group Chief Financial Officer
  • Member of the Executive Committee
Between 2019 and 2021, Sascha Bibert served as CFO of the Uniper Group where, together with the rest of the management team, he developed and implemented a new strategy focusing on accelerating the energy transition, while capitalizing on the opportunities of the current cycle. Sascha also placed great emphasis on internal and external reporting, ensuring that strategy execution including capital allocation remained well aligned with the information provided to key stakeholders. He previously worked as CFO of EnerjiSA in Turkey for 5 years, supporting the company's strong growth in a highly volatile environment and then listing the company on the stock exchange, following its split into distinct upstream and downstream entities. From 2009 to 2014, Sascha held various management positions within the E.ON Group, including SVP for Group Accounting and Controlling and Head of Investor Relations. In parallel, he also served on the board of Energy from Waste, a company led by the private equity group EQT. Sascha began his career as an equity portfolio manager and buy-side analyst, including a five-year stint with Allianz Global Investors and three years with Munich Re as Head of Investor and Rating Agency Relations. Sascha is a graduate of the International School of Management, as well as a CFA charterholder and a Certified Credit Analyst (CCrA).

Ulrika Wising

Job Titles:
  • Member of the Executive Committee
  • Senior Vice - President Energy Transition
  • VP Global Customer Solutions
Ulrika was previously with Shell, having joined their New Energies business in 2019 to lead efforts in the development of the company's integrated energy strategy where she pioneered an agreement with Amazon for renewable energy to help Shell secure its bid for the Dutch HKN Offshore wind farm. As VP Global Customer Solutions, Ulrika built a global cross-functional business unit to bring integrated power solutions to Shell's global customers.

Valeria Fernandes

Job Titles:
  • Member of the Executive Committee
  • Group Chief Digital and Information Officer
Valeria is highly committed to Innovation, D&I and ESG and has participated in several related forums and advisory boards.