Arkema Executive and Leadership Team

May, 2026

Leadership Overview

Arkema has 10 executives leading key functions including finance, operations, and regional management.

Driven by innovation, Arkema is dedicated to developing advanced materials and specialty chemicals that address global challenges, fostering sustainable solutions across diverse industries.

Leadership Roles at Arkema

  • Chief Financial Officer - Sunmin Oh
  • Senior Vice President, Chief Financial Officer Americas - Patricia McCarthy
  • Group Chief Financial Officer, Arkema In (Argentina) - Carlos Ruiz
  • Chief Financial Officer, Greater (China) - Wei Wang
  • Senior Executive Coordinator To Regional President, High Performance Polymers - Arlene Passamante
  • Regional Group President, Acrylic Monomers (Americas) - Casey Collins
  • Regional President, Thiochemicals - Michael Scott
  • Global President, Sartomer - Stephanie Montag
  • Arkema Southern Cone President - Carlos De Lion Neto
  • Chief Information Officer (Americas) - Samantha Hollingsworth
  • Sunmin Oh - Chief Financial Officer

    Sunmin Oh, the Chief Financial Officer at Arkema, directs the company's overall financial strategy and operations. This leadership role involves managing global financial planning, budgeting, and forecasting to ensure fiscal health and drive profitable growth. Overseeing all accounting functions, Oh ensures compliance with financial regulations and standards. The Chief Financial Officer's responsibilities extend to capital allocation, investment strategies, and risk management, directly impacting Arkema's long-term financial stability and market positioning. By optimizing financial performance, Sunmin Oh supports the company's mission to deliver innovative specialty chemicals and advanced materials.

    Patricia McCarthy - Senior Vice President, Chief Financial Officer Americas

    Patricia McCarthy, the Senior Vice President, Chief Financial Officer Americas at Arkema, spearheads financial operations across the North and South American regions. This critical role involves developing and executing financial strategies tailored to the Americas market, ensuring alignment with global corporate objectives. McCarthy oversees financial planning, analysis, and reporting for all regional activities, driving efficiency and profitability. The Senior Vice President, Chief Financial Officer Americas manages relationships with regional financial institutions and stakeholders, securing capital and optimizing cash flow. By providing strategic financial guidance, Patricia McCarthy supports Arkema's growth initiatives and operational excellence throughout the Americas.

    Carlos Ruiz - Group Chief Financial Officer, Arkema In (Argentina)

    Carlos Ruiz, the Group Chief Financial Officer, Arkema In (Argentina) at Arkema, directs financial management and strategic planning within Argentina. This role encompasses overseeing all financial activities, including accounting, budgeting, and financial reporting, to ensure robust fiscal health for Arkema's operations in the region. Ruiz is responsible for managing financial risks and identifying opportunities for growth and cost optimization. The Group Chief Financial Officer, Arkema In (Argentina) plays a key part in supporting local business objectives through sound financial governance. By ensuring financial discipline, Carlos Ruiz contributes to Arkema's overall success in delivering specialty chemicals and advanced materials.

    Wei Wang - Chief Financial Officer, Greater (China)

    Wei Wang, the Chief Financial Officer, Greater (China) at Arkema, leads financial strategy and operations for the significant Chinese market. This executive oversees all aspects of financial planning, analysis, and reporting, ensuring compliance with local regulations and international standards. Wang drives financial performance improvements and manages capital allocation to support Arkema's growth objectives in China. The Chief Financial Officer, Greater (China) also manages relationships with regional financial partners and stakeholders. By providing strategic financial insights, Wei Wang ensures the sustained success of Arkema's specialty chemicals and advanced materials business in the Greater China region.

    Arlene Passamante - Senior Executive Coordinator To Regional President, High Performance Polymers

    Arlene Passamante, the Senior Executive Coordinator To Regional President, High Performance Polymers at Arkema, provides critical operational and administrative support to the Regional President overseeing High Performance Polymers. This role involves coordinating strategic initiatives, managing executive communications, and ensuring the smooth execution of departmental objectives. Passamante facilitates cross-functional collaboration within the High Performance Polymers division, enhancing workflow and project management. The Senior Executive Coordinator To Regional President, High Performance Polymers supports the strategic direction of advanced materials development and market penetration. Through meticulous organization and proactive support, Arlene Passamante contributes to the effective leadership of Arkema's High Performance Polymers business.

    Casey Collins - Regional Group President, Acrylic Monomers (Americas)

    Casey Collins, the Regional Group President, Acrylic Monomers (Americas) at Arkema, directs the strategic growth and operational performance of the Acrylic Monomers business across the Americas. This leadership position involves overseeing all aspects of production, sales, and market development for this key product line. Collins drives innovation in acrylic monomer technologies and ensures supply chain efficiency to meet regional demand. The Regional Group President, Acrylic Monomers (Americas) fosters strong customer relationships and identifies new market opportunities. By leading the Acrylic Monomers division, Casey Collins significantly contributes to Arkema's position as a leader in specialty chemicals.

    Michael Scott - Regional President, Thiochemicals

    Michael Scott, the Regional President, Thiochemicals at Arkema, leads the strategic direction and operational execution for the Thiochemicals business within the designated region. This executive role encompasses managing production facilities, optimizing supply chains, and driving market expansion for thiochemical products. Scott focuses on enhancing product quality and developing innovative solutions to meet evolving industry needs. The Regional President, Thiochemicals oversees sales and marketing efforts to strengthen customer partnerships and capture market share. By guiding the Thiochemicals division, Michael Scott ensures Arkema's continued leadership in delivering essential chemical components.

    Stephanie Montag - Global President, Sartomer

    Stephanie Montag, the Global President, Sartomer at Arkema, spearheads the worldwide strategy and operations for the Sartomer business unit, a leader in specialty acrylate and methacrylate monomers and oligomers. This executive role involves driving innovation, market development, and global sales growth for advanced materials used in coatings, inks, adhesives, and more. Montag oversees research and development efforts to create cutting-edge solutions that meet diverse customer needs across various industries. The Global President, Sartomer fosters strategic partnerships and ensures operational excellence across all global manufacturing sites. By leading Sartomer, Stephanie Montag significantly advances Arkema's commitment to delivering high-performance specialty chemicals.

    Carlos De Lion Neto - Arkema Southern Cone President

    Carlos De Lion Neto, the Arkema Southern Cone President at Arkema, directs the company's strategic initiatives and operational oversight across the Southern Cone region of South America. This leadership role involves managing business development, sales, and market penetration for Arkema's diverse portfolio of specialty chemicals and advanced materials. De Lion Neto focuses on strengthening regional presence and fostering key stakeholder relationships to drive sustainable growth. The Arkema Southern Cone President ensures alignment with global corporate objectives while adapting strategies to local market dynamics. By leading the Southern Cone operations, Carlos De Lion Neto plays a vital part in Arkema's expansion and success in this key geographic area.

    Samantha Hollingsworth - Chief Information Officer (Americas)

    Samantha Hollingsworth, the Chief Information Officer (Americas) at Arkema, architects the region's technology strategy and digital transformation initiatives. This leadership position involves overseeing all IT infrastructure, systems, and cybersecurity measures to support business operations and innovation. Hollingsworth drives the implementation of digital solutions that enhance operational efficiency and customer engagement across the Americas. The Chief Information Officer (Americas) collaborates with global IT teams to ensure seamless integration of regional technology platforms. By leveraging cutting-edge technology, Samantha Hollingsworth enables Arkema to deliver advanced materials and specialty chemicals effectively within the American market.

    Frequently Asked Questions Regarding Arkema Top Executives and Leadership Team

    Who leads Arkema?
    Arkema is led by Sunmin Oh (Chief Financial Officer), along with executives such as Patricia McCarthy (Senior Vice President, Chief Financial Officer Americas) and Carlos Ruiz (Group Chief Financial Officer, Arkema In (Argentina)).
    Who is part of Arkema’s executive team?
    The executive team of Arkema includes leaders such as Sunmin Oh (Chief Financial Officer), Patricia McCarthy (Senior Vice President, Chief Financial Officer Americas), Carlos Ruiz (Group Chief Financial Officer, Arkema In (Argentina)) and other senior executives.
    How many executives does Arkema have?
    Arkema has 10 executives leading key business areas.
    What roles are included in Arkema’s leadership team?
    The leadership team of Arkema includes roles such as Chief Financial Officer, Senior Vice President, Chief Financial Officer Americas, Group Chief Financial Officer, Arkema In (Argentina), Chief Financial Officer, Greater (China), Senior Executive Coordinator To Regional President, High Performance Polymers.