Cabot Executive and Leadership Team

May, 2026

Leadership Overview

Cabot has 7 executives leading key functions including strategy, finance, technology, legal, materials, and regional operations.

Driven by innovation, Cabot is dedicated to advancing specialty chemicals and performance materials, impacting global industries through advanced material science and sustainable solutions.

Leadership Roles at Cabot

  • President & Chief Executive Officer - Sean Keohane
  • Executive Vice President & Chief Financial Officer & Head of Strategy - Erica Mclaughlin
  • Senior VP & President, Reinforcement Materials & President (Americas Region) - Bart Kalkstein
  • Senior Vice President & President, Reinforcement Materials - William Masterson
  • Executive Vice President & President, Carbon & Silica Technologies, Battery Materials & Region (Asia Pacific) - Jeff Zhu
  • Senior Vice President and Chief Technology Officer - Patricia Hubbard
  • Chief Legal Officer - Robyn Scott
  • Sean Keohane - President & Chief Executive Officer

    Sean Keohane, the President & Chief Executive Officer at Cabot, directs the company's overarching strategy and global operations. Keohane guides Cabot's mission to deliver specialty chemicals and performance materials, ensuring alignment with market demands and stakeholder value. This leadership role involves setting the strategic vision for growth in areas such as rubber and specialty carbons, activated carbon, and advanced materials like fumed silica and aerogel. Keohane oversees all functional departments, driving innovation and operational excellence across the organization. By championing sustainable practices and market leadership, Sean Keohane ensures Cabot maintains its competitive edge and contributes positively to the industries it serves, including automotive, infrastructure, and consumer goods.
    Sean Keohane

    Erica Mclaughlin - Executive Vice President & Chief Financial Officer & Head of Strategy

    Erica Mclaughlin, the Executive Vice President & Chief Financial Officer & Head of Strategy at Cabot, manages the company's financial health and strategic planning initiatives. Mclaughlin oversees all financial operations, including accounting, treasury, and investor relations, ensuring robust fiscal management. This executive position involves developing and executing long-term financial strategies that support Cabot's growth objectives and enhance shareholder value. Mclaughlin also leads the strategic planning process, identifying new market opportunities and competitive advantages for the specialty chemicals and performance materials sectors. By integrating financial acumen with strategic foresight, Erica Mclaughlin drives the company's financial performance and guides its future direction.

    Bart Kalkstein - Senior VP & President, Reinforcement Materials & President (Americas Region)

    Bart Kalkstein, the Senior VP & President, Reinforcement Materials & President (Americas Region) at Cabot, leads the critical Reinforcement Materials business segment and oversees operations within the Americas. Kalkstein drives the strategy and execution for rubber and specialty carbons, essential components for the tire and industrial products industries. This leadership position involves managing regional sales, manufacturing, and customer relationships throughout North and South America. Kalkstein ensures operational efficiency and market penetration within the Americas, contributing significantly to Cabot's global revenue and market share. By focusing on regional growth and product innovation, Bart Kalkstein strengthens Cabot's presence and performance in key markets.

    William Masterson - Senior Vice President & President, Reinforcement Materials

    William Masterson, the Senior Vice President & President, Reinforcement Materials at Cabot, directs the strategic growth and operational performance of the Reinforcement Materials division. Masterson focuses on enhancing the value proposition of Cabot's rubber and specialty carbons, serving key industries such as automotive and infrastructure. This role involves optimizing production processes, driving product innovation, and expanding market reach for these essential materials. Masterson collaborates with global teams to ensure consistent quality and supply chain reliability. By leading this core business segment, William Masterson plays a vital part in Cabot's overall success and its ability to deliver high-performance solutions to customers worldwide.
    William Masterson

    Jeff Zhu - Executive Vice President & President, Carbon & Silica Technologies, Battery Materials & Region (Asia Pacific)

    Jeff Zhu, the Executive Vice President & President, Carbon & Silica Technologies, Battery Materials & Region (Asia Pacific) at Cabot, leads multiple high-growth technology platforms and oversees the company's significant operations in the Asia Pacific region. Zhu directs the development and commercialization of carbon and silica-based products, including advanced materials for battery applications, driving innovation in energy storage solutions. This multifaceted role involves managing regional business strategies, fostering market expansion, and ensuring operational excellence across diverse product lines in Asia Pacific. Jeff Zhu's leadership is crucial for capitalizing on emerging market trends and strengthening Cabot's global competitive position in specialty chemicals and performance materials.
    Jeff Zhu

    Patricia Hubbard - Senior Vice President and Chief Technology Officer

    Patricia Hubbard, the Senior Vice President and Chief Technology Officer at Cabot, spearheads the company's innovation and technology development efforts. Hubbard directs research and development across all product lines, including rubber and specialty carbons, activated carbon, and advanced materials. This critical role involves fostering a culture of scientific inquiry and translating cutting-edge research into commercially viable solutions that meet evolving industry needs. Hubbard oversees the development of new materials and processes, ensuring Cabot remains at the forefront of specialty chemical technology. By driving technological advancements, Patricia Hubbard supports the company's commitment to performance, sustainability, and market leadership in its global operations.
    Patricia Hubbard
    Robyn Scott, the Chief Legal Officer at Cabot, provides comprehensive legal counsel and oversees all legal affairs for the corporation. Scott manages corporate governance, compliance, intellectual property, and litigation, ensuring adherence to all applicable laws and regulations. This executive function involves safeguarding Cabot's interests and mitigating legal risks across its global business operations. Scott advises senior leadership and the Board of Directors on legal matters impacting the company's strategic decisions and day-to-day activities. By maintaining rigorous legal standards and ethical practices, Robyn Scott supports Cabot's commitment to integrity and responsible corporate citizenship in the specialty chemicals and performance materials industry.

    Frequently Asked Questions Regarding Cabot Top Executives and Leadership Team

    Who leads Cabot?
    Cabot is led by Sean Keohane (President & Chief Executive Officer), along with executives such as Erica Mclaughlin (Executive Vice President & Chief Financial Officer & Head of Strategy) and Bart Kalkstein (Senior VP & President, Reinforcement Materials & President (Americas Region)).
    Who is part of Cabot’s executive team?
    The executive team of Cabot includes leaders such as Sean Keohane (President & Chief Executive Officer), Erica Mclaughlin (Executive Vice President & Chief Financial Officer & Head of Strategy), Bart Kalkstein (Senior VP & President, Reinforcement Materials & President (Americas Region)) and other senior executives.
    How many executives does Cabot have?
    Cabot has 7 executives leading key business areas.
    What roles are included in Cabot’s leadership team?
    The leadership team of Cabot includes roles such as President & Chief Executive Officer, Executive Vice President & Chief Financial Officer & Head of Strategy, Senior VP & President, Reinforcement Materials & President (Americas Region), Senior Vice President & President, Reinforcement Materials, Executive Vice President & President, Carbon & Silica Technologies, Battery Materials & Region (Asia Pacific).