Swagelok Executive and Leadership Team

November, 2026

Leadership Overview

Swagelok has 10 executives leading key functions including strategy, operations, human resources, and regional market management.

Driven by a commitment to industrial fluid system excellence, Swagelok delivers high-quality components that ensure safe and efficient movement of liquids and gases across demanding global applications.

Leadership Roles at Swagelok

  • President & Chief Executive Officer - Jill Whelan
  • Chief Operating Officer - John Plakio
  • President - Sebastien Day
  • President - Joel Hanish
  • President & Owner - James Trolinger
  • President - Andrew Curtiss
  • President - Kerry Feiten
  • President - James Uhl
  • Chief Human Resources Officer, Sotera Health - Sarah Turner
  • Chief Human Resources Officer - Hannah Delis
  • Jill Whelan - President & Chief Executive Officer

    Jill Whelan, the President & Chief Executive Officer at Swagelok, directs the overarching strategic vision for industrial fluid system manufacturing. Whelan oversees global operations, ensuring that the production of leak-tight tube fittings meets rigorous safety standards for demanding applications. By aligning corporate objectives with customer needs, the President & Chief Executive Officer drives long-term growth and market stability. This leadership role involves constant collaboration with the board to refine manufacturing processes and expand the reach of fluid system solutions. Jill Whelan maintains a focus on operational excellence, pushing the organization to innovate within the fluid handling sector. Through careful resource allocation and market analysis, the President & Chief Executive Officer secures the competitive position of the company. Ultimately, Whelan fosters a culture of quality that defines the brand identity across international markets, ensuring that every component manufactured adheres to the highest industry benchmarks for reliability and performance.
    Jill Whelan

    John Plakio - Chief Operating Officer

    John Plakio, the Chief Operating Officer at Swagelok, manages the daily execution of manufacturing workflows and supply chain logistics. Plakio optimizes production efficiency to ensure that high-quality fluid system components reach customers without delay. Overseeing internal scaling initiatives, the Chief Operating Officer implements advanced manufacturing technologies to maintain the precision required for demanding industrial environments. This role involves coordinating with department heads to streamline operational output and reduce waste across all facilities. John Plakio monitors performance metrics to identify bottlenecks, implementing corrective actions that enhance overall productivity. By focusing on the technical aspects of fluid system assembly, the Chief Operating Officer supports the broader mission of providing reliable solutions for gas and liquid transport. Plakio drives continuous improvement programs, ensuring that operational standards remain consistent with the reputation for quality established in 1947. Through rigorous oversight of manufacturing assets, the Chief Operating Officer guarantees that the company meets the complex demands of modern industrial infrastructure.

    Sebastien Day - President

    Sebastien Day, the President at Swagelok, leads the strategic expansion of fluid system solutions within the EMEA region. Day oversees the implementation of regional sales strategies that connect industrial clients with high-quality tube fittings and valves. By focusing on market penetration in complex sectors, the President ensures that the company maintains a strong presence in demanding industrial environments. This leadership role involves managing regional partnerships and ensuring that local operations align with the global standards for quality and reliability. Sebastien Day monitors market trends to identify new opportunities for growth, tailoring product offerings to meet specific regional requirements. Through the coordination of sales and technical support teams, the President drives revenue growth and strengthens customer relationships. Day emphasizes the importance of providing expert support for fluid system applications, ensuring that clients receive the necessary guidance for safe and efficient operations. By leveraging regional insights, the President contributes to the overall success of the company in the global marketplace.

    Joel Hanish - President

    Joel Hanish, the President at Swagelok, directs the strategic initiatives focused on North American market operations and industrial distribution networks. Hanish oversees the deployment of fluid system products across diverse sectors, ensuring that customers receive reliable components for critical applications. By managing the distribution channel, the President optimizes the availability of high-quality fittings and valves throughout the region. This leadership role involves working closely with local distributors to maintain the standards of service and technical support that define the brand. Joel Hanish analyzes regional demand patterns to guide inventory management and sales strategies, ensuring that the company remains responsive to industrial needs. Through the cultivation of strong client relationships, the President drives market share growth and reinforces the reputation for excellence. Hanish focuses on the practical application of fluid system technology, ensuring that North American operations support the broader mission of providing safe and efficient solutions for the movement of liquids and gases.
    Joel Hanish

    James Trolinger - President & Owner

    James Trolinger, the President & Owner at Swagelok, manages the long-term vision and financial stability of the regional business unit. Trolinger oversees the strategic direction of local operations, ensuring that the commitment to quality and customer service remains central to the business model. By focusing on sustainable growth, the President & Owner directs the allocation of resources to support the distribution of fluid system components. This leadership role involves maintaining the integrity of the brand while adapting to the specific needs of the local industrial landscape. James Trolinger fosters a culture of reliability, ensuring that every interaction with customers reflects the core values of the organization. Through careful oversight of business performance, the President & Owner identifies opportunities for operational improvement and market expansion. Trolinger ensures that the regional unit contributes effectively to the global mission of providing safe, efficient, and reliable fluid system solutions for demanding applications across various industries.

    Andrew Curtiss - President

    Andrew Curtiss, the President at Swagelok, leads the strategic development of specialized fluid system services for the energy and chemical processing sectors. Curtiss oversees the technical support teams that assist clients in designing and maintaining complex fluid handling systems. By focusing on high-stakes applications, the President ensures that the company provides the necessary expertise to move liquids and gases safely and efficiently. This leadership role involves coordinating with engineering departments to develop custom solutions that address specific industrial challenges. Andrew Curtiss monitors the performance of regional service centers, ensuring that technical standards remain consistent with global expectations. Through the implementation of proactive maintenance programs, the President drives customer satisfaction and long-term loyalty. Curtiss emphasizes the importance of precision in every component, ensuring that the company remains the preferred partner for demanding industrial projects. By aligning service capabilities with market needs, the President contributes to the overall growth and reputation of the organization.
    Andrew Curtiss

    Kerry Feiten - President

    Kerry Feiten, the President at Swagelok, directs the strategic initiatives for the semiconductor and high-purity fluid system markets. Feiten oversees the development and distribution of specialized components designed to meet the extreme cleanliness and precision requirements of these industries. By focusing on innovation in material science and manufacturing, the President ensures that the company provides reliable solutions for sensitive applications. This leadership role involves managing relationships with key technology partners and ensuring that product offerings remain at the forefront of industry standards. Kerry Feiten monitors market shifts in the high-tech sector, guiding the organization to adapt its manufacturing processes to meet emerging needs. Through the coordination of specialized sales and engineering teams, the President drives growth in high-purity markets. Feiten emphasizes the importance of quality control, ensuring that every component meets the rigorous demands of modern semiconductor manufacturing, thereby supporting the broader mission of providing safe and efficient fluid system solutions.

    James Uhl - President

    James Uhl, the President at Swagelok, manages the strategic operations for the oil and gas sector, focusing on the delivery of robust fluid system components for extreme environments. Uhl oversees the deployment of high-pressure fittings and valves that ensure the safe transport of hydrocarbons. By focusing on the reliability of components in harsh conditions, the President ensures that the company meets the critical needs of the energy industry. This leadership role involves coordinating with field engineers to provide on-site support and technical guidance for complex installations. James Uhl monitors global energy trends to anticipate demand for fluid system solutions, guiding the organization to scale production accordingly. Through the implementation of rigorous testing protocols, the President maintains the high standards of quality expected by energy sector clients. Uhl drives the development of new products that enhance safety and efficiency, ensuring that the company remains a leader in providing reliable solutions for the most demanding industrial applications.

    Sarah Turner - Chief Human Resources Officer, Sotera Health

    Sarah Turner, the Chief Human Resources Officer, Sotera Health at Swagelok, architects the talent acquisition and organizational development strategies necessary for maintaining a high-performance workforce. Turner oversees the integration of human capital initiatives that support the manufacturing of critical fluid system components. By fostering a culture of safety and technical expertise, the Chief Human Resources Officer, Sotera Health ensures that the organization attracts top-tier engineering and production talent. This leadership role involves designing comprehensive training programs that align with the evolving needs of the fluid handling industry. Sarah Turner manages performance management systems to drive accountability and professional growth across all departments. Through the implementation of robust employee engagement strategies, the Chief Human Resources Officer, Sotera Health strengthens the internal foundation required for sustained innovation. Turner focuses on building a resilient workforce capable of navigating the complexities of global industrial manufacturing, ensuring that the company remains a leader in providing reliable solutions for demanding applications.

    Hannah Delis - Chief Human Resources Officer

    Hannah Delis, the Chief Human Resources Officer at Swagelok, directs the internal organizational structure and workforce planning efforts. Delis oversees the development of corporate policies that promote safety, efficiency, and technical excellence within the manufacturing environment. By managing talent retention and leadership development, the Chief Human Resources Officer ensures that the company possesses the necessary expertise to produce high-quality fluid system components. This role involves collaborating with executive leadership to align human capital strategies with the broader mission of supporting industrial fluid systems. Hannah Delis implements initiatives that enhance workplace culture, focusing on the specialized skills required for precision engineering and assembly. Through the optimization of recruitment processes, the Chief Human Resources Officer secures a pipeline of skilled professionals dedicated to meeting customer needs. Delis drives organizational change, ensuring that the workforce remains agile and responsive to the shifting demands of the global market, ultimately supporting the long-term success of the company.
    Hannah Delis

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    Frequently Asked Questions Regarding Swagelok Top Executives and Leadership Team

    Who leads Swagelok?
    Swagelok is led by Jill Whelan (President & Chief Executive Officer), along with executives such as John Plakio (Chief Operating Officer) and Sebastien Day (President).
    Who is part of Swagelok’s executive team?
    The executive team of Swagelok includes leaders such as Jill Whelan (President & Chief Executive Officer), John Plakio (Chief Operating Officer), Sebastien Day (President) and other senior executives.
    How many executives does Swagelok have?
    Swagelok has 10 executives leading key business areas.
    What roles are included in Swagelok’s leadership team?
    The leadership team of Swagelok includes roles such as President & Chief Executive Officer, Chief Operating Officer, President, President, President & Owner.