TPC Group Executive and Leadership Team

June, 2026

Leadership Overview

TPC Group has 8 executives leading key functions including strategy, operations, finance, and technology.

Driven by innovation, TPC Group is dedicated to producing value-added petrochemical products and providing critical infrastructure services, shaping the future of the chemical industry through robust operational excellence and strategic market positioning.

Leadership Roles at TPC Group

  • Founder & Chief Executive Officer - Carlos Alencastre
  • Chairman & Chief Executive Officer - Michael McDonnell
  • President & Chief Executive Officer - Edward Dineen
  • Chief Financial Officer - Jennifer Partridge
  • Chief Operating Officer - Efrain Perez
  • President & Chief Technical Officer - Andy Felschow
  • President - Todd Knowles
  • President - Peter Troiano
  • Carlos Alencastre - Founder & Chief Executive Officer

    Carlos Alencastre, the Founder & Chief Executive Officer at TPC Group, architects the overarching strategic direction and foundational principles of the organization. Alencastre's vision established TPC Group's core competency in deriving value-added products from C4 hydrocarbons, a critical niche within the petrochemical sector. This leadership role involves setting the long-term objectives for growth, market penetration, and operational efficiency across all business units. The Founder & Chief Executive Officer ensures that the company's mission of providing essential infrastructure and logistics services along the Gulf Coast remains central to all strategic decisions. Alencastre's influence extends to fostering a culture of innovation and reliability, crucial for maintaining TPC Group's competitive edge in a dynamic industry. The strategic imperatives defined by Alencastre guide the executive team in navigating market complexities and capitalizing on emerging opportunities, solidifying the company's position as a key player in the chemical manufacturing landscape.

    Michael McDonnell - Chairman & Chief Executive Officer

    Michael McDonnell, the Chairman & Chief Executive Officer at TPC Group, directs the comprehensive strategic planning and executive oversight for the company's diverse operations. McDonnell's leadership focuses on maximizing shareholder value and ensuring the sustainable growth of TPC Group's value-added product lines derived from petrochemical raw materials. This executive position involves steering the company's trajectory in providing critical infrastructure and logistics services, particularly along the vital Gulf Coast region. The Chairman & Chief Executive Officer is responsible for setting the tone at the top, emphasizing operational excellence, robust financial management, and strategic market positioning. McDonnell's role includes fostering strong relationships with stakeholders, including investors, partners, and regulatory bodies, to support TPC Group's long-term objectives. Through decisive leadership, McDonnell drives the company's commitment to innovation and efficiency in the petrochemical sector.

    Edward Dineen - President & Chief Executive Officer

    Edward Dineen, the President & Chief Executive Officer at TPC Group, spearheads the company's executive leadership, driving strategic initiatives and operational performance. Dineen's mandate encompasses the full spectrum of TPC Group's business, from the production of value-added products utilizing C4 hydrocarbons to the provision of essential infrastructure and logistics services along the Gulf Coast. This leadership position requires a deep understanding of the petrochemical industry's complexities and market dynamics. The President & Chief Executive Officer ensures that TPC Group maintains its competitive advantage through innovation, efficiency, and a steadfast commitment to safety and environmental stewardship. Dineen's strategic vision guides the organization in navigating market challenges and capitalizing on opportunities for expansion and enhanced service delivery. Edward Dineen's leadership is pivotal in upholding TPC Group's reputation for reliability and excellence.

    Jennifer Partridge - Chief Financial Officer

    Jennifer Partridge, the Chief Financial Officer at TPC Group, oversees all financial operations, strategic financial planning, and fiscal management for the organization. Partridge's expertise is crucial in managing the financial aspects of TPC Group's production of value-added products from petrochemical raw materials and its extensive infrastructure and logistics services. This executive role involves ensuring robust financial health, optimizing capital allocation, and driving profitability across the company's operations along the Gulf Coast. The Chief Financial Officer is responsible for financial reporting, risk management, and developing financial strategies that support TPC Group's long-term growth and stability. Jennifer Partridge plays a key part in guiding investment decisions, managing corporate finance, and maintaining strong relationships with financial institutions and investors. Partridge's financial acumen is vital for TPC Group's sustained success and market competitiveness.

    Efrain Perez - Chief Operating Officer

    Efrain Perez, the Chief Operating Officer at TPC Group, directs the day-to-day operational execution and efficiency across all manufacturing and logistics functions. Perez's responsibilities include optimizing the production processes for value-added products derived from petrochemical raw materials, ensuring consistent quality and output. This executive role is critical in managing the company's extensive infrastructure and logistics services along the Gulf Coast, guaranteeing seamless delivery and operational reliability. The Chief Operating Officer oversees the implementation of best practices in safety, environmental compliance, and process improvement throughout TPC Group's facilities. Efrain Perez's focus is on driving operational excellence, enhancing productivity, and managing resources effectively to support the company's strategic objectives and market commitments. Perez ensures that TPC Group's operational capabilities align with its mission of providing essential services to its customer base.

    Andy Felschow - President & Chief Technical Officer

    Andy Felschow, the President & Chief Technical Officer at TPC Group, leads the company's technological innovation and technical strategy, driving advancements in product development and operational processes. Felschow's purview includes overseeing the technical aspects of TPC Group's value-added products derived from C4 hydrocarbons and the sophisticated infrastructure supporting its logistics services along the Gulf Coast. This critical role involves directing research and development initiatives, ensuring that TPC Group remains at the forefront of chemical technology and process engineering. The President & Chief Technical Officer is instrumental in translating technical insights into tangible business value, enhancing efficiency, and maintaining the highest standards of product quality and safety. Andy Felschow's technical leadership guides the company's commitment to innovation and sustainable practices within the petrochemical industry, ensuring TPC Group's competitive edge.
    Andy Felschow

    Todd Knowles - President

    Todd Knowles, the President at TPC Group, directs significant operational segments and strategic business initiatives, contributing to the company's overall market performance. Knowles' leadership focuses on enhancing the value derived from petrochemical raw materials, particularly C4 hydrocarbons, and optimizing the delivery of critical infrastructure and logistics services along the Gulf Coast. This executive position involves driving business unit performance, fostering cross-functional collaboration, and ensuring alignment with TPC Group's core mission. The President is responsible for identifying and pursuing new market opportunities, strengthening customer relationships, and overseeing the execution of strategic plans. Todd Knowles' contributions are vital to TPC Group's operational efficiency and its ability to meet evolving industry demands. Knowles champions initiatives that promote growth and operational excellence.

    Peter Troiano - President

    Peter Troiano, the President at TPC Group, spearheads key strategic objectives and operational oversight, driving the company's performance in its core business areas. Troiano's focus includes maximizing the value derived from petrochemical raw materials, such as C4 hydrocarbons, and ensuring the effective provision of critical infrastructure and logistics services along the Gulf Coast. This leadership role involves guiding specific business units towards achieving their targets, fostering innovation, and maintaining high standards of operational integrity. The President is tasked with developing and implementing strategies that enhance TPC Group's market position and profitability. Peter Troiano's leadership ensures that the company's operations are aligned with its commitment to excellence and customer satisfaction. Troiano plays a crucial role in navigating the complexities of the petrochemical industry and driving sustainable growth.

    Frequently Asked Questions Regarding TPC Group Top Executives and Leadership Team

    Who leads TPC Group?
    TPC Group is led by Carlos Alencastre (Founder & Chief Executive Officer), along with executives such as Michael McDonnell (Chairman & Chief Executive Officer) and Edward Dineen (President & Chief Executive Officer).
    Who is part of TPC Group’s executive team?
    The executive team of TPC Group includes leaders such as Carlos Alencastre (Founder & Chief Executive Officer), Michael McDonnell (Chairman & Chief Executive Officer), Edward Dineen (President & Chief Executive Officer) and other senior executives.
    How many executives does TPC Group have?
    TPC Group has 8 executives leading key business areas.
    What roles are included in TPC Group’s leadership team?
    The leadership team of TPC Group includes roles such as Founder & Chief Executive Officer, Chairman & Chief Executive Officer, President & Chief Executive Officer, Chief Financial Officer, Chief Operating Officer.