PISTON GROUP Executive and Leadership Team

July, 2026

Leadership Overview

PISTON GROUP has 6 executives leading key functions including strategy, operations, finance, administration, and engineering.

Driven by innovation, PISTON GROUP provides comprehensive automotive engineering solutions, encompassing design, development, advanced assembly, manufacturing, and supply chain management, solidifying its market leadership through a commitment to excellence and client success.

Leadership Roles at PISTON GROUP

  • Chief Executive Officer - Mamadou Diallo
  • President & Chief Executive Officer - Bruce Smith
  • Founder, Chairman & Chief Executive Officer - Vincent Johnson
  • Chief Financial Officer - Louis Stoney
  • Chief Operating Officer - Bob Holloway
  • Chief Administrative Officer (CAO) - Vicki Richardson
  • Mamadou Diallo - Chief Executive Officer

    Mamadou Diallo, the Chief Executive Officer at PISTON GROUP, directs the overarching corporate strategy and operational execution. Diallo's leadership focuses on driving PISTON GROUP's expansion within the automotive engineering sector, ensuring alignment with market demands for advanced assembly and manufacturing solutions. This executive guides the company's vision, fostering innovation in process engineering and design development. Mamadou Diallo oversees the integration of new technologies and methodologies to enhance service offerings, including prototype testing and supply chain management. The Chief Executive Officer's role involves cultivating strategic partnerships and ensuring the company's sustained growth and competitive edge in the automotive industry. This leadership position is critical for navigating complex market dynamics and achieving long-term business objectives.

    Bruce Smith - President & Chief Executive Officer

    Bruce Smith, the President & Chief Executive Officer at PISTON GROUP, spearheads the company's strategic direction and operational oversight. Smith's tenure involves driving PISTON GROUP's mission to deliver comprehensive automotive engineering services, from initial design and development to advanced assembly and manufacturing. This executive champions the company's commitment to process engineering excellence and supply chain optimization. Bruce Smith ensures that PISTON GROUP remains at the forefront of prototype testing and development services, adapting to evolving industry standards. The President & Chief Executive Officer's responsibilities include fostering a culture of innovation and efficiency across all departments, directly impacting the company's ability to meet client needs. Smith's leadership is pivotal in maintaining PISTON GROUP's reputation for quality and reliability in the competitive automotive sector.

    Vincent Johnson - Founder, Chairman & Chief Executive Officer

    Vincent Johnson, the Founder, Chairman & Chief Executive Officer at PISTON GROUP, establishes the foundational vision and strategic governance for the organization. Johnson's leadership guides PISTON GROUP's comprehensive suite of automotive engineering services, including design, development, advanced assembly, and manufacturing. As Chairman, Vincent Johnson oversees the board's strategic direction, ensuring the company's long-term viability and market impact. The Founder's role involves cultivating a culture of innovation and operational excellence, particularly in areas like process engineering and prototype testing. Vincent Johnson's influence extends to shaping the company's approach to supply chain management and client relations, reinforcing PISTON GROUP's position as a leader in the automotive sector. This executive's deep understanding of the industry drives continuous improvement and strategic growth initiatives.
    Vincent Johnson

    Louis Stoney - Chief Financial Officer

    Louis Stoney, the Chief Financial Officer at PISTON GROUP, manages all financial aspects of the organization, ensuring fiscal health and strategic resource allocation. Stoney's oversight encompasses budgeting, forecasting, financial reporting, and investment strategies that support PISTON GROUP's growth in automotive engineering services. This executive plays a critical role in evaluating the financial viability of new projects, including advanced assembly, manufacturing, and prototype testing initiatives. Louis Stoney directs financial planning to optimize profitability and manage risk across the company's diverse operations, from design and development to supply chain management. The Chief Financial Officer's responsibilities include securing capital, managing investor relations, and ensuring compliance with all financial regulations. Stoney's financial acumen is essential for driving PISTON GROUP's sustained success and market competitiveness.

    Bob Holloway - Chief Operating Officer

    Bob Holloway, the Chief Operating Officer at PISTON GROUP, directs the day-to-day operational execution and efficiency across all service lines. Holloway's focus is on optimizing PISTON GROUP's process engineering, design, development, advanced assembly, and manufacturing capabilities. This executive ensures seamless integration of supply chain management and prototype testing services, enhancing overall project delivery. Bob Holloway oversees the implementation of operational strategies designed to improve productivity, reduce costs, and maintain the highest quality standards in automotive engineering. The Chief Operating Officer's responsibilities include managing cross-functional teams and fostering a culture of continuous improvement. Holloway's leadership is vital for translating strategic objectives into tangible operational results, ensuring PISTON GROUP consistently meets client expectations and industry demands.

    Vicki Richardson - Chief Administrative Officer (CAO)

    Vicki Richardson, the Chief Administrative Officer (CAO) at PISTON GROUP, oversees critical administrative functions that support the company's operational and strategic goals. Richardson's purview includes human resources, legal affairs, and corporate governance, ensuring PISTON GROUP operates efficiently and ethically. This executive plays a key part in developing and implementing policies that foster a productive work environment and support the company's mission in automotive engineering. Vicki Richardson manages the infrastructure necessary for PISTON GROUP's design, development, advanced assembly, and manufacturing operations. The Chief Administrative Officer's role involves optimizing internal processes and resource management to enhance overall organizational effectiveness. Richardson's administrative leadership is fundamental to the smooth functioning of PISTON GROUP's diverse service offerings, including supply chain management and prototype testing.

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    Frequently Asked Questions Regarding PISTON GROUP Top Executives and Leadership Team

    Who leads PISTON GROUP?
    PISTON GROUP is led by Mamadou Diallo (Chief Executive Officer), along with executives such as Bruce Smith (President & Chief Executive Officer) and Vincent Johnson (Founder, Chairman & Chief Executive Officer).
    Who is part of PISTON GROUP’s executive team?
    The executive team of PISTON GROUP includes leaders such as Mamadou Diallo (Chief Executive Officer), Bruce Smith (President & Chief Executive Officer), Vincent Johnson (Founder, Chairman & Chief Executive Officer) and other senior executives.
    How many executives does PISTON GROUP have?
    PISTON GROUP has 6 executives leading key business areas.
    What roles are included in PISTON GROUP’s leadership team?
    The leadership team of PISTON GROUP includes roles such as Chief Executive Officer, President & Chief Executive Officer, Founder, Chairman & Chief Executive Officer, Chief Financial Officer, Chief Operating Officer.