PISTON GROUP Executive and Leadership Team

Mamadou Diallo, the Chief Executive Officer at PISTON GROUP, directs the overarching strategic vision for automotive engineering and advanced manufacturing operations. Diallo manages the integration of process engineering with complex supply chain management to ensure high-quality output for global automotive partners. By aligning internal development teams with market demands, the Chief Executive Officer optimizes production cycles and enhances technical capabilities. Mamadou Diallo maintains rigorous standards across all prototype testing services, ensuring that every engineering solution meets stringent industry requirements. This leadership role involves constant collaboration with the board to secure long-term growth and market expansion. Through the implementation of lean manufacturing principles, the Chief Executive Officer drives operational excellence across North American facilities. Diallo prioritizes the advancement of assembly technologies, positioning the organization as a leader in automotive component production. Ultimately, the Chief Executive Officer secures the competitive standing of the firm within the evolving automotive landscape.

Vinnie Johnson, the Founder, Chairman & Chief Executive Officer at PISTON GROUP, architects the foundational mission and long-term corporate governance of the automotive engineering enterprise. Johnson oversees the strategic direction of design, development, and advanced assembly services, ensuring alignment with the core business model. By fostering a culture of innovation, the Founder, Chairman & Chief Executive Officer drives the expansion of manufacturing capabilities to meet diverse client needs. Vinnie Johnson maintains high-level relationships with key industry stakeholders, securing the firm's reputation for quality and reliability. This leadership role involves guiding the executive team through complex market shifts and technological advancements in the automotive sector. Through the oversight of corporate policy and strategic investments, the Founder, Chairman & Chief Executive Officer ensures sustainable growth and operational stability. Johnson champions the integration of advanced engineering processes, solidifying the company's position as a premier provider of automotive solutions on a global scale.

Louis Stoney, the Chief Financial Officer at PISTON GROUP, manages the fiscal health and capital allocation strategies necessary for supporting large-scale automotive manufacturing and engineering projects. Stoney oversees financial planning, reporting, and risk management to ensure the stability of the supply chain and production operations. By analyzing cost structures within the assembly and development divisions, the Chief Financial Officer identifies opportunities for improved efficiency and margin expansion. Louis Stoney coordinates with the executive leadership team to align budgetary resources with strategic growth initiatives across North American markets. This leadership role involves maintaining transparent financial controls and ensuring compliance with industry-specific regulatory standards. Through the optimization of financial workflows, the Chief Financial Officer supports the firm's ability to invest in cutting-edge prototype testing and advanced manufacturing technologies. Stoney drives fiscal discipline, ensuring that the organization remains well-positioned to navigate the capital-intensive demands of the automotive engineering industry.

Bob Holloway, the Chief Operating Officer at PISTON GROUP, executes the daily operational strategies required to maintain high-volume automotive assembly and manufacturing excellence. Holloway directs the coordination of supply chain management and process engineering to ensure seamless production workflows. By monitoring the performance of manufacturing facilities, the Chief Operating Officer optimizes output and maintains strict quality control standards for all automotive components. Bob Holloway collaborates with engineering teams to streamline development cycles and accelerate the delivery of prototype testing services. This leadership role involves managing the logistical complexities of the supply chain to ensure timely fulfillment for global automotive clients. Through the implementation of advanced operational metrics, the Chief Operating Officer drives continuous improvement and resource efficiency across the organization. Holloway ensures that all production activities align with the broader strategic goals of the firm, maintaining operational agility in a competitive and fast-paced automotive manufacturing environment.