Leadership Overview
Allison Transmission has 7 executives leading key functions including strategy, finance, operations, human resources, legal, and people operations.
Driven by innovation, Allison Transmission is dedicated to advancing propulsion technology for medium- and heavy-duty commercial and defense vehicles globally, shaping the future of efficient and sustainable transportation through its comprehensive product portfolio and extensive service network.
Driven by innovation, Allison Transmission is dedicated to advancing propulsion technology for medium- and heavy-duty commercial and defense vehicles globally, shaping the future of efficient and sustainable transportation through its comprehensive product portfolio and extensive service network.
Leadership Roles at Allison Transmission
David Graziosi - Chief Executive Officer & Chairman
David Graziosi, the Chief Executive Officer & Chairman at Allison Transmission, directs the company's overarching strategy and corporate governance. Overseeing global operations, Graziosi ensures alignment with Allison Transmission's mission to design, manufacture, and distribute advanced propulsion systems. This leadership role involves driving innovation in fully automatic transmissions and electrified propulsion solutions for medium- and heavy-duty commercial and defense vehicles worldwide. By optimizing market penetration and fostering strategic partnerships, David Graziosi directly impacts the company's growth and its position as the largest global manufacturer of medium- and heavy-duty fully automatic transmissions. Ultimately, Graziosi secures long-term financial stability and market leadership for Allison Transmission across North America, Europe, Asia, Africa, and South America.
Scott Mell - Chief Financial Officer
Scott Mell, the Chief Financial Officer at Allison Transmission, manages the company's financial health and strategic fiscal planning. Overseeing all financial operations, Mell ensures robust capital allocation and drives profitability across Allison Transmission's diverse product lines, including fully automatic transmissions and electrified propulsion systems. This critical role involves close collaboration with executive leadership to support global expansion initiatives and maintain strong investor relations on the New York Stock Exchange. By optimizing financial performance and managing risk, Scott Mell directly contributes to the company's sustained growth and operational efficiency. Ultimately, Mell safeguards the financial integrity of Allison Transmission's worldwide operations, supporting its extensive network of distributors and dealers across multiple continents.
Allison Graziosi - Executive Vice President, Chief Financial Officer and Treasurer
Allison Graziosi, the Executive Vice President, Chief Financial Officer and Treasurer at Allison Transmission, executes comprehensive financial strategies and manages treasury functions. Overseeing fiscal operations, Graziosi ensures the financial stability and liquidity required for Allison Transmission's global manufacturing and distribution of advanced propulsion systems. This position involves direct oversight of financial reporting, budgeting, and capital management, crucial for supporting the company's extensive product portfolio, from traditional automatic transmissions to cutting-edge electric hybrid and fully electric systems. By maintaining rigorous financial discipline, Allison Graziosi directly supports the strategic objectives of the organization. Ultimately, Graziosi ensures sound financial stewardship across all business units, reinforcing Allison Transmission's market leadership in the commercial and defense vehicle sectors.
G. Bohley - Chief Financial Officer & Chief Operating Officer & Treasurer
G. Bohley, the Chief Financial Officer & Chief Operating Officer & Treasurer at Allison Transmission, directs both the financial operations and the extensive manufacturing and supply chain activities. Overseeing global production and operational efficiency, Bohley ensures the seamless delivery of fully automatic transmissions and electrified propulsion systems to markets worldwide. This dual leadership role involves optimizing production processes, managing operational costs, and maintaining the financial health of the company, critical for Allison Transmission's status as a leading global manufacturer. By driving operational excellence and fiscal responsibility, G. Bohley directly impacts the company's ability to innovate and expand its reach across diverse applications and geographies. Ultimately, Bohley ensures the robust execution of Allison Transmission's business strategy, supporting its extensive network and commitment to quality.

Lorraine Parker-Clegg - Chief People Officer
Lorraine Parker-Clegg, the Chief People Officer at Allison Transmission, leads human capital strategy and organizational development. Overseeing talent acquisition, employee engagement, and culture initiatives, Parker-Clegg ensures Allison Transmission cultivates a high-performing workforce essential for driving innovation in propulsion technology. This role is pivotal in supporting the company's global operations and its commitment to developing advanced automatic and electric propulsion systems for commercial and defense vehicles. By fostering a supportive and dynamic work environment, Lorraine Parker-Clegg directly contributes to the company's ability to attract and retain top talent. Ultimately, Parker-Clegg champions the people-centric approach that underpins Allison Transmission's success across North America, Europe, Asia, Africa, and South America.
Eric Scroggins - Vice President, General Counsel & Secretary
Eric Scroggins, the Vice President, General Counsel & Secretary at Allison Transmission, provides critical legal counsel and oversees corporate governance. Directing all legal affairs, Scroggins ensures compliance with global regulations and manages risk associated with Allison Transmission's worldwide operations and product development. This essential role involves advising the board of directors and executive leadership on legal matters pertaining to the design, manufacturing, and distribution of fully automatic transmissions and electrified propulsion systems. By safeguarding the company's legal interests and upholding corporate integrity, Eric Scroggins directly supports Allison Transmission's strategic objectives and market expansion. Ultimately, Scroggins ensures adherence to legal standards across all business functions, reinforcing the company's reputation for reliability and ethical conduct.
Enrique Gonzales - P and O
Enrique Gonzales, the P and O at Allison Transmission, manages key people and organizational functions critical to operational success. Overseeing strategic human resource initiatives, Gonzales ensures the effective deployment of talent across Allison Transmission's global network, supporting the company's mission to advance propulsion technology. This role focuses on optimizing organizational structures and people-related processes to enhance efficiency in the design and manufacturing of automatic and electric propulsion systems. By driving improvements in workforce management and organizational effectiveness, Enrique Gonzales directly contributes to the company's operational agility and its ability to meet market demands. Ultimately, Gonzales plays a vital part in shaping a productive and responsive organizational framework for Allison Transmission worldwide.
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