Leadership Overview
Allison Transmission has 6 executives leading key functions including strategy, financial oversight, operational management, human capital, and legal governance.
Focused on advancing global propulsion technology, Allison Transmission delivers high-performance automatic and electrified systems to commercial and defense markets while maintaining a commitment to engineering excellence and sustainable mobility solutions.
Focused on advancing global propulsion technology, Allison Transmission delivers high-performance automatic and electrified systems to commercial and defense markets while maintaining a commitment to engineering excellence and sustainable mobility solutions.
Leadership Roles at Allison Transmission
David Graziosi - Chief Executive Officer & Chairman
David Graziosi, the Chief Executive Officer & Chairman at Allison Transmission, directs the overarching corporate strategy and long-term vision for the global propulsion technology leader. Graziosi manages the board of directors while overseeing the expansion of electrified and fully automatic transmission systems across North American, European, and Asian markets. By prioritizing innovation in medium- and heavy-duty vehicle applications, the Chief Executive Officer & Chairman ensures the company maintains its status as the largest global manufacturer in this sector. David Graziosi drives operational efficiency and market competitiveness, aligning the organization with the evolving needs of the defense, energy, and commercial transport industries. Through rigorous focus on capital allocation and technological advancement, Graziosi secures the firm's position at the forefront of the global propulsion landscape, fostering growth across diverse international territories and complex industrial segments.
Scott Mell - Chief Financial Officer
Scott Mell, the Chief Financial Officer at Allison Transmission, manages the financial health and fiscal strategy of the organization. Mell oversees global financial planning, reporting, and investor relations, ensuring the company maintains robust liquidity to support the design and distribution of advanced propulsion systems. By analyzing market trends in the commercial and defense sectors, the Chief Financial Officer optimizes capital structure to fund research and development for electric hybrid and fully electric technologies. Scott Mell coordinates with executive leadership to align financial objectives with the broader mission of delivering high-quality transmission solutions worldwide. This role involves rigorous oversight of cost management and revenue growth initiatives across international operations. Through disciplined financial governance, Mell supports the long-term sustainability of the business, ensuring the company remains a dominant force in the global propulsion market while delivering consistent value to shareholders and stakeholders.
G. Bohley - Chief Financial Officer & Chief Operating Officer & Treasurer
G. Bohley, the Chief Financial Officer & Chief Operating Officer & Treasurer at Allison Transmission, directs the internal scaling and manufacturing logistics of the company. Bohley manages the supply chain and production efficiency for the firm's medium- and heavy-duty transmission lines, ensuring seamless delivery to global distributors. By integrating operational workflows with financial planning, the Chief Financial Officer & Chief Operating Officer & Treasurer optimizes the manufacturing footprint to meet the demands of the energy, mining, and construction sectors. G. Bohley oversees the treasury functions, securing the capital necessary for infrastructure investments and technological upgrades. This leadership role involves balancing high-volume production requirements with strict fiscal discipline to maintain profitability. Through the synchronization of operational output and financial resources, Bohley drives the company's ability to scale production of both traditional and electrified propulsion systems across diverse global markets.
Allison Graziosi - Executive Vice President, Chief Financial Officer and Treasurer
Allison Graziosi, the Executive Vice President, Chief Financial Officer and Treasurer at Allison Transmission, manages the enterprise-wide financial risk and treasury operations. Graziosi oversees the financial reporting processes and ensures compliance with regulatory standards for the publicly traded entity. By directing the allocation of resources toward engineering services and branded replacement parts, the Executive Vice President, Chief Financial Officer and Treasurer supports the company's diverse revenue streams. Allison Graziosi coordinates with the broader leadership team to evaluate the financial viability of new propulsion technologies and market expansion efforts in Africa and South America. This role involves managing banking relationships and liquidity strategies to sustain the company's global distribution network. Through meticulous financial analysis and strategic planning, Graziosi ensures the organization maintains a strong balance sheet, enabling the continued development of advanced propulsion systems for commercial and defense applications.
Lorraine Parker-Clegg - Chief People Officer
Lorraine Parker-Clegg, the Chief People Officer at Allison Transmission, directs the human capital strategy and organizational development for the global workforce. Parker-Clegg manages talent acquisition, employee engagement, and leadership development programs to support the company's mission in the propulsion technology sector. By fostering a culture of innovation and technical excellence, the Chief People Officer ensures the organization attracts and retains the specialized engineering talent required to design and manufacture complex transmission systems. Lorraine Parker-Clegg oversees the alignment of human resources policies with the company's operational goals across international regions. This role involves implementing training initiatives that prepare the workforce for the transition toward electric and hybrid propulsion technologies. Through the development of robust talent pipelines and inclusive workplace practices, Parker-Clegg drives the organizational agility necessary to maintain a competitive edge in the global commercial and defense vehicle markets.
Eric Scroggins - Vice President, General Counsel & Secretary
Eric Scroggins, the Vice President, General Counsel & Secretary at Allison Transmission, directs the legal strategy and corporate governance framework for the organization. Scroggins manages intellectual property protection, regulatory compliance, and contractual obligations related to the global distribution of propulsion systems. By overseeing legal matters for the company's operations in North America and international markets, the Vice President, General Counsel & Secretary ensures the business adheres to all industry-specific standards and trade regulations. Eric Scroggins provides counsel to the board of directors and executive leadership on risk management and corporate policy. This role involves navigating the complex legal landscape of the defense and commercial vehicle industries, safeguarding the company's proprietary technology and engineering services. Through proactive legal oversight and governance, Scroggins supports the company's strategic initiatives, ensuring that all business activities align with legal requirements and ethical standards.
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