Leadership Overview
Allison Transmission has 6 executives leading key functions including strategy, financial operations, 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 execution of growth initiatives across North American, European, and Asian markets. By prioritizing innovation in fully automatic and electrified propulsion systems, the Chief Executive Officer & Chairman ensures the company maintains its status as the largest manufacturer of medium- and heavy-duty transmissions. David Graziosi drives operational efficiency and market expansion, aligning the organization with the evolving needs of commercial and defense vehicle sectors. Through rigorous oversight of capital allocation and strategic partnerships, the Chief Executive Officer & Chairman secures the competitive position of the firm. This leadership role involves constant evaluation of global industry trends to sustain profitability and technological advancement in the energy, mining, and construction sectors.
G. Bohley - Chief Financial Officer & Chief Operating Officer & Treasurer
G. Bohley, the Chief Financial Officer & Chief Operating Officer & Treasurer at Allison Transmission, manages the financial health and internal operational workflows of the organization. Bohley directs the fiscal planning, treasury functions, and global supply chain logistics to ensure seamless production of propulsion systems. By integrating financial rigor with operational execution, the Chief Financial Officer & Chief Operating Officer & Treasurer optimizes manufacturing output for commercial and defense applications. G. Bohley oversees the allocation of resources across international manufacturing facilities, driving efficiency in the production of fully automatic and electric hybrid systems. This dual-focused leadership role requires constant coordination with regional distributors to maintain market presence in Africa and South America. Through precise management of the balance sheet and operational infrastructure, the Chief Financial Officer & Chief Operating Officer & Treasurer supports the long-term growth objectives of the company while maintaining strict adherence to fiscal discipline.
Scott Mell - Chief Financial Officer & Treasurer
Scott Mell, the Chief Financial Officer & Treasurer at Allison Transmission, manages the capital structure and financial reporting processes for the global propulsion technology firm. Mell directs investor relations and treasury operations, ensuring the company maintains a robust liquidity position to support ongoing engineering services and product development. By analyzing market data and economic indicators, the Chief Financial Officer & Treasurer provides the strategic insights necessary for informed decision-making regarding the manufacturing of heavy-duty transmissions. Scott Mell oversees the financial compliance and risk management frameworks that protect the interests of shareholders on the New York Stock Exchange. This leadership role involves coordinating with global financial institutions to facilitate the distribution of branded replacement parts and remanufactured systems. Through meticulous oversight of the corporate budget and financial forecasting, the Chief Financial Officer & Treasurer enables the organization to invest in next-generation electrified propulsion systems for diverse commercial vehicle applications.
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 financial strategy and treasury functions to support the global expansion of propulsion technology. Graziosi directs the financial planning and analysis teams, ensuring the company maintains the capital resources required for developing fully automatic and electric hybrid systems. By overseeing the financial health of the organization, the Executive Vice President, Chief Financial Officer and Treasurer facilitates the distribution of products through a vast network of independent dealers. Allison Graziosi drives the implementation of financial controls that support the manufacturing of transmissions for school buses, motorhomes, and defense vehicles. This leadership role involves collaborating with the executive team to evaluate investment opportunities in emerging markets. Through the management of corporate assets and financial risk, the Executive Vice President, Chief Financial Officer and Treasurer ensures the company remains a dominant force in the global commercial vehicle industry.
Lorraine Parker-Clegg - Chief People Officer
Lorraine Parker-Clegg, the Chief People Officer at Allison Transmission, manages the human capital strategy and organizational development for the global propulsion technology company. Parker-Clegg directs talent acquisition, employee engagement, and leadership development programs to ensure the workforce remains aligned with the mission of designing and manufacturing advanced transmission systems. By fostering a culture of innovation and technical excellence, the Chief People Officer supports the engineering teams responsible for creating electrified propulsion solutions. Lorraine Parker-Clegg oversees the implementation of global HR policies that attract and retain top-tier talent across North America, Europe, and Asia. This leadership role involves working closely with the C-suite to align workforce capabilities with the strategic goals of the business. Through the development of comprehensive training and performance management systems, the Chief People Officer ensures the organization possesses the human resources necessary to maintain its status as a leader in the commercial and defense vehicle sectors.
Eric Scroggins - Vice President, General Counsel & Secretary
Eric Scroggins, the Vice President, General Counsel & Secretary at Allison Transmission, manages the legal affairs and corporate governance frameworks for the global propulsion technology firm. Scroggins directs the legal team in protecting intellectual property, managing regulatory compliance, and overseeing contractual agreements with global distributors and dealers. By providing counsel on complex legal matters, the Vice President, General Counsel & Secretary ensures the company operates within the legal standards of every region where products are sold. Eric Scroggins oversees the corporate secretarial functions, including board communications and shareholder relations. This leadership role involves mitigating legal risks associated with the manufacturing and distribution of transmissions for commercial and defense vehicles. Through the management of litigation and compliance programs, the Vice President, General Counsel & Secretary supports the integrity and reputation of the organization as it continues to innovate in the energy, mining, and construction sectors worldwide.
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