United Launch Alliance Executive and Leadership Team

Melissa Collins, the Chief Executive Officer & Chief of Staff at United Launch Alliance, directs high-level organizational strategy and internal administrative alignment. Overseeing the integration of executive workflows, the Chief Executive Officer & Chief of Staff ensures that mission support services remain synchronized with aerospace manufacturing requirements. This leadership role involves managing complex communication channels between departments to optimize launch service delivery. By streamlining internal processes, Melissa Collins directly impacts the efficiency of spacecraft testing and engineering operations. The Chief Executive Officer & Chief of Staff maintains rigorous standards for operational excellence, supporting the broader goal of reliable space access. Through constant evaluation of corporate performance metrics, Collins secures long-term stability for the organization. This position requires deep coordination with other C-suite leaders to drive innovation in launch technology while maintaining strict adherence to safety protocols across all North American launch sites.

John Elbon, the Interim Chief Executive Officer at United Launch Alliance, manages the immediate strategic direction and operational continuity of the company. Overseeing the transition of leadership initiatives, the Interim Chief Executive Officer ensures that all engineering and mission support activities align with established aerospace standards. This role involves active engagement with the Board to maintain momentum in spacecraft launch services. By prioritizing resource allocation, John Elbon directly impacts the successful execution of complex launch missions. The Interim Chief Executive Officer monitors market shifts to ensure the company remains competitive in the global aerospace sector. Through decisive management of organizational priorities, Elbon stabilizes internal operations during periods of transition. This leadership function requires constant collaboration with technical teams to uphold the reputation of the company for precision and reliability in every launch, ultimately fostering growth and maintaining the integrity of the entire aerospace manufacturing pipeline.

Mark Peller, the President & Chief Executive Officer at United Launch Alliance, architects the long-term vision for spacecraft engineering and launch service capabilities. Overseeing the expansion of manufacturing capacity, the President & Chief Executive Officer ensures that technical teams meet the rigorous demands of modern space exploration. This leadership role involves driving innovation in launch vehicle design and testing protocols. By fostering a culture of engineering excellence, Mark Peller directly impacts the success rate of critical missions. The President & Chief Executive Officer coordinates with external partners to secure market share in the competitive aerospace industry. Through strategic oversight of research and development, Peller advances the technological edge of the company. This position requires balancing immediate operational needs with future-focused investments in aerospace infrastructure, ensuring that the organization remains a leader in providing reliable, cost-effective access to space for government and commercial clients worldwide.

Daniel Collins, the Chief Operating Officer at United Launch Alliance, executes the daily operational strategy for spacecraft manufacturing and launch site logistics. Overseeing the supply chain and production facilities, the Chief Operating Officer ensures that all engineering components meet strict quality control standards. This leadership role involves optimizing the flow of materials and labor to maintain project timelines. By refining operational workflows, Daniel Collins directly impacts the efficiency of mission support services. The Chief Operating Officer manages the integration of new manufacturing technologies to enhance production speed and reliability. Through rigorous oversight of facility performance, Collins drives continuous improvement across all operational units. This position requires constant interaction with technical leads to resolve bottlenecks and ensure that every launch vehicle is prepared for deployment. By maintaining high operational standards, the Chief Operating Officer secures the company's position as a premier provider of launch services.

Sabrina Koehler, the Administrative Assistant To Executive Vice President and Chief Operating Officer at United Launch Alliance, coordinates the complex scheduling and communication requirements for senior leadership. Overseeing the flow of information between the executive office and operational departments, the Administrative Assistant To Executive Vice President and Chief Operating Officer ensures that strategic priorities receive immediate attention. This role involves managing high-level documentation and facilitating meetings that drive aerospace engineering decisions. By organizing executive workflows, Sabrina Koehler directly impacts the productivity of the leadership team. The Administrative Assistant To Executive Vice President and Chief Operating Officer maintains the integrity of internal records and supports the execution of corporate initiatives. Through meticulous attention to detail, Koehler enables the senior team to focus on critical mission support and manufacturing goals. This position requires a deep understanding of the company's operational structure to effectively manage the demands of the executive office.

Madison Wiemers, the President of Nebula at United Launch Alliance, leads the specialized division focused on emerging aerospace technologies and innovative launch solutions. Overseeing the development of next-generation spacecraft systems, the President of Nebula ensures that the division contributes to the overall mission support capabilities of the company. This leadership role involves identifying new market opportunities and driving research initiatives that push the boundaries of current engineering. By managing the growth of the Nebula unit, Madison Wiemers directly impacts the diversification of the company's service portfolio. The President of Nebula coordinates with internal engineering teams to integrate advanced technologies into existing launch platforms. Through strategic focus on future-ready solutions, Wiemers secures the long-term relevance of the organization in a rapidly changing industry. This position requires balancing experimental development with the practical requirements of reliable space access, ensuring that the company remains at the forefront of aerospace innovation.

Liane George, the Vice President, Human Resources & Chief Human Resources Officer at United Launch Alliance, directs the talent acquisition and organizational development strategies necessary for aerospace innovation. Overseeing the recruitment of specialized engineering talent, the Vice President, Human Resources & Chief Human Resources Officer ensures that the workforce possesses the technical expertise required for complex spacecraft missions. This leadership role involves designing performance management systems that align employee output with corporate objectives. By fostering a culture of safety and excellence, Liane George directly impacts the retention of high-performing staff. The Vice President, Human Resources & Chief Human Resources Officer manages labor relations and professional development programs to support long-term growth. Through strategic workforce planning, George ensures that the company maintains a competitive edge in the aerospace sector. This position requires constant collaboration with other executives to align human capital strategies with the evolving needs of the manufacturing and launch business.