Milliman Executive and Leadership Team

Gary Wald, the Chief Operating Officer at Milliman, manages internal business processes and operational efficiency across the firm's global footprint. Overseeing the integration of multidisciplinary teams, the Chief Operating Officer ensures that actuaries, clinicians, and data scientists operate with maximum productivity to address client needs. This leadership role involves optimizing resource allocation to support the firm's diverse service lines, including life sciences and employee benefits. By streamlining administrative workflows and enhancing operational infrastructure, Gary Wald directly impacts the firm's ability to deliver high-quality consulting services during periods of market volatility. The Chief Operating Officer coordinates with regional leadership to maintain consistent standards of excellence across all international offices. Through rigorous management of internal systems, Wald supports the firm's mission of providing objective, expert guidance to governments and employers, ensuring that operational capacity aligns with the evolving demands of the global financial landscape.

Marie Killian, the President at Milliman, provides executive leadership and shapes the firm's overarching strategic direction. Overseeing the firm's multidisciplinary consulting practice, the President ensures alignment between the firm's technical expertise and the evolving needs of clients in the public and private sectors. This leadership role involves guiding the firm's principals in addressing complex challenges such as rising healthcare costs and market volatility. By fostering a culture of innovation and professional excellence, Marie Killian drives the firm's growth and maintains its status as an independent, objective advisor. The President works with the Board to define long-term business goals and oversees the firm's expansion into new global markets. Through strategic decision-making and a focus on actuarial rigor, Killian ensures that the firm continues to deliver high-impact solutions, helping governments, employers, and financial institutions achieve their social and financial objectives with clarity and confidence.

Matthew Curtis, the Chief Marketing Officer at Milliman, directs all global brand positioning and market engagement strategies. Overseeing the firm's outreach across insurance, healthcare, and financial services sectors, the Chief Marketing Officer ensures consistent communication of the firm's objective consulting value. This leadership role involves architecting digital campaigns that highlight actuarial expertise and technical innovation to diverse public and private sector audiences. By aligning marketing initiatives with the firm's multidisciplinary capabilities, Matthew Curtis drives brand awareness and supports business development goals in competitive international markets. The Chief Marketing Officer collaborates closely with the Board to refine messaging regarding complex risk management solutions. Through strategic oversight of global communications, Curtis strengthens the firm's reputation for professional excellence and helps maintain a strong market presence while addressing volatility and financial insecurity for clients worldwide.

John Clark, the Principal and Chief Technology Officer Milliman Pluritem at Milliman, architects the firm's advanced technological framework and digital product development. Overseeing the deployment of sophisticated data science tools, the Chief Technology Officer ensures that the firm leverages cutting-edge technology to solve complex problems related to extreme weather and financial risk. This leadership role involves integrating proprietary software solutions into the firm's consulting practice to enhance actuarial precision and client outcomes. By driving digital transformation initiatives, John Clark enables the firm to provide scalable, data-backed insights to healthcare organizations and insurers. The Chief Technology Officer collaborates with technical teams to maintain a competitive edge in the rapidly evolving financial services sector. Through the implementation of robust data architectures, Clark supports the firm's commitment to innovation, ensuring that technological capabilities remain at the forefront of the industry while helping clients plan for the future with confidence.