HJF Executive and Leadership Team

Nadine Malloy, the Chief Operating Officer & Senior VP at HJF, oversees the daily administrative and operational functions that sustain military medical research programs. Malloy architects efficient processes for grant management and project support, ensuring that scientific teams receive the necessary resources to conduct vital research. By driving operational improvements, the Chief Operating Officer & Senior VP enhances the capacity of the organization to manage large-scale medical studies. This leadership role involves coordinating with the Board to ensure fiscal responsibility and compliance with federal regulations. Nadine Malloy manages the logistical requirements of research operations, facilitating seamless collaboration between military and civilian partners. Through the optimization of internal systems, Malloy supports the expansion of research initiatives across various geographic markets. The Chief Operating Officer & Senior VP maintains a focus on operational scalability, ensuring that the organization continues to deliver high-impact results for the armed forces.

Tom Sellie, the Chief Technology Officer at HJF, directs the digital infrastructure supporting complex military medical research initiatives. Sellie architects secure data management systems that protect sensitive scientific information while ensuring seamless connectivity across research facilities. By modernizing legacy platforms, the Chief Technology Officer drives operational efficiency for teams conducting clinical trials and laboratory studies. This leadership role involves collaborating with the Board to align technological investments with the broader mission of advancing military medicine. Tom Sellie oversees the implementation of advanced cybersecurity protocols to safeguard critical research assets against evolving digital threats. Through the integration of scalable cloud solutions, Sellie optimizes data accessibility for researchers operating across diverse geographic regions. The Chief Technology Officer maintains a robust technical framework that empowers scientists to accelerate medical breakthroughs, ultimately enhancing the quality of care provided to service members and civilians alike.

Arnaud Belard, the Chief of Staff at HJF, coordinates executive operations to ensure alignment with the nonprofit mission of supporting military medical research. Belard manages high-level communications between the leadership team and external stakeholders, facilitating efficient decision-making processes. Overseeing organizational workflows, the Chief of Staff executes strategic initiatives that streamline administrative support for scientific programs. This role requires constant interaction with the Board to monitor progress on key institutional goals and long-term objectives. Arnaud Belard drives cross-departmental collaboration, ensuring that resources reach critical research projects effectively. By refining internal governance structures, the Chief of Staff enhances the overall agility of the organization. Belard maintains a focus on operational excellence, ensuring that all administrative functions support the broader goal of improving health outcomes for military personnel. Through meticulous planning and execution, the Chief of Staff secures the stability necessary for sustained scientific advancement.

Brock Hall, the Interim Chief Human Resources Officer at HJF, directs talent acquisition and workforce development strategies essential for supporting military medical research. Hall architects comprehensive programs that attract specialized scientific talent to the organization. Overseeing employee engagement and retention, the Interim Chief Human Resources Officer ensures that the workforce remains aligned with the mission of advancing medical care for service members. This leadership role involves managing complex compensation structures and benefits packages that support a diverse team of researchers and administrative staff. Brock Hall drives initiatives focused on professional development, fostering a culture of excellence within the organization. By implementing robust performance management systems, the Interim Chief Human Resources Officer optimizes team productivity across all departments. Hall collaborates with executive leadership to address organizational culture needs, ensuring that the human capital strategy directly supports the long-term sustainability of critical scientific programs.