DLH Executive and Leadership Team

Zachary Parker, the President & Chief Executive Officer at DLH, directs the company's overarching strategy and operational execution. Parker guides DLH's mission to deliver technology-enabled business process outsourcing, program management solutions, and public health research and analytics services across the United States. This leadership role involves steering the company's digital transformation initiatives, including the integration of artificial intelligence, machine learning, and cloud enablement. Parker ensures DLH's cybersecurity ecosystem and big data analytics capabilities effectively serve critical government clients such as the National Institutes of Health and the Defense Health Agency. Overseeing all major corporate decisions, Zachary Parker drives the company's growth and market positioning within the federal technology services sector. The President & Chief Executive Officer's vision shapes DLH's engagement with advanced modeling and simulation projects for entities like the US Navy Naval Information Warfare Center.

Kathryn JohnBull, the Chief Financial Officer at DLH, manages all financial operations and fiscal strategy for the organization. JohnBull oversees budgeting, financial planning, and reporting, ensuring robust financial health and compliance across DLH's diverse service offerings. This executive function includes managing capital allocation for technology investments, such as artificial intelligence and cloud enablement, and assessing the financial viability of new program management solutions. Kathryn JohnBull works closely with the President & Chief Executive Officer to align financial objectives with the company's strategic goals, particularly in serving public health research and analytics clients like the National Institutes of Health. The Chief Financial Officer's responsibilities extend to optimizing financial performance for digital transformation projects and cybersecurity initiatives. By maintaining stringent financial controls, Kathryn JohnBull supports DLH's capacity to deliver complex solutions to government agencies, including the Defense Health Agency and the US Navy Naval Information Warfare Center.

Mary Dowdall, the President at DLH, directs key operational functions and drives business development initiatives within the organization. Dowdall focuses on expanding DLH's reach in providing technology-enabled business process outsourcing and program management solutions to federal clients. This leadership position involves overseeing the execution of digital transformation and cybersecurity projects, ensuring alignment with client needs and corporate objectives. Mary Dowdall works to enhance DLH's capabilities in areas such as artificial intelligence, machine learning, and cloud enablement. The President's strategic oversight supports critical engagements with agencies including the National Institutes of Health and the Defense Health Agency. By fostering strong client relationships and driving operational excellence, Mary Dowdall contributes significantly to DLH's market presence and growth in the public sector technology services landscape.

Joseph Martin, the Chief Medical Officer, Dlh Corporate at DLH, provides critical medical and public health expertise to guide the company's service development and client engagements. Martin leads the strategic direction for DLH's public health research and analytics services, ensuring scientific integrity and operational effectiveness. This role involves advising on the application of technology-enabled solutions, including big data analytics and modeling, to complex health challenges faced by government agencies. Joseph Martin collaborates with leadership to enhance DLH's offerings for clients such as the National Institutes of Health and the Defense Health Agency. The Chief Medical Officer, Dlh Corporate's insights are vital for developing and refining solutions in areas like telemedicine and advanced research. By bridging medical knowledge with technological capabilities, Joseph Martin ensures DLH effectively supports public health missions and contributes to improved health outcomes across the United States.