Kathleen (Kate) O'Sullivan, M.S., M.B.A., is the Executive Officer (EO) and Director of the Office of Management (OM) at the National Heart, Lung, and Blood Institute (NHLBI), National Institutes of Health (NIH). Kate brings to NHLBI her senior-level management and administrative expertise gained during her nearly 25-year career in the Department of Transportation and the U.S. Air Force, as well as her formal education in engineering science, national resource strategy, and business administration. She joined the NHLBI in September 2011.

As EO and Director of OM, Kate oversees managerial and administrative support to the Institute, including financial management, IT operations, workforce management, management analysis, policy development, emergency preparedness, freedom of information and privacy, and a variety of other administrative services. Her efforts help staff find ways to increase efficiency and "work smarter" as the Institute faces difficult budget times.

Kate came to the NIH from the Federal Motor Carrier Safety Administration, a regulatory and grant-making agency where she served as the Chief Financial Officer from 2007-2011, as well as the Acting Associate Administrator for Administration from 2008-2011. Prior to that, she had been appointed Chief Financial Officer of the Air Force Real Property Agency, where her responsibilities included leading all financial management programs, safeguarding resources, ensuring legal adherence, establishing management control processes, and budgeting and executing a $150 million portfolio. From 1987-2004, she served in several positions for the Air Force in Texas and Virginia, moving up to Deputy Division Chief and Supervisory Logistics Management Specialist. During this time, she received multiple performance awards and two Meritorious Service Medals.

Kate received a Bachelor of Science degree in engineering from Trinity University in San Antonio, Texas. She also received her M.B.A. from The University of Texas at Austin and a Master of Science in national resource strategy from the Industrial College of the Armed Forces in the National Defense University.