Jennifer Johnson is the U.S. Department of Health and Human Services (HHS) Deputy Assistant Secretary for Acquisitions (DAS-A) and Senior Procurement Executive (SPE) – the top Department executive responsible for the strategic management, oversight, and execution of HHS' acquisition programs. In this capacity, she provides executive leadership in shaping acquisition policy, ensuring compliance with Federal acquisition statutes, driving operational excellence across all procurement activities, and serves as the principal acquisition advisor to HHS senior leadership, including the Secretary, Deputy Secretary, and Chief Acquisition Officer (CAO)/Assistant Secretary for Financial Resources (ASFR) in carrying out their responsibilities for leading the Department’s acquisition program of over $25B annually in federal contracts.

Previously, Ms. Johnson served as the Executive Director for the Office of Acquisition Policy, Legislation, Oversight & Workforce for HHS where she advised the DAS-A/HHS SPE and CAO/ASFR on the formulation and promulgation of Department-wide policy, proposed legislation, regulations governing the Department's acquisition programs, and provided executive leadership of the acquisition workforce certification, training and development and procurement oversight and compliance programs.

Prior to joining HHS, Ms. Johnson served as Associate Director for Acquisition Policy, Oversight and Business Strategies for the U.S. Department of Transportation’s (DOT) Office of the Senior Procurement Executive in the Office of the Secretary (OST). Earlier in her career, she previously held roles as an Acquisition Policy Team Lead, Small Business Specialist and Contracting Officer at the Federal Highway Administration. She worked as a contracting professional in the private sector prior to joining the Federal Government. Ms. Johnson has over 19 years of experience as an acquisition professional and holds a Master of Public Administration, Bachelor of Science of Administration of Justice – both from George Mason University and a Master’s Certificate in Government Contracting from The George Washington University.

In August 2025 Mr. Parker was appointed DPED of OALC and VA’s Deputy Chief Acquisition Officer. In this role, he is responsible for leadership and oversight of over 17,000 acquisition and support personnel across VA’s portfolio of Acquisition, Logistics and Construction activities directly supporting the delivery of benefits and healthcare at 1380 facilities for over 9 million Veterans.

He previously served as Associate Executive Director of the Strategic Acquisition Center (SAC) and the National Acquisition Center (NAC)
as Head of the Contracting Activity (HCA). This multi-disciplined organization of 700 acquisition professionals and support staff operationalized a contracts portfolio of over $400B. Under his leadership, the SAC and NAC provided acquisition and logistics solutions that expanded access and quality of healthcare and services provided to Veterans and their families. SAC and NAC awarded and administered contracts across VA national programs including Community Care Network, national 
pharmaceutical and prime vendor, telehealth, prosthetics, medical-surgical prime vendor, medical equipment, medical disability exams, VA home loan and education, as well as enterprise supply and service contracts impacting every phase of the Veteran lifecycle. In addition, he oversaw nine medical Federal Supply Schedules and $1billion per year nationwide direct-to-Veteran durable medical equipment (DME) fulfilment operation with associated warehouses and logistics. Prior to joining VA, he served in the U.S. Navy as a Supply Corps Officer and retired as a Captain with 30 years of service. As Director of Contracting for the Navy’s Office of Special Projects, he directly enabled the Navy’s highest priority programs. He also served as the Division Chief for Strategy and Readiness on the 
Joint Chiefs of Staff, J4, where he developed logistics strategy and planning factors for joint operation plans and recommended logistics investments in support of national military objectives. Mr. Parker served as Commanding Officer for the Fleet Logistics Center for Europe and Africa, leading 600 personnel across 10 
operating sites. He optimized and coordinated theater logistics and acquisition in support of fleet and 
expeditionary units; delivered emergent ship repairs; provided safe refueling and operational logistics at ports and aviation sites; and established deployable logistics teams to support operations in austere 
environments across two continents.

Prior to command, he served as Director of Contracting for Naval Supply Systems Command, where he acquired weapons system support, theater logistics, and led Navy wide efforts that re-engineered and implemented new global ship port visit and voyage repair processes. He was awarded the Defense Superior Service Medal, Legion of Merit (3), Meritorious Service Medal (3) and various individual, unit and campaign awards. 

CAREER CHRONOLOGY:
2025 – Present Deputy Principal Executive Director, Office of Acquisition, Logistics & Construction
2021 – 2025 Assistant Executive Director, Strategic Acquisition Center & Nat’l Acquisition Center
2019 – 2020 Director of Contracting, Navy Office of Special Projects, Washington, D.C.
2017 – 2019 Division Chief Strategy and Readiness, Joint Staff J4, Washington, D.C.
2015 – 2017 Commanding Officer, Fleet Logistics Center for Europe and Africa, Sigonella, Italy
2012 – 2015 Assistant Commander (Contracts), NAVSUP Headquarters, Mechanicsburg, PA

EDUCATION:
2012 Master in National Decision Making and Strategy, Naval War College, Newport, RI 2011 The Executive Program, University of Virginia Darden School of Business, Charlottesville, VA

2003 Master of Business Administration (Contracting); Naval Postgraduate School, Monterey, CA
1991 Bachelor of Arts; Foreign Affairs; University of Virginia, Charlottesville, VA

Melanie Keller, MBA, serves as the Food and Drug Administration's Deputy Commissioner for Operations and Chief Operating Officer.  In this role, Ms. Keller leads the management of business programs and operations, including human resources and facilities, across the global FDA enterprise of nearly 17,000 world-class scientific, technical, and professional experts dedicated to promoting and protecting the public health of all Americans.

Ms. Keller brings 30 years of distinguished operational leadership within the Department of Health and Human Services. She is a recognized transformational leader and a trusted advisor to senior leadership.  Before assuming her current position, Ms. Keller served as the FDA's Deputy Associate Commissioner for Operations and Deputy Chief Operating Officer, where she was responsible for directing a $7 billion enterprise budget and an operations department of over 3,000 employees delivering shared services to FDA Centers, Offices, and Programs.

Prior to that, she was the agency’s Chief Talent Officer for eight years, where she led the transformation and implementation of an alternative hiring and pay system that provides enhanced pay flexibility and faster time-to-hire for the world-class workforce the FDA requires for its public health mission. Before that, Ms. Keller served for seven years as Executive Officer in the FDA’s Center for Drug Evaluation and Research, directing a $3 billion budget and leading operations for the center, including overseeing the management functions that support drug evaluation and research activities.

Earlier in her career, Ms. Keller spent 11 years in various leadership roles at the National Institutes of Health (NIH), including as the as the Executive Officer at the Center for Scientific Review, ensuring that NIH grant applications received fair, independent, expert, and timely reviews free from inappropriate influences among other roles.

Ms. Keller holds a B.S. in Management Studies and Human Resources and an M.B.A. from the University of Maryland Global Campus and is a graduate of the Program on Negotiation at Harvard Law School. 

Cody Inman serves as Principal Deputy Assistant Secretary at the Administration for Children and Families (ACF), where he oversees agency-wide programs advancing the well-being of children, youth, and families. He also performs the duties of the Commissioner of the Administration on Children, Youth and Families (ACYF) (delegated), overseeing the Children’s Bureau and the Family and Youth Services Bureau.

Inman brings extensive leadership experience across federal and state government, with a strong background in human services policy, grants management, and technology modernization. He has led government-wide efforts to modernize federal grants systems, coordinating across more than 50 agencies to improve transparency, performance, and program integrity across a $600 billion portfolio.

He previously served as a senior advisor at the U.S. Department of Housing and Urban Development and as a Senior Policy Advisor to the Governor of Oklahoma. He also held senior leadership roles at the Oklahoma Department of Human Services, leading reforms across child welfare, disability, and aging systems to improve access and services for individuals with high-acuity needs.

Throughout his career, Inman has focused on connecting policy, technology, and operations to strengthen program delivery, improve program integrity, and achieve better outcomes in human services.

He is a graduate of Oral Roberts University, where he earned a degree in pre-law with a minor in business management and history.