Knowledge Network


Science Mission Directorate (SMD)

George Albright George Albright

George Albright has had a long career in aerospace development and management, initially at the Grumman Corporation and currently at NASA Headquarters. He joined NASA in 1992 as the program manager for the Hubble Space Telescope. Following Hubble, he completed program executive assignments for the HESSI, GALEX, and the Gravity Probe B missions. He currently is a program executive in the Science Mission Directorate Heliophysics Division, where he is responsible for the Interface Region Imaging Spectrograph. He has strong backgrounds in program management, systems engineering, electronic systems, software engineering management, and capability maturity measurement. He has served on various management committees and advisory panels within NASA dealing with the revitalization and reinvention of NASA as a strong systems management culture. He has spoken often at NASA management seminars on leadership, systems engineering, and the facilitation of knowledge based organizations.

Langley Research Center (LaRC)

Manjula Ambur Manjula Ambur

Manjula Ambur has over 22 years of experience at NASA in leading the design and implementation of enterprise information systems. She is Langley Research Center Chief Knowledge Officer and is head of the Information Management Branch (IMB) that is responsible for supporting Center technical excellence. Under her leadership, IMB successfully implemented enterprise search using Google, experts directory, document management, data storage and management, digital document repository, and image repository systems, and Agency-wide digital library systems. She has led the development of NASA Langley Knowledge Management plan and contributed to the development of Agency KM plan, information architecture, and portal implementation. Currently, she is leading the Center-wide deep analytics and data mining using IBM Watson technologies. Her key expertise areas are strategic planning, organizational leadership, data, information and knowledge management, large data systems, enterprise search, content analytics and data mining. She has Master of Science degrees in Biology and Computer Information Systems.

Kennedy Space Center (KSC)

Michael Bell Michael Bell

Michael Bell is John F. Kennedy Space Center Chief Knowledge Officer and also serves as the program manager for the Agency’s Lessons Learned Information System (LLIS). In this position, he promotes and facilitates knowledge collection and knowledge sharing.

Space Technology Mission Directorate (STMD)

Prasun Desai Parson Desai 

Dr. Prasun Desai is the Director of the Strategic Integration and Analysis Office within the Space Technology Mission Directorate (STMD). Desai has worked at NASA for more than two decades; he spent 19 years at NASA Langley Research Center as a senior systems engineer applying expertise in the fields of atmospheric flight dynamics, systems optimization, engineering of entry systems, flight operations, and design robotic and human systems. He has received numerous awards for his work on various NASA missions, including the Exceptional Engineering Achievement medal from NASA in 2004 for his contributions on the Mars Exploration Rover Mission and was subsequently awarded the 2005 National Engineer of the Year Award from American Institute of Aeronautics and Astronautics. Dr. Desai has a Bachelor of Science in Mechanical Engineering from Rutgers University, a Master of Science in Astronautics from the George Washington University, and a Doctorate in Aerospace Engineering from the University of Illinois.

Glenn Research Center (GRC)

Marton Forkosh Martin Forkosh

Marton Forkosh has 30 years of experience at Glenn Research Center in the area of System Engineering. Over the years, he participated in a number of programs and projects at the Center and Agency level including serving as the Space Station Freedom Electrical Power System (WP4) Systems Engineer. Responsibilities included development and maintenance of the Architectural Control Document; detailed to Headquarters as the power system manager for Space Station Level 1; assisted the NASA Chief Engineer in the negotiations with Russia to define the architecture of the International Space Station, which resulted in the current configuration of the Station; served on the Joint US/ Russia Solar Dynamic Power Demonstration Project as manager for International Integration; and led the development and implementation of the Space Mission Excellence Program (SMEP) at GRC, which proved to be highly successful and produced 75 systems engineers for GRC. The SMEP program served as a model for the Agency Systems Engineering Leadership Development Program (SELDP). For the past eight years, he has served as the chair of the GRC Training Committee, a member of the International Council on Systems Engineering (INCOSE), and an associate director for International Growth. He is one of the founders of the Cleveland chapter of INCOSE.

History Office (HO)

Stephen Garber Stephen Garber

Stephen Garber is a historian in the NASA History Program Office. He has also worked in the Department of Defense’s Space Policy office, the Congressional Research Service, and NASA’s Legislative Affairs office. He has a Bachelor of Arts in Politics from Brandeis University, a Master of Arts in Public and International Affairs from the University of Pittsburgh, and a Master of Science in Science and Technology Studies from Virginia Tech. He has done research and writing on topics such as orbital debris, NASA’s organizational culture, the design of the Space Shuttle, the Soviet Buran Space Shuttle, and is currently finishing a policy history of NASA’s Decadal Planning Team and President George W. Bush’s Vision for Space Exploration.

Human Exploration Operations Mission Directorate (HEOMD)

Patrick Johnson Patrick Johnson

Patrick Johnson joined NASA in early 2014 as a program specialist in Human Exploration and Operations Mission Directorate (HEOMD), with a focus on Technical Facility Utilization, Construction of Facilities (CoF), and Historical Preservation/NEPA. Johnson was previously a project manager at ARES Corporation for four years where he managed two NASA contracts in HEOMD and Office of Safety and Mission Assurance and contributed significantly to the Risk and Knowledge Management products developed by former HEOMD CKO, David Lengyel. Johnson began his career in finance with UBS in New York, before relocating to Washington, DC. He received his Bachelor of Science in Organizational Development from Vanderbilt University, where he also played football for four years as a place kicker. Johnson later returned to Vanderbilt where he earned his Masters of Business Administration in Finance.

NASA Safety Center (NSC)

Mike Lipka Mike Lipka

Mike Lipka is responsible for the design and implementation of the Knowledge Management program for the NASA Safety Center and Safety & Mission Assurance community. His core work is focused on knowledge strategy and needs assessment, developing communities of practice, and identifying and implementing knowledge sharing opportunities. Prior to his work at the NSC, he worked at the Federal Reserve Bank of Cleveland implementing knowledge transfer programs focused on breaking down organizational silos and developing new ideas while emphasizing the dynamic between corporate culture and knowledge management. He has served as the project manager for the Air Force Knowledge Now program and helped launch Ernst & Young’s Center for Business Knowledge.

Office of the Chief Health and Medical Officer (OCHMO)

David Liskowsky David Liskowsky

David Liskowsky serves as the Director for Medical Policy and Ethics within the Office of the Chief Health and Medical Officer. He is responsible for directing the implementation of NASA’s medical policy and guidance, including the translation of NASA medical policy to space mission requirements and standards, the interface of NASA’s biomedical and life sciences research programs with medical policy, the transition of research products and deliverables to NASA medical practice, and the oversight of human and animal research subject protection in NASA funded and supported research. He also serves as the NASA Headquarters lead for Health and Medical Technical Authority. David earned a BS in Psychology/Neuroscience from Northeastern University and a PhD in Psychology/Neuroscience from the University of Miami.

Marshall Space Flight Center (MSFC)

Paul McConnaughney Paul K. McConnaughey

Dr. Paul K. McConnaughey is the associate director, technical, supporting the Office of the Center Director at NASA’s Marshall Space Flight Center. He performs special studies, advises and assists in policy review, manages and reports on center-wide metrics, and develops new technical benchmarking strategies. McConnaughey joined Marshall in 1986 as a mathematician in the Systems Dynamics Laboratory and soon advanced to supervisory positions, including team lead, and later branch chief and division chief. In 2012, he became the chief engineer in the Exploration Systems Development Division, where he was the lead technical authority on all technical and engineering matters.

Office of Human Capital Management (OHCM)

Billy McMillan Billy McMillan

Billy McMillan serves as the FIRST Leadership Development Program Manager and Human Innovation Officer at NASA HQ Office of Human Capital Management Workforce Engagement Division. He combines his business integration manager experience with his passion for development in order to support the growth of future leaders and to cultivate a new, more innovative, way of being for NASA employees.

Prior to OHCM, McMillan spent six years working as a business integration manager for the Launch Services Program (LSP), managing 64% of the overall budget. During his time with LSP, he was also able to lead development and innovation initiatives for Kennedy Space Center (KSC) and the Agency such as: Agency Barriers to Innovation, KSC Innovation Expo, co-author of KSC’s Innovation Guide, conducting Human Innovation Training, establishing KSC Launching Leaders as a highly involved ERG, and co-authoring KSC Sustainability Plan.

Ames Research Center (ARC)

Donald Mendoza Donal Mendoza 

Dr. Donald Mendoza is a senior systems engineer for the NASA Ames Research Center and the chairman of the Center’s Lessons Learned committee. He is responsible for establishing the policies and procedures that the Center uses to capture and disseminate lessons learned. His experience covers a board range of areas including flight tests, wind tunnel tests, applied research in fluid mechanics, photochemistry, photonics, air transportation, spacecraft technology, information technology, and system safety and quality assurance. He has authored over 400 lessons learned covering all of these subject areas. He performed his undergraduate and doctorate work at the California Polytechnic State University and the University of California, Berkeley, respectively.

Cost Analysis Division (CAD)

Donald Mendoza Ted Mills 

Ted Mills is an Operations Research Analyst in the Office of Evaluation, Cost Analysis Division (CAD) of NASA. He is a retired Navy Captain and former Commanding Officer of an aircraft carrier based aviation squadron and a major shore installation. He has had budgetary assessment experience at multiple levels in the Navy, where he provided analytical support to the Navy’s $120 billion budgetary plan, including the $35 billion Naval Aviation budget and procurement plan. Mills is a graduate of the U.S. Naval Academy and holds a Master of Science in Operations Research from the Naval Postgraduate School. He is also a graduate of the Naval War College and of the National Defense University’s Joint Forces Staff College.

Armstrong Flight Research Center (AFRC)

Bradford Neal Bradford Neal

Bradford Neal is Chief Engineer at NASA’s Armstrong Flight Research Center. He provides independent technical guidance and oversight to Armstrong flight projects to ensure conformance with Center and Agency standards, policies, and processes. In addition, as chair of the Airworthiness and Flight Safety Review Board, he is responsible for determining and providing the appropriate level of independent technical review for each project prior to flight. He served as deputy chief engineer from 2008 until being named acting chief engineer in November 2011. He received the official appointment in June 2012. From 1987 to 2008, he was an operations engineer at NASA Armstrong, specializing in the integration, test and operations of flight research vehicles and experiments. Among projects to which he was assigned were the X-31 Enhanced Fighter Maneuverability Demonstrator, Hyper-X / X-43A Hypersonic Research Vehicle, the Stratospheric Observatory for Infrared Astronomy and the Linear Aerospike SR-71 experiment. He also was an engineer on projects with the F-104, Advanced Fighter Technology Integration F-16 and F-16XL laminar flow research aircraft and has served as mission controller for flight activities. He earned a Bachelor of Science in Aeronautical and Astronautical Engineering and a Master of Science in Aeronautics and Astronautics, both from Purdue University. He began his career at Armstrong as a cooperative education student and joined the full-time engineering staff following completion of his undergraduate studies.

Aeronautics Research Mission Directorate (ARMD)

Neal Nijhawan Neal Nijhawan

Neal Nijhawan is the Point of Contact for the Aeronautics Research Mission Directorate (ARMD) at Headquarters in Washington, D.C.

Independent Verification and Validation (IV&V)

Jeff Northey Jeff Northey

Jeff Northey leads the Strategic Communications Office (SCO) for NASA’s Independent Verification and Validation (IV&V) Program. The SCO office is responsible for knowledge management, quality management, risk management, lessons learned, success stories, metrics, records management, internal communications, surveys, public affairs, educational outreach, social media, and public websites for the IV&V Program. He has worked for the IV&V Program since 2003 and has performed IV&V analysis, led the Technical Quality and Excellence (TQ&E) team, managed the IV&V software assurance tools lab, and led development of and updates to key IV&V Program technical assets. Northey has Bachelor degrees in Computer Engineering and Electrical Engineering from West Virginia University.

Jet Propulsion Laboratory (JPL)

David Oberhettinger David Oberhettinger

David Oberhettinger serves as the acting chief knowledge officer at the NASA/Caltech Jet Propulsion Laboratory (JPL). Additional duties for the JPL Chief Engineer include managing the JPL Engineering Standards Office and the JPL Spaceflight Engineering Research Program, as well as chairing the JPL Lessons Learned Committee. For 25 years, he has been involved in knowledge management and lessons learned capture. Before 2005, he managed the Spacecraft Engineering Technology Department of Northrop Grumman. Technical work included serving as Risk Manager for the Jovian Icy Moons Orbiter (JIMO) mission study contract and chairing the Failure Review Board for a large JPL project. Prior to this, he managed a contractor office at NASA Ames Research Center and performed engineering work at NASA Ames. He presently serves as general chair of the 60th annual Reliability & Maintainability Symposium. (

Goddard Space Flight Center (GSFC)

Ed Rogers Edward Rogers

Dr. Edward Rogers is the chief knowledge officer (CKO) at the NASA Goddard Space Flight Center. Rogers joined NASA in May 2003 as the Center’s Chief Knowledge Architect working first in the Safety and Mission Assurance Directorate and then in the Office of Mission Success. He became the CKO for the Center in 2006 and subsequently moved to work for the director. He introduced the Pause and Learn (PaL) process, developed an internal case study methodology, designed and runs the Goddard Road to Mission Success workshop series, and promotes knowledge sharing and collaboration across the Center. The son of a physicist, Dr. Rogers grew up in Saudi Arabia, received a Bachelor of Science in Agronomy from the Ohio State University, a Master degree in International Business from the University of South Carolina, and a Doctorate from Cornell’s School of Industrial and Labor Relations. He continues to write and speak about how organizations can foster transparent learning to leverage collective intelligence. He advises senior leaders on how to shape organizations for learning and uncover thinking patterns that inhibit innovation. He believes in having fun.

Johnson Space Center (JSC)

Jim Rostohar Jim Rostohar

Jim Rostohar was named the Chief Knowledge Officer for NASA’s Johnson Space Center in October 2016. Jim is responsible for designing enterprise architecture, conducting research, leading implementation planning, and providing expert consultation and oversight for the center’s knowledge management activities. He conducts knowledge management campaigns, workshops and benchmarking as well as agency and industry collaboration efforts. Additionally, he serves as the center’s Quality Management Systems Representative, maintaining certification to the ISO 9000 and AS 9100 standards while evaluating the quality of processes, products and services. He also manages the JSC History Office, including the oral history project, archival materials, documents and resources.

Jim previously served as the JSC Communications and Public Affairs Director, and was responsible for planning and coordinating the dissemination of information about NASA programs, projects and policies to the general public and media organizations.

Stennis Space Center (SSC)

John Stealey John Stealey

John Stealey is the Associate Director of the Engineering and Test Directorate at Stennis Space Center (SSC). He is responsible for ensuring the safe and efficient operation and maintenance of SSC’s rocket propulsion test assets. In 1987, he began his career with NASA at Kennedy Space Center (KSC) as an operations engineer in the Shuttle Processing Directorate. At KSC, he served in various positions in the Launch and Landing Office, including Lead Landing and Recovery Director and Senior NASA Test Director. He transferred to SSC in 1998 and served as the B-2 Test Stand Director, Engineering Project Manager, and Acting Manager of the Safety & Mission Assurance Office. John earned a Master degree in Systems Design and Management from the Massachusetts Institute of Technology, a Master degree in Engineering Management from University of Central Florida, and a Bachelor degree in Engineering Mechanics from Southern Illinois University at Carbondale.

Scientific and Technical Information (STI)

Gerald Steeman Gerald Steeman

Gerald Steeman is content manager for NASA’s Scientific and Technical Information Program Office. He has worked in library and content management roles for 20 years at NASA, the Office of Naval Intelligence (ONI), and the Institute for Defense Analyses (IDA). He has an MSLS from Catholic University of America and a CIO Certificate from the National Defense University’s Information Resource Management College.

NASA Engineering Network (NEN)

Daria Topousis Daria Topousis

Daria Topousis works in the Application Development and Engineering Division of the Jet Propulsion Laboratory (JPL), where she is project manager of the NASA Engineering Network, a collaborative system that includes strategic communities of practice, federated search, NASA’s official lessons learned, expertise locators, and other resources for NASA engineers. She has 17 years of experience working on collaborative tools and information systems at JPL.

Office of Procurement (OP)

Barbara Trujillo Barbara Trujillo

Barbara J. Trujillo is a procurement analyst at NASA Headquarters Office of Procurement (OP). Working in the OP Analysis Division, she is primarily responsible for leading NASA procurement organizations in Knowledge Management. She works with the acquisition and procurement community to ensure they have the information and tools needed to successfully complete their mission effectively and efficiently. Early in her contracting career, Trujillo worked at the New Mexico State University, Physical Science Laboratory supporting multiple NASA programs to include the high-altitude balloon program. She has spent the past 23 years as a Department of Defense contracting professional supporting the Army Signal Corp with engineering, information technology, communications, and satellite requirements; supporting the broad spectrum of acquisition programs; and developing contract policy at the Army Headquarters, Assistant Secretary of the Army (Acquisition, Logistics and Technology) Procurement office. Most recently, she worked for the Office of Secretary of Defense (Acquisition, Technology and Logistics), Defense Procurement and Acquisition Policy, Contingency Contracting developing contract policy and procurement tools in support of emergency procurement and military operations overseas. She holds a Bachelors of Accountancy from New Mexico State University, and she is a member of the National Contract Management Association.

NASA Engineering and Safety Center (NESC)

Dan Yuchnovicz Dan Yuchnovicz

Before joining NASA 10 years ago, Daniel Yuchnovicz worked for more than 20 years in the aerospace and defense industries as a systems engineer. He currently works in NASA Engineering and Safety Center (NESC) responsible for knowledge sharing of technical information that is gained from NESC work.

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