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Management Team


Nicholas G. Chrissotimos
Associate Director of Flight Projects

Mr. Chrissotimos has 32 years of project/program management experience at the Goddard Space Flight Center (GSFC). He is currently the Associate Director of Flight Projects for Heliophysics where he is the Program Manager for Explorers, Living with a Star and Solar Terrestrial Probes.

Mr. Chrissotimos joined GSFC full-time in 1974 after receiving a BSEE from Pratt Institute. He also has a MSEE from the University of Maryland. He first developed Ground Systems hardware for the NASA STDN tracking stations. Then designed and developed spaceflight hardware while supporting flight projects including, LANDSAT, SARSAT, SEASAT and COBE.

He served on the TDRS Project for eight years as Payload Manager, Spacecraft Manager, and Assistant Project Manager leading to the successful development and launches of TDRS 3 - 7. He later served as the TDRS H,I,J SEB Chairman.

He also has served as the Deputy Project Manager on the EOS Chemistry and Special Flights Project, and as the Earth Systems Science Pathfinder (ESSP) Project Manager where he led the definition, development and implementation of the ESSP program. He then served as the Earth Explorers Program Manager where he managed the development, launch and operations of ESSP and Earth Explorer missions; QuickScat, GRACE, SORCE, QuikTOMS, CALIPSO and CloudSat.

In 2003 Mr. Chrissotimos was appointed as the STEREO Project Manager where he led the project to a successful launch in October 2006. In addition, at that time he was serving as the Deputy Program Manager for the Sun Earth Connection Programs where he was the Living With a Star (LWS) Program Manager responsible for the SDO and Geospace missions.

He recently served as the Associate Director of Flight Projects for the Exploration and Space Communications Projects Division. There he was responsible for the Lunar Reconnaissance Orbiter (LRO) Project, TDRS Project, Space Network and Ground Network Projects and GSFC Constellation Program support.

Mr. Chrissotimos is a recipient of the Meritorious Presidential Rank Award, the NASA Medal for Outstanding Leadership, and Goddard’s Exceptional Achievement Award.


David Mitchell
Deputy Associate Director of Explorers & Heliophysics Projects Division

David Mitchell began his career in 1984 with the Department of Navy testing solid rocket motor systems. In 1987 he joined GSFC with much of his early work focused on expendable launch vehicles, including the successful Delta launches of the Mars Global Surveyor and Mars Pathfinder missions. In 1997, he joined the Geostationary Operational Environmental Satellites (GOES) Program as the Source Evaluation Board chairman, then Observatory Manager, and ultimately as the GOES-N Series Project Manager and GOES Deputy Program Manager. During his tenure on GOES, he was recognized with the NASA Outstanding Leadership Medal. In 2005, he was detailed to the Kennedy Space Center to work on strategic planning initiatives, and then a related detail at NASA Headquarters. In 2006, David worked as a NASA Congressional Fellow in the office of U.S. Senator Bill Nelson. In October 2006, he returned to GSFC and became the Deputy Associate Director of the Earth Science Projects Division. Concurrently, he was the Project Manager for a Mars Scout proposal effort. With MAVEN’s selection as NASA’s next Mars Scout mission, David has become the MAVEN Project Manager. He is also the Deputy Associate Director for the Explorers & Heliophysics Projects Division.

David received his B.S. in Mechanical Engineering from the State University of New York at Buffalo and his M.S. in Engineering Administration from George Washington University. He is a Senior Fellow with the Council for Excellence in Government, a Senior Executive Fellow with the Kennedy School of Government/Harvard University, and is a graduate of NASA’s Senior Executive Service Candidate Development Program.


Gregory Frazier
Deputy Program Manager for Explorers Program

Gregory Frazier has worked at the NASA Goddard Space Flight Center for nearly 30 years. He has worked on numerous flight projects currently performing Earth and Space Science Observations and a mission to Mars.

Mr. Frazier started as a cooperative education student while attending the University of Maryland at College Park. He completed his Bachelor of Sciences in Aerospace Engineering in 1985 and became a member of the Mechanical Engineering Branch. Mr. Frazier designed numerous mechanical systems on flight projects such as the Cosmic Background Explorer, the X-ray Timing Explorer and Gamma-Ray Observatory. He also helped manage missions for the Earth Science Systems Pathfinder Project. He went on to manage the main instrument on the Swift Project, the Burst Alert Telescope.

Following the successful launch of Swift in 2004, Mr. Frazier became a member of the Flight Projects Directorate where he served as the Interstellar Boundary Explorer Mission Manager, which was successfully launched in 2008. Following that, he became the Project Manager for the Sample Analysis at Mars instrument suite on the Mars Sample Laboratory rover Curiosity, which is currently operating on the red planet.


Michael Delmont
Deputy Program Manager for Living With a Star and Solar Terrestrial Probes

Mr. Delmont has over 20 years supporting GFSC Missions. He most recently served as the Chief of the Mission Support Division, which provides direct support to the GSFC projects in the areas of System Safety, Reliability and Quality Assurance from design through flight operations with the objective of assuring and measuring the reliability of the system.

In 2001, Mr. Delmont was appointed as the Deputy Project Manager for the STEREO mission at GSFC. His primary duties included managing the instrument development, and leading the risk management process and launch site processing.

Mr. Delmont supported various in-house missions at GSFC including: Diffuse X-Ray Spectrometer, Extreme Ultraviolet Explorer, Rossi X-ray Timing Explorer and Wilkinson Microwave Anisotropy Probe. He also served as the Agency Program Manager for Workmanship.

Prior to his work at GSFC, Mr. Delmont performed several functions leading to the successful deployment of the mobile communication jamming system, Traffic Jam, at the US Army Harry Diamond Laboratories.

Mr. Delmont has a BS Industrial Engineering from the State University of New York at Buffalo, graduated from the US Army Product/Production Program at the School of Engineering and Logistics and has a MS in Reliability Engineering from the University of Maryland.

Mr. Delmont has received several individual and group awards while serving GSFC missions including the Exceptional Achievement Award and NASA Exceptional Service Medal.


Christine Hinkle
Business Manager for Explorers Program


Pietro Campanella
Business Manager for Living With a Star and Solar Terrestrial Probes Programs

Mr. Pietro Campanella joined the Goddard Space Flight Center (GSFC) in 1985 as a cooperative education student. He began full time in 1987 after receiving a Bachelor of Science degree from Towson State University. He subsequently earned a Master of Business Administration degree from Loyola College in Maryland. Pietro has many years of GSFC experience, including over 20 years in project/program business management. Over the course of his career, Mr. Campanella has received numerous internal GSFC awards as well as the NASA Exceptional Service Medal. He is currently the Program Business Manager (PBM) for the Living With a Star (LWS) and Solar Terrestrial Probes (STP) Programs in the Explorers & Heliophysics Projects Division (EHPD).

Pietro has worked on numerous flight projects over the years, gaining varied (in house and out of house) flight project experiences and increased responsibilities along the way. His experience includes projects/missions such as International Solar Terrestrial Physics (ISTP), Television InfraRed Observation Satellite (TIROS), Gravity Recovery and Climate Experiment (GRACE), Solar TErrestrial RElations Observatory (STEREO), and Lunar Reconnaissance Orbiter (LRO). His management experience includes serving as the Deputy Project Manager for Resources for the Earth System Science Pathfinder (ESSP), STEREO, and LRO projects and as the PBM for the Earth Explores Program, the Robotic Lunar Exploration Program, the Exploration and Space Communication Projects Division, and currently for the LWS and STP Programs.


Joe Burt
Deputy Program Technical Manager

Mr. Burt assumed the position of Deputy Program Manager Technical when Explorers, Solar Terrestrial Probes (STP), and Living With a Star (LWS) began merging in 2007. EHPD has since launched Interstellar Boundary Explorer (IBEX), Wide-field Infrared Survey Explorer (WISE), and the Solar Dynamics Observatory (SDO).

Mr. Burt began his career in the electrical integration and test branch by developing the Cosmic Background Explorer (COBE) command and telemetry electrical ground support equipment. He then developed the Small Explorer (SMEX) Solar Anomalous and Magnetospheric Particle Explorer (SAMPEX) command and data handling system; pioneering the first MIL-STD-1773 fiber optic data bus in space. Later he developed avionics for multiple Space Shuttle flight experiments. Mr. Burt served as the Small Explorer Program systems engineer and eventually the Transition Region And Coronal Explorer (TRACE) mission systems engineer, where the first version of the Integrated Test and Operations System (ITOS) was introduced. Next he served as the Instrument Systems Engineering Branch Head at Goddard before returning as the Mission Systems Engineer (MSE) for the James Webb Space Telescope (JWST) for six years. Then he served as the Robotic Lunar Exploration Program Office Systems Architect where the Lunar Reconnaissance Orbiter (LRO) was conceived. Additionally, he served as the capture manager for Lunar Explorer (LEx); Goddard’s first Lunar Lander proposal followed by a Mars Lander proposal. Mr. Burt was also the Mission Systems Engineering lead for the Heliophysics Projects Division, before it merged into EHPD, where he chaired the Inflatable Re-entry Vehicle Experiment (IRVE) Mishap Investigation Board. Next Mr. Burt revived the Triana/DSCOVR Mission spacecraft and is currently also the acting DSCOVR project manager. (DSCOVR is planned for a 2013 launch)

Mr. Burt came to NASA in 1985 after completing a B.S. Degree in Electrical Engineering from the University of Maryland; 1 class shy of a second B.S. Degree in Mathematics. Later while at NASA he completed a Pre-Med undergraduate degree in 1991.

Over the course of 25 years Mr. Burt has received over 32 awards, including the Outstanding Leadership and Center of Excellence Awards.