Dumitru-Dorin Prunariu works for the Romanian Space Agency as an expert within the Romanian Association for Space Technology and Industry - ROMSPACE.
In May 1981 Prunariu accomplished an 8 days space flight on board Soyuz-40 spacecraft and Saliut-6 space station.
Prunariu is one of the founding members of the Association of Space Explorers (ASE). Since 2010 Prunariu serves as president of ASE Europe, and since 2011 of whole ASE. Since 2005 he is also a member of the ASE Committee on Near Earth Objects (NEO). Prunariu was elected chairman of the United Nations Committee on the Peaceful Uses of Outer Space (UN COPUOS) for the period of June 2010-June 2012.
Since 1995 Prunariu is also acting as the Vice-President of the European Institute for Risk, Security and Communication Management (EURISC) from Bucharest. Since 1998 until 2004 Prunariu was the President of the Romanian Space Agency. Starting with 2004, he was for almost two years the itinerary Ambassador Extraordinary and Plenipotentiary of Romania to the Russian Federation. Prunariu is a full member of the International Academy of Astronautics, and from 2011 a Honorary Member of the Romanian Academy. In 2012 he was appointed as one of the 15 experts of the Group of Governmental Experts on outer space transparency and confidence-building measures (TCBM), established by the UN General Assembly Resolution 65/68.
Prunariu is a co-author of several books regarding space technology and space flight and has presented/published numerous scientific papers. He earned a degree in aerospace engineering from the University POLITEHNICA of Bucharest and a Ph.D. in the field of space flight dynamics. Prunariu is a Honorary Citizen of several cities and Doctor Honoris Causa of several higher education institutions from Romania, Republic of Moldova and USA.