Major activity outside the Warsaw University of Technology and outside Institute of Aviation:
- Chairman of the Committee on Space Research of the Polish Academy of Sciences, since 2002-2019;
- Member of the Committee of Thermodynamics and Combustion of the Polish Academy of Sciences (1983-2020);
- Member of Senate of the Polish Air Force Academy, Dęblin, (2008-2012);
- Editor in Chief of "Archivum Combustionis", Journal of the Polish Academy of Sciences, 1983-2004;
- Redaktor Naczelny „Postępy Astronautyki”, 2001-2006;
- Member of the State Committee for Scientific Research, Section T-12, Mining, Geodesy and Transportation, responsible for Propulsion and Space Research (1988-2002);
- Board for Security and Defense in Ministry of Science; member 1998-2002, Chairman 2001-2002;
- Member of the Scientific Board of the Space Research Center the Polish Academy of Sciences, Since 2003;
- Member of the Council of the National Centre for Research and Development (2012-2016);
- Member of the Board of the Polish Space Agency (2014-2020);
- Institute for Dynamics of Explosions and Reactive Systems, USA, Member of the Board of Directors, 1989-2015, Secretary – 1999-2003;
- Polish Astronautical Society, Member since 1961, President 1987-95, Honorary President since 1995;
- Polish Combustion Institute, since 1995, Chairman, 1995 - 2004;
- Chairman of the Polish Delegation to the UN COPUOS 2002-2018;
- Second Vice-Chairman of United Nations Committee on the Peaceful Uses of Outer Space, UN Vienna ( June 2012-June 2014);
- Member of the Editorial Board, "Journal of Engineering, Physics and Thermodynamics"; Minsk, Belarus, 2010-2016;
- Member of the Editorial Board, "Combustion, Explosions and Shock Waves"; Novosibirsk, Russia (2010-2014);
- Member of the Editorial Board, "Combustion, Explosions and Shock Waves"; Novosibirsk, Russia;(2010-2014);
- Concurrent Professor of Northeastern University in Shenyang, China (1999-2004);
- Visiting Professor at University in Michigan (1982, 1990-1991);
- Visiting Professor at NTU, Singapore, 2008;
- Chair Guest Professor, Kunming University of Science and Technology, China, (2016).