Member of SEP (1980-); Fellow of SPIE (1982 - ); Vice-President of PKOpto (1985 - ); Member of PTF (1985-); IEEE Senior Member (1985 – ); Member of PTETiS – (1986 - ); Member of the LIA - Laser Institute of America (1987 - ); Member of the OSA - Optical Society of America (1987 - ); Founding Member of EOS - European Optical Society (1990 - ); Member of EPS - European Physical Society (1990 - ); President D.D.Eisenhower Fellow (1992 - ); Editor of SPIE Proceedings Series (1986-), Photonics Spectra (1988 - ); Member of the Editorial Boards of Laurin Publishing Company (1989 - ); Member of Scientific Program Board of Journal Elektronika (2001-); Member of Photonics Society of Poland (2007 - ); Chief of the Editorial Board - Photonics Letters of Poland (2009 - );