He has a B.A. in economic analysis, a M.A. in Development Economics, as well as Doctorates in Economics/Systems Theory, and in Management/Innovation Management.
He has been married for more than 50 years and has two adult children and four grandchildren.
He retired from University of Maribor as Professor Emeritus in Systems and Innovation Theory. He has more than 1,600 publications in more than 40 countries. He has more than 60 publications and close to 400 citations. He was visiting professor abroad for 15 semesters - including Cornell University and other Universities in Austria, China, Germany, Mexico and USA. He has served as consultant or speaker in/for enterprises - about 500 times in six countries.
- Dialectical Systems Theory
- Innovative Business Paradigm for countries/enterprises
- Methods of creative interdisciplinary cooperation
Mulej was nominated to become a member of the New York Academy of Sciences in 1996, the European Academy of Sciences and Arts, Salzburg (2004), the European Academy of Sciences, Arts and Humanities, Paris in 2004 and the International Academy for Systems and Cybernetic Sciences in 2010. He served as the President of the latter until 2012. He was President of the International Federation for Systems Research from 2006 to 2010.
He received many rewards for his work on the systems approach to innovation in Yugoslavia, Slovenia, Maribor and University of Maribor.
- Kevin Hindle; Kim Klyver (1 January 2011). Handbook of Research on New Venture Creation. Edward Elgar Publishing. p. 7. ISBN 978-0-85793-306-5. Matjaž Mulej and Miroslav Rebernik offer a refreshing and challenging approach to the way we might think about new venture creation, 'Modelling the innovative new venturing process in terms of dialectical systemic thinking'.
- IZUM/Cobiss/Bibliographies, 08082