A Min Tjoa is full professor at the Vienna University of Technology for Software Technology since 1994 after being a full professor at the University of Vienna for Information Systems (1988-1994) and Informatics (1982-1988).
He was guest professor at the University of Zurich, the Technical University in Lausanne, Czech Technical University in Prague, University of Linz, University of Klagenfurt, Wroclaw University of Economics and the University of Kyushu. Currently he holds a guest professorship at the National Institute of Informatics (NII-Japan)
He is the president of the Austrian Indonesian Society (“Lembaga Persahabatan Austria – Indonesia) since 2017.
He was the president of the Austrian Computer Society from 1999 to 2003.
Since 2008, he has been the Austrian delegate for the United Nations Committee of Science and Technology Development (UN-CSTD). He was the Chairperson of UN-CSTD for the period 2018/2019 being its vice-chairperson for the periods 2015/16, 2016/2017, 2017/2018, 2019/2020 and 2020/2021.
Currently, he holds the executive-chairperson position at the Austrian National Competence Center for Excellent Technologies (COMET- Competence Center for Excellent Technology) in the field of IT-Security (SBA).
He has been awarded the Honorary Doctoral degree (Doctor Honoris Causa) from the Czech University of Technology in Prague for his research work, the Honorary Professor title from Hue University (Vietnam) and the Kempelen Medal of the Technical University of Bratislava (Slovakia).
He has published more than 250 peer reviewed articles in journals and conferences.