In 1964 he was appointed Associate Professor at the Institute of Mathematical Statistics and Operations Research, Technical University of Denmark.
In 1967, he co-founded and led OAC, Operations Analysis Corp., an international consultancy specializing in Operations Research and in 1971 he co-founded SimCorp (currently listed on the NASDAQ OMX Nordic Exchange) that provides specialized software and financial expertise for the investment management industry; he no longer has any connection with or financial interest in the company.
His research focus while at CBS was to integrate perspectives from management, philosophy, and spirituality to develop values-based approaches to leadership and ethics.
Since his retirement in 2003, he has taught Research Methodology to PhD students in India and lectured internationally on spiritual-based leadership.
He has authored 15 books and roughly 150 articles in international scientific journals as well as lectured frequently in Europe, the US, and India, originally on operations research and then on values in the workplace, organizational ethics, social and ethical accounting, and corporate responsibility and, since the turn of the century, focusing mainly on spiritual-based leadership.