Allis holds a Ph.D. in Artificial Intelligence from Maastricht University, The Netherlands, and graduated cum laude with a M. Sc. in Computer Science from the Vrije Universiteit, The Netherlands. He has more than 30 publications to his name; the majority of his published work reports on research in search technologies.
He started his career in 1987 as a freelance teacher, course developer and mentor of various AMBI courses for NOVI. Allis has lectured at the Vrije Universiteit in Amsterdam as an assistant professor in artificial intelligence. In 1995 he joined Bolesian (a knowledge technology firm in the Netherlands which is a daughter company of Capgemini and specialized in developing advanced systems based on artificial intelligence) as a senior consultant and manager. In 1997 he co-founded Quintiq and was appointed as the company’s CEO.
Allis relocated to the Philadelphia office Quintiq in 2010, remaining CEO and a co-owner.