He is Professor and Chairman at the Department of Biomaterials, and Dean of Research at the Faculty of Dentistry, University of Oslo (Norway).

He was research director of Biora AB (Sweden) from 1997 to 2001 where he o-inventor of Emdogain, Emdogain Gel and PrefGel (Straumann AG, Switzerland) for the dental market and Xelma (Mölnlycke Health Care AB, Sweden) for chronic wound care
market. He was co-founder and CEO of Corticalis AS (Norway).

He has received several prizes, including the University of Oslo – Birkeland Innovation Award 2009 and the gold medal for excellence in science 1997 handed by his Majesty King Olav V.