He received his Ph.D. in international marketing from Odense University in Denmark. Similarly, he received his M.Sc. in International Business Administration from Aalborg University in Denmark. His areas of expertise include: international marketing, business-to-business marketing and global sourcing. He has written many books and articles related to these topics. His "Born Global or Gradual Global? Examining the Export Behavior of Small and Medium-Sized Enterprises" is one of the most cited articles in International Marketing according to the American Marketing Association. (Marketing Power)