Stig Pedersen-Bjergaard is Professor at School of Pharmacy, University of Oslo (Norway), and Professor (part time) at Department of Pharmacy, University of Copenhagen (Denmark). He has specialized in analytical micro extraction technologies, on development and applications of artificial liquid membranes, and on electrokinetic separation methods. He has published more than 165 papers in international journals, is Contributing Editor of Trends in Analytical Chemistry (Elsevier), and Associate Editor of Journal of Pharmaceutical Analysis (Elsevier).
Stig invented LPME in 1999. In 2006, Stig invented EME, and demonstrated for the first time liquid-phase microextraction under the influence and control of an external electrical field.