Graeme Walker completed his PhD in Yeast Physiology in 1978 from Heriot-Watt University, Edinburgh. He was conferred DSc in 2004 by Abertay University and is a Fellow of the Institute of Brewing & Distilling. He is currently Professor of Zymology at Abertay University in Dundee, Scotland where he directs a yeast research group. He has published over 200 articles and has authored several textbooks, including Yeast Physiology & Biotechnology and Bioethanol. Professor Walker is the Scientific Director of The Ethanol Technology Institute and acts as consultant for international brewing, biotechnology and biofuel companies.