Dr Sergiy Klymchuk is an Associate Professor of the School of Computing and Mathematical Sciences at the Auckland University of Technology, New Zealand. He has 29 years of experience teaching university mathematics in different countries. He was born in Ukraine in 1958. Since 1996 he has lived in New Zealand. His PhD (1988) from Odessa National University, Ukraine was in differential equations. At present his main research interests are in mathematics education. He is a member of the Royal Society of New Zealand. He is also a member of a number of international groups in mathematics education