Jarno is from Finland and studied his degree in Mathematics at the University of Helsinki. He started his teaching career in 2006 and has taught Mathematics in Finnish, Swedish, as well as the IB school systems.
Jarno worked at SIS during 2013-14 and returned for the academic year 2016-17. He has taught MYP and DP Mathematics and DP TOK. He was appointed as the DP Coordinator in August 2019.