As a science journalist and broadcaster, Ivan covers the science beat for The Globe and Mail. His reporting has taken him from mountaintop observatories and underground labs to the east room of the White House. His previous roles include US news editor for Nature, the world’s leading scientific journal, bureau chief for New Scientist magazine, and producer and columnist with the Discovery Channel’s Daily Planet.

He is a former Knight Fellow in science journalism at the Massachusetts Institute of Technology, and in his spare time he is the writer and host of the popular astronomy series Cosmic Vistas on the Oasis channel.​ At GCAC, Ivan teaches Communicating Science Through the Media and in 2016 he was the recipient of the Sanford Fleming Medal for outstanding contributions to the public understanding of science​.