2005–present: Professor of Earth Sciences, Brock University; Life Member of Wolfson College, University of Cambridge; and (since 2006) Full Professor (status only), University of Toronto. 2002–2005: ...

Voting Member, Bashkirian–Moscovian Boundary Working Group (ICS Subcommission on Carboniferous Stratigraphy) with international scientists: Alekseev, Altiner ...