Risk management is a shared responsibility of everyone in a company, not the exclusive domain of risk managers.
What can treasurers in particular do to improve overall risk management, beyond pure treasury risks? Continuing my collaboration with the AFP, I am part of a panel speaking on this topic this Thursday (Feb 12) in an AFP webinar, "How can Treasury lead ERM?"
For a similar perspective on the role of the CFO, rather than the Treasurer, see my working paper (with Will Liu), Role of the CFO in risk management. There are both commonalities as well as specificities by role (and of course my thinking has evolved in the intervening 2 years...)