Steve Deroian, U.S. head of asset allocation models and ETF product at John Hancock Investment Management, discusses the history and benefits of exchange-traded funds (ETFs). Since the first U.S. ETFs launched in 1993, these popular investment products have grown to more than $5 trillion in assets under management. Deroian provides an insider’s perspective on which areas could see the fastest growth and why John Hancock opted for an active management approach in its first fixed-income ETF.