The Alternative Investment Management Association, the global hedge fund lobby group, has announced two deputy chairmen from its existing directors. The new deputy chairmen are Andrew Bastow, the head of government and regulatory affairs and general counsel at Winton Capital Management; and Chris Pearce, the Asia chief operating officer at Marshall Wace Asia. Robert De Rito, the head of financial risk management at APG Asset Management US has been named as an investor-appointee to the AIMA Council.