sentences:  Scott DeFife, who had reported to Paese, left SIFMA in December 2009.After the 2006 merger which created SIFMA, the organization had a co-CEO structure, with the SIA's Marc E. Lackritz and BMA's Micah S. Green filling the positions.As a 2007 report summarized it, "Lackritz [then 60] ha[d] been a friend, colleague and mentor of Green's [then 49] for two decades."