sentences:  However, with slower-than-hoped-for integration of the merged organization's operations, and with questions about the handling of executive loans by BMA, Green resigned abruptly that year and Lackritz assumed the role of sole CEO.Nine months later, Lackritz retired and Ryan was named CEO.SIFMA's Chairman of the Board is Blythe Masters (Head of Global Commodities, JPMorgan Chase), and Vice Chair is Bernard Beal (CEO of M.R.