 One Aquino decision, the release of Communist leader Jose Maria Sison, sparked the September 1987 coup attempt initiated by rebel military leaders.Due to intense pressure from the Philippine Congress in the following months, Aquino accepted Arroyo's resignation.Arroyo held various post in the government service first as Executive Secretary in the Aquino cabinet from 1986 to 1987, then as Chairman of the Philippine National Bank and as Executive Director for the Philippines in the Asian Development Bank from 1986 to 1990.