sentences:  Under his chairmanship, the CSC got the highest rating, with 98 percent of clients saying they were satisfied with the services they received from the CSC based on a Pulse Asia survey which covered the period October 24 to November 17, 2011.Duque was appointed Chairman of the Government Service Insurance System (GSIS) by President Rodrigo Roa Duterte in 2017.As chairman, he began laying the groundwork for various reforms to strengthen the government corporation.