Guiani was elected city councilor in 1992 and re-elected in 1995. He was elected vice mayor from 2001, re-elected in 2004 and 2007 and was elected mayor in 2010, re-elected in 2013 and 2016.
Mercado also noted the late mayor’s simple lifestyle.[]
“He was, foremost, a public servant and steward of Cotabato City. He was a faithful and good Steward![]