Councilor Ian Mark Q. Nacaya is a Lecturer at Xavier University Graduate Studies – MPA Program and COC-PHINMA Graduate School – MGM Program. Combine the right education and early life exposure in managing the affairs and operations of civic & religious organizations and local government units, produced a well-rounded, effective, dedicated, and accomplished Public Sector Executive, Administrator and Legislator. He expertly and strategically planned the preparation of various regulatory and social development local measures, ordinances, programs and projects and implemented them successfully during his tenure of office as the Chief Executive of the Barangay Government of Nazareth, Cagayan de Oro City, a community with more than twelve thousand populace.

An elected LGU official whose track record in the service is unparalleled for having served two sectoral groups and represented them at the City Council as President of the Sangguniang Kabataan City Federation - Youth Sector (1993-1996) and Liga ng mga Barangay President – Barangay Sector (2001-2004), and elected-at-large six times as a City Councilor by the city residents - first in 2004, followed by the 2007, 2010, & 2016, 2019 and 2022 elections.

Councilor Nacaya previously Chaired the People’s Law Enforcement Board (PLEB), a special body created by law that hears and decides cases filed by citizens against erring members of the Philippine National Police, from 2007 to 2013. He is the author of meaningful and landmark legislations in the city. Among them are the 10-Year Solid Waste Management Plan, the establishments of the City Disaster Risk Reduction and Management Department, the City Economic Enterprises and Business Development Administration (CEEBDA), the City Management Information System and Innovation Department, the Public-Private Partnership for the People’s Initiative (P4) Ordinance, Traffic, Children, Youth, Scholarship and Women’s Codes, CLAYGO, the Promotion of Environmental Rehabilitation and Conservation Network Ordinance, and many others. He also moved for the enactment of several resolutions that urged NEDA of Region X, MINDA and the national leadership to prioritize the creation of Metropolitan Cagayan de Oro.

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Presently, his peers elected Nacaya for the fourth time as the Majority Floor Leader of the 20th City Council. He was also catapulted to the position of Chairman of the Committees on Laws & Rules, Planning and Development and Innovation & Peoples Accreditation and Economic Enterprises. Since 2016, he was designated by the City Mayor as the overseer of the operations and affairs of two Executive Departments in the City Government: the City Economic Enterprises Department (CEED) and the East-West Public Market and Terminals, then at present the amalgamation of these departments into one organization, now known as CEEBDA.