He served the province as its governor for seventeen years from 1986 to 2004, having won a total of four gubernatorial elections following his appointment as officer-in-charge of Bataan during the Presidency of Corazon Aquino.
He then took Bachelor of Science in Business Administration, Major in Marketing at Saint Joseph's University in Philadelphia, Pennsylvania, United States of America.
[7] Roman initiated the solicitation of sixty seven locators and business investors for the Bataan Export Processing Zone (BEPZ), which used to cater to only sixteen companies before his term as governor.
Together with former SBMA Chairman Felicito "Tong" Payumo, Roman was instrumental in the construction of the Subic–Clark–Tarlac Expressway (SCTEx) and the formulation of Central Luzon Development Programs.
[9] Roman was also able to successfully invite Letran, his alma mater, to establish a college in Abucay, Bataan, in order for students from the province to receive quality education without the need to migrate to Manila.
[12] A known environmentalist, Roman initiated the successful "Kontra Kalat Sa Dagat" which won several awards and received praises both locally and internationally.