Mr. Roco held several positions in the Ateneo Law Journal, such as Lead Editor from 2012 to 2013 and Executive Committee member from 2014 to 2015. He was also an editor of “Tax Law and Jurisprudence”, which was authored by Supreme Court Justice Jose C. Vitug and Court of Tax Appeals Justice Ernesto D. Acosta.

He has also published several articles, including:

• • “Decisional Accountability of Supreme Court Justices: Establishing a Framework for the Imposition of Administrative Liability against Justices for their Delay in the Disposition of Cases” [59 ATENEO L.J. 544 (2014)]; and,
  • “Keeping Up with the Times: A Critique of Corpuz v. People and the Imposition of Penalties for Value-based Crimes under the Revised Penal Code” [59 ATENEO L.J. 246 (2014)].

Mr. Roco was admitted to the Philippine Bar in 2016 and is a member of the Quezon City Chapter of the Integrated Bar of the Philippines.