Atty. Artemio Calumpong is Special Counsel for the Firm. He finished his Bachelor of Laws at the University of the Philippines and took his pre-law in English Literature at Silliman University.

Atty. Calumpong is an active practitioner in civil and criminal litigation. He has years of experience in the field of Labor Law and Industrial Relations, which was further sharpened by his previous work as Human Resources Head of an international institution.

Other professional engagements included his position as Consultant to the Congressional Oversight Committee on Labor and Employment in 2008 and Administrator for Radio Veritas Asia from 2007 to 2008.

Atty. Calumpong was previously a Lecturer on Unionism in the Government Sector for the Mandatory Continuing Legal Education Program for Lawyers at the Ateneo de Manila University School of Law in 2007.