Geronimo Antonio B. Singson is an Environmentalist. He is a licensed Philippine Regulatory Commission Environmental Planner and present the Vice-President of the Philippine Institute of Environmental Planners – Ilocos Sur Chapter. He is also a Real Estate Broker and a Past National Board of Trustee of the Real Estate Brokers Association of the Philippines. He is an accredited Trainor, Lecturer and Speaker in Real Estate Service by the Professional Regulations Commission. He is a Bachelor of Laws degree holder of the University of Northern Philippines and has been a consistent advocate in Environmental Protection and Sustainable Development. He is also a Pollution Control Officer accredited by the Environmental Management Bureau of the Department of Environment and Natural Resources. He is the Managing Partner of the Ylocos Esplanade Realty Company.