Mr. John A. Pwamang obtained a BSc. in Public Health Engineering from Brown University in the USA in June 1982 and a Masters of Science in Water and Environmental Management from the Loughborough University in the United Kingdom in 1996.

After national service at the Teshie-Nungua Compost Plant of the Accra Metropolitan Assembly, Mr. Pwamang was employed at the Environmental Protection Agency in March 1990 as a Programme Officer.  He served at various periods, as head of the Agency’s Regional Offices in the Northern Region (October1990 – November 1991), Upper West Region (March 1994 – August 1995) and Greater Accra Region (April 1997 – July 2000).  He also headed the Agency’s Manufacturing Industry Department (August 2000 – January 2003) and was Chief Scientific Secretary during the same period.  As head of the Manufacturing Industry Department, he coordinated the implementation of the Ghana Cleaner Production Demonstration Project under the auspices of UNIDO, which showed significant results in reduced water usage in the industrial sector.

From February 2003 to March 2014, Mr. Pwamang was promoted to the position of Director/Pesticides Registrar of the Chemicals Control and Management Centre of the EPA.  As Registrar of Pesticides he established methods for pesticide risk assessment, coordinated assessments of pesticide products submitted for registration, developed regulations for pesticides control and management, and also coordinated the development of Ghana’s first national implementation plan for the Stockholm Convention. He ensured the development of national frameworks for Ghana’s compliance with provisions of the chemicals and wastes related multilateral environmental agreements to which the country is a Party; i.e., the Vienna, Stockholm, Rotterdam and Basel Conventions and the Montreal Protocol.

He coordinated the implementation of the UNDP/UNITAR/EPA-Ghana Project on Capacity Building for the Elimination of Polychlorinated Biphenyls (PCBs) in Ghana and successfully collected PCBs and PCB-contaminated materials from Ghana and disposed of them in environmentally sound manner in Europe.

From May 2014 to July 2016, Mr. Pwamang was appointed the Deputy Executive Director in charge of Field Operations of the Environmental Protection Agency.  As head of operations, he superintended over activities of the Regional Offices of EPA that included monitoring of various activities to ensure compliance with environmental requirements.  He also coordinated the establishment of sixteen new Area Offices in selected Districts of the country as part of efforts to decentralize environmental governance to district levels.

From 1st August 2016 to 16th August 2017 (a period of one year), Mr. Pwamang headed the Environmental Protection Agency of Ghana as the Acting Executive Director.  On 17th August 2017, Mr. Pwamang reverted to the position of Deputy Executive Director of Field Operations when an Acting Executive Director was appointed.  Then on 13th April 2018, the President withdrew the appointment of the then Acting Executive Director and appointed Mr. Pwamang as the Acting Executive Director of the EPA, a position he held until he retired from public service on 4th September 2020.

He was member of the Boards of the Ghana Maritime Authority and the Nuclear Regulatory Authority until his retirement in September 2020.  He attended a number of short courses in environmental and related issues and participated in a number of international conferences.  He has published a number of scientific and technical papers on various topics.

Mr. Pwamang is currently engaged as part-time Lecturer in Nuclear and Environmental Protection at the Graduate School of Nuclear and Allied Sciences, University of Ghana and engages in environmental consultancy.  His areas of expertise are in hazardous chemicals and hazardous wastes management and control.