YBhg Prof Emeritus Datuk Dr Marimuthu Nadason holds a Doctorate of Business Administration from the International American University in 2012, a Master in Business Administration (MBA) (Human Resource Management) from the International American University and an MBA from Phoenix International University/New Zealand Institute of Management, in 2008.

He was conferred an Honorary Professorship in Consumer Behaviour by the Stichting Eurogio University College Netherlands (2014), Honorary Professor and Panel Expert for IIC University of Technology Cambodia (2014), Visiting Professor at the Swiss School of Management as Formal Expertise and Visiting Professor in Consumer Relations by the International University of Georgia (2016). He is also an accredited Public Relations Practitioner (APR) by the Institute of Public Relations Malaysia (2005) and a Certified Professional Marketeer (CPM) by the Asia Marketing Federation (2008). YBhg Prof Emeritus Datuk Dr Marimuthu was given the title of Professor Emeritus by University Institute for International and European Studies, Netherlands on 27 August 2018. He was awarded Visiting Professor under the Swiss School of Management, Switzerland on 15 May 2019.

YBhg Prof Emeritus Datuk Dr Marimuthu is a consumer activist, social worker and campaigner with honorary positions in national and international non-governmental organisations. At national level, he is Chairman, Malaysian Standards and Accreditation Council, Department of Standards Malaysia, Ministry of International Trade and Industry (2018 – 2020); Commissioner, National Water Services Commission (SPAN) (2007 – 2017); President, Federation of Malaysian Consumers Association (2004 – Present); Independent Director, Ombudsman For Financial Services (Previously known as Financial Mediation Bureau) (2004 – August 2020); Member, Institute of Integrity Malaysia (2004 – Present) and Chief Executive Officer, Education and Research Association for Consumers (1997 – Present).

In the international field, he is President, Consumers International, London (2019 – 2023), and Chairperson, Asian Partnership for Development of Human Resources in Rural Asia, Philippines (2006 – 2010). He has also held various advisory roles, both presently and in the past, on several Government and Independent Boards at national and international levels.