Matthew K Washington has a MA hons from Sydney University in Philosophy and a Masters of Taxation from the University of NSW. His philosophical studies were in the areas of social philosophy, epistemology and the Philosophy of Science. He specialised in International tax issues for his Masters of Taxation at UNSW. He worked in compliance areas of the Australian Taxation Office; 14 of these years involved work in Transfer Pricing (TP); reviewing, auditing and undertaking economic and financial analysis of large multinational corporations. He was engaged with some major court cases as regards TP Tax and revenue issues.

As a Technical Leader and Team Manager, he undertook many reviews and interviews of major companies, their business structures, functions assets and risks, while reviewing their related party dealings. He also worked on OECD Transfer Pricing (TP) issues and produced some papers accepted by that organisation. He trained staff in international Tax issues for many years. The way much of the corporate world operates is familiar to him.

He became involved in CASSE (e.g. Centre for Advance of the Steady State Economy ) NSW in 2014, first as its treasurer and secretary and later as one of its Co-Directors. He organised many Webinars and Seminars for CASSE NSW Inc.

Throughout his life he has been actively engaged in numerous conservation related groups, and campaigns.