Trevor Mason Directorships TJ Mason & Co Ltd Iguacu Ltd Cobb & Co Ltd Wilson Neill Corporation Ltd Port Reef Mining Ltd Major Shareholdings Background After completing his Commerce degree at the University of Otago. Trevor joined the Dunedin accounting firm of W.E.C. Reid & Co in 1961. The firm later became part of Deloitte Touche Tohmatsu, and Trevor entered the partnership in 1973, specialising in taxation. In 1997 he established his own accounting firm, T J Mason & Co, specialising in taxation and corporate operational consulting. Trevor was invited to the Board of Wilson Neill in 1997 and was elected Chairman in 1998. News