About us Meet the Team Trustees Trustee (Treasurer): Mark George Mark is a self-employed accountant who spent almost 30 years working as a senior-level tax inspector for HM Revenue & Customs. He has significant experience of dealing with tax-related matters at individual, corporate and multinational levels and, more recently, was involved in HMRC’s drive against offshore tax avoidance. Mark is a committed trade union activist and has been a member of the FDA union since the day he began working. During his time with HMRC he was a Personal Caseworker for the trade union, assisting members who were experiencing difficulties with their employer. Mark became a national-level union officer and, until recently, had responsibility for running a UK-wide network of TU personal caseworkers. He has accordingly developed a wide range of skills, representing union members in various formal and disciplinary situations up to and including Employment Tribunal.