Mustafa has extensive experience in the human rights field, both as a lawyer and as the founder of Equity Research and Consulting firm, a human rights consultancy. A lawyer by training, he worked in the Australian government in the Attorney-General’s Department, as a journalist, as well as with Human Rights Watch and Amnesty International. He has worked on labour rights investigations involving private security guards from a number of companies in the Gulf, specifically in Qatar and the United Arab Emirates, Saudi Arabia and Oman. His company has conducted investigations for newspapers and is currently engaged in independent research on private security companies. Their focus encompasses labor rights, business and human rights, as well as civil and political rights.