He is also a lawyer and former research clerk to the New Zealand High Court. He is the author of The Counsel of Rogues? A Defence of the Standard Conception of the Lawyer's Role (Routledge, 2016), co-editor of Professional Ethics and Personal Integrity (2010), and the author of many articles and book chapters in the philosophy of law and applied and professional ethics, including pieces on vaccination, parental rights to consent to their children’s medical treatment, oncologists’ views about giving information about unfunded treatments beyond the means of their patients, and Harper Lee’s To Kill a Mockingbird. Since about 2012, he has worked on the ethics of predictive risk modelling in social policy contexts. He currently has a one day a week job as a data ethics advisor to the Ministry of Social Development.