Castor Peja holds a Bachelor of Laws Degree from the University of Dar es Salaam. He also completed training at The Law School of Tanzania and was awarded the Post Graduate Diploma in Legal Practice, and was accordingly enrolled as an Advocate of the High Court of Tanzania and Subordinate Courts thereto. His main areas of practice are Employment and Labour relations, Corporate, Commercial litigation and Conveyance. He is currently an Associate at PIER Advocates.