Roshan is a lawyer, conflict resolution innovator, and educator whose areas of work, teaching, and writing include international peace-building, constitutional law, Indigenous rights, Islamic law, and inter-ethnic and inter-religious dialogue. Roshan completed his S.J.D at Harvard Law School and LL.B at the University of Victoria, and has taught at many academic institutions around the world including the University of British Columbia, University of Victoria, European Peace University (Austria), the Justice Institute of British Columbia, and Landegg International University (Switzerland).
For the last 15 years Roshan has worked extensively on advancing Aboriginal title and rights and reconciliation. Concurrently, he has also advised governments and organizations around the world, including the United Nations, in the areas of peace-building, proactive conflict-resolution, and leadership. Roshan is a co-founders of Education for Peace, an international peace education and peace-building organization, which helped design and implement the post-war re-construction and re-integration of the education system of Bosnia and Herzegovina.