He has served as a school principal, a university professor, and a consultant in local, national, and international organizations. He contributes as a part-time consultant to the development and assessment of School Leaders Licensure Assessment (SLLA) and School Superintendents Assessment (SSA) with Education Testing Service (ETS). Dr. Duyar currently teaches politics and policy analysis in educational administration, school finance, advanced leadership theories, and school business management and facilities planning.