Peter is an expert administration consultant and holds many fruitful collaborations with private and public entities, such as the National Technical University of Athens, the Technological Educational Institute of Athens, the Hellenic Army, the Hellenic Independent Regulatory Agency for Quality Assurance and Accreditation in Higher Education, and the Athenian Urban Transport Organization. He has been a part-time instructor in the School of Business and Economics since September 2018 and has taught Project Management, Port Administration and Logistics, International Shipping Policy, and Transportation Systems courses.