Professor of the Law of Real Property

Professor of Law, Monash University

KTH Royal Institute of Technology, Professor in real estate planning and land law

Faculty of Law, Universitas Airlangga

Professor of Law, North-West University

Національний юридичний університет імені Ярослава Мудрого, НДІПЗІР

Lecturer, university of gadjah mada

Professor of Law, University of Cape Town

Professor of Law, School of Law, Universiti Utara Malaysia