Jozef Maria Zacharias "Jef" Valkeniers (born 29 December 1932) is a physician-neuropsychiatrist and a Flemish politician.

He did his internship at Ellis Hospital and took some additional classes at the Albany Medical College in The State of New York.

After six years having worked as a practitioner in Schepdaal he moved with his family to South Africa in order to specialize in neurology at the University of Witwatersrand in Johannesburg.

Valkeniers is currently dealing with development, he serves on several boards of directors, and he is regularly asked for medical advice (E.g. NPO De Poel.[4]).

[5] and as board member of the liberal party in Belgium (Open Vlaamse Liberalen en Democraten).