Hans Woldring Keywords resource management farm management and agronomy advisory Read more about Hans Woldring Hans Woldring is a principal natural resource and agriculture specialist in ADB. He is a national of Australia and has 40 years of professional experience, with 26 years in the field. He joined ADB in 2007 and has worked in the Central and West Asia and South Asia Departments. He led with major assignments for ADB in Afghanistan, Kazakhstan, Tajikistan and Nepal, and has worked in the Central Asia region since 1994.