Major Rodney Baldwin served in the New Zealand Army for 15 years, resigning in 1978 to pursue a career in business. He was an artillery officer in South Viet Nam, serving with three Australian Artillery Regiments, and as a forward fire controller with two Australian Infantry Battalions, and an American Armoured Cavalry Regiment.
He is a graduate of the Royal Military College of Australia and has a Masters degree from Harvard University, which he attended on a Harkness Fellowship. He was also a Guest Scholar at Brookings Institution in Washington DC, and was on the staff of the Military Advisor to the United Nations Secretary General in New York. His military assignments include artillery command and training appointments, and command of the NZ Army Officer Cadet Training Unit. Duties included lecturing in Military History, Political Science, and Tactics. He has participated in tours of militarily historical sites in USA, Turkey, Myanmar, Thailand, Viet Nam, Cambodia, and Laos.
His business career encompassed management of a range of manufacturing and marketing companies in New Zealand, Australia, Japan, USA and Canada.