WO1 Mark (‘Titch’) Mortiboy was born in Auckland and enlisted in the New Zealand Army Regular Force in February 1982 as a Rifleman, Royal New Zealand Infantry Regiment (RNZIR).
In 1985, he changed trade to Combat Driver and subsequently held NCO appointments within Transport and Infantry units in addition to instructor roles at All Arms and Trade training establishments.
Since 2001 at Warrant Officer rank, WO1 Mortiboy served as a Company Sergeant Major, Senior Instructor, and Mobility Advisor within Army and Defence Force HQ.
Since 2010 WO1 Mortiboy held appointments of Regimental Sergeant Major, 2nd Logistic Battalion; Command Sergeant Major, Training and Doctrine Command (NZ); and Land Command Sergeant Major at Headquarters, Joint Forces New Zealand.
With effect 31 January 2014, WO1 Mortiboy was appointed as the 14th Sergeant Major of the New Zealand Army.
After short service with Defence Intelligence, he was appointed as the 4th Warrant Officer of the Defence Force on 1 Jul 2018.
WO1 Mortiboy has completed operational service in Sinai, East Timor and Afghanistan. He was awarded the NZ Distinguished Service Decoration in 2008.
WO1 Mortiboy is a graduate of the NZ Command and Staff College Joint Warrant Officer Advanced Course (JWOAC). He holds a Master of Science from Portsmouth University (UK) and Diplomas in Adult Education and Business Management.
He is a champion for mental health and wellbeing, personal and professional development, and military families.