The ambulance officer killed in a head-on horror crash in Waikato yesterday had served with St John for 55 years.
The driver of a silver Audi car died at the scene. The critically injured ambulance officer died in Waikato Hospital.
Hato Hone St John deputy chief executive of ambulance operations, Dan Ohs, said the officer was part of the patient transport service and was heading back to Rotorua from Hamilton at the time of the 3.45am crash near Cambridge.
Ohs said St John is "devastated" by the loss of one of its own.