The formation of ANZIAM in 1993 was close to Pearce's heart, as it encapsulated the union he espoused of joint activity in Applied Mathematics involving both Australia and New Zealand. He was a strong worker for ANZIAM and it was fitting that this, along with his outstanding research work, was recognised by the award of the ANZIAM Medal in 2001.
The formation of ANZIAM in 1993 held great significance for Pearce, as it reflected his vision of collaborative efforts in Applied Mathematics between Australia and New Zealand. He actively championed ANZIAM's growth and was honored with the ANZIAM Medal in 2001 for his outstanding contributions to research.