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 represented a union of applied mathematics efforts between Australia and New Zealand, which Pearce strongly supported. His dedication to this cause and his significant research work were recognized by the ANZIAM Medal in 2001.