In 1975, he graduated from Otago Polytechnic with a Diploma in Fine and Applied Arts, completing a Ceramics Certificate the following year.
[1] Weaver largely produces clay tableware with minimal surface decoration.
"[2] Weaver’s key influences include the work of his teacher Michael Trumic, potter Hans Coper, sculptors Jean Arp and Henry Moore, Scandinavian design and Japanese craft traditions.
[4] Douglas Lloyd Jenkins called this series "a seminal work of twentieth-century New Zealand design…" He wrote, "at a time when New Zealanders, both Pakeha and Maori, were re-examining their joint colonial past and not always liking what they saw, Weaver's teapot seemed to reach back into the past and pull out something unexpected, something stoic, and something symbolic of survival and eventual revival.
[1] In 2007, he was one of six New Zealand potters invited to undertake a residency at FuLe International Ceramic Art Museum, in Fuping, China.