before training to become a priest, in 1970 moxon served a one-year term as a youth worker with volunteer service abroad in fiji, and then worked as a tutor in the education department at massey university during 1974-75. in 1978 moxon was appointed a deacon curate at havelock north, and in 1979 he was ordained as a priest in the diocese of waiapu. he remained at havelock north until 1981, and was then appointed vicar at gate pa, tauranga, where he served for six years. in 1987 moxon was appointed director of theological education by extension for the anglican church in aotearoa new zealand and polynesia, a position he held until 1993. during this time he edited "an education for liturgy kit", a christian initiation resource kit and a bi-cultural education resource kit. he was also a member of the commission which produced a new zealand prayer book: he karakia mihinare o aotearoa.