He kaiwhakawa, he kaiwhakatau, he kaitakawaenga ngaio a John kei Tāmaki Makaurau, Aotearoa. Neke atu i te 1,200 ngā tautohe whare, hanganga me ngā hanganga kua whakatūria ia i roto i ngā tau 28 kua hipa e pā ana ki ngā kaupapa hanga whare noho, arumoni me ngā mahi ahumahi, ngā teihana hiko, ngā mara hau, ngā whare hanga me ngā whare tukatuka, ngā papa tākaro, ngā hōtēra, ngā wehewehenga whenua, ngā rori, ngā rēriwe, ngā tauranga, ngā marina, ngā waikeri, ngā whare maimoatanga wai me te wai para, ngā whare hangarua, te keri maina, ngā ratonga, me ngā ratonga whakahaere, e uru ana ngā rōpū ā-rohe me ā-ao, ngā take hangarau me ngā take ture uaua, me ngā moni e tautohetia ana neke atu i te $100M.
Ko John te kaiwhakaū me te Kaiwhakahaere o te Building Disputes Tribunal (BDT), te kaiwhakarato ratonga whakatau tautohe motuhake ā-motu mō te umanga hanga me te hanga i Aotearoa, ā, he Mana Whakaingoa Whakamana i raro i te Construction Contracts Act 2002. Ko ia anō te kaiwhakaū me te Kaiwhakahaere o te New Zealand Dispute Resolution Centre (NZDRC); te New Zealand International Arbitration Centre (NZIAC); te New Zealand Family Dispute Resolution Centre (FDR Centre); te BuildSafe Security of Payment Scheme – BuildSafe®. He Kaiwhakatau Matua ia, he Kaiwhakawā, he Kaitakawaenga, he Kaiwhakatau Tohunga me te Aromatawai Mutunga Kore mō BDT, NZDRC me NZIAC.
I whakatūria a John hei takawaenga me te kaiwhakawā mō te Ratonga Whakataunga Kāinga Weathertight i te tau 2003 i te wā i whakatūria ai te ratonga Kāwanatanga, ā, i mahi ia hei kaiwhakawā tae noa ki te tau 2012. I whakatūria ia hei Mema o te Rōpū Taupatupatu o ngā Kāinga Reti i tōna whakatūnga i te tau 2006. He tohunga ia ki te hoahoa, te whakawhanake me te tuku tukanga whakatau tautohe, ā, he mema ia nō te Rōpū Tohutohu o te Wāhanga Rangahau me te Pūrongo Whakataunga Kāwanatanga o NSW.
Kua whakaputa whānuitia e John ngā tuhinga mō te whakatau tautohe, ā, kua whakaatu hoki i ana tuhinga. Ko ia te Etita o BuildLaw® me ReSolution®, ā, ko ia te kaituhi o Thomson Reuters: 'The Leaky Building Crisis: Understanding the Issues' – Wāhanga 4 Dispute Resolution Options me te 'Unit Titles Manual' – Upoko 14 Dispute Resolution.
He Kaiwhakawa Whakawa Whaimana a John, he Hoa hoki nō te Chartered Institute of Arbitrators (UK), he Hoa Arb/Med nō te Arbitrators' and Mediators' Institute of New Zealand Inc., he Hoa nō te Dispute Board Federation, he Hoa (Master) Association of Forensic & Advanced Valuation Executives, ā, he Mema Paewhiri Ngaio mō te Resolution Institute. He Perehitini o mua ia nō te Arbitrators' and Mediators' Institute of New Zealand Inc., he Perehitini o mua nō te Master Builders Association (Auckland) Inc., ā, he Mema Kaunihera whakatū, he Mema Whakahonore Ora hoki nō te Society of Construction Law New Zealand Inc. mō tana takoha ki te mahi ture hanga.