2004
| National Executive | – |
| Robbie Allan | National President |
| Wook Jin Lee | National VP |
| Joe Connell | National Secretary |
| Hamish Mexted | National Treasurer |
| Tamsin Dashfield | National Webmaster/Memberships |
| – | – |
| UNYANZ National Conference | – |
| Divya Dhar | Coordinator |
| David Tong | Communications Officer |
| Sam Williams | Committee Member |
| – | – |
| NZ Model UN | – |
| Ihma Shareef | Coordinator |
| Wook-Jin Lee | Committee Member |
| Kelly Douglas | Committee Member |
| Anne Molineux | Committee Member |
| – | – |
| Auckland Region | – |
| Yea-Ji Sohn | Regional President |
| Anna Crowe | VP – Central and Western |
| David Tong | VP – Northern |
| Kriti Uttam | VP – Southern and Eastern |
| Bradley Scott | Auckland Treasurer |
| – | – |
| Wellington Region | – |
| Tamsin Dashfield | Regional President |
| Ihaia Tichborne | Regional VP |
| Dana McDiarmid | Wellington Administrative |
| Adriaan Barnard | Wellington Ordinary Member |
| Anne Molineux | Wellington Ordinary Member |
| Matea Osti | Wellington Ordinary Member |
| Hemi Matenga | Wellington Ordinary Member |
| Adriaan Barnard | Wellington Treasurer |
| Chloe Dallaway | Wellington Secretary |
| – | – |
| Canterbury Region | – |
| Stephanie Woods | Regional President |
| Janna McGuigan | Regional VP |
| – | – |
| THIMUN Delegation | – |
| Hayden Montgomerie | Director |
| Daria Brankin | Assistant-Director |
| Naresh Perinpanayagam | Assistant-Director |
| Tom McCarthy | Head of Delegation |
| Kate Yesberg | Assistant Head of Delegation |
| Matt McGrath | Delegate |
| Herman Visagie | Delegate |
| Dana Macdiarmid | Delegate |
| Ihaia Tichborne | Delegate |
| Lewis Bollard | Delegate |
| Divya Dhar | Delegate |
| Alex Daprini | Delegate |
| Kassie Fraser | Delegate |
| Katherine Errington | Delegate |
| Jin Park | Delegate |
| Sam Williams | Delegate |
| – | – |
| UNYC Delegation | – |
| Daria Brankin | Facilitator |
| Tom McCarthy | Delegate |
| Lewis Bollard | Delegate |
2003
| National Executive | – |
| Rebecca Lind | National President |
| Sarah Kim | National VP |
| Robbie Allan | National Secretary |
| Bradley Scott | National Treasurer |
| Hayden Montgomerie | Immediate Past President |
| – | – |
| Wellington Region | – |
| Hamish Mexted | Regional President |
| Kelly Douglas | VP Universities |
| Anne Molineux | VP Secondary Schools |
| – | – |
| Canterbury Region | – |
| Wook Jin Lee | Regional President |
| Robbie Allan | Regional VP |
| Sam Collins | Regional VP |
| Katrina Pfeifer | Regional Member |
| Janna McGuigan | Regional Member |
| Daria Brankin | Immediate Past President |
| – | – |
| Auckland Region | – |
| Karen Chung | Regional President |
| Divya Dhar | Regional VP – Southern and Eastern |
| Anna Crowe | Regional VP – Central and Western |
| Bradley Scott | Treasurer |
| Jesse Yu | Secretary |
| Susanna Locke | Regional Member |
| Caleb Wan | Regional Member |
| – | – |
| National Events | – |
| Rebekka Still | Easter Policy Conference Coordinator |
| Rebecca Lind | National Model UN Coordinator |
| – | – |
| THIMUN Delegation | – |
| Cat Moody | Director |
| Carl Bates | Chaperone |
| Rahul Govindan | Chaperone |
| Robbie Allan | Head of Delegation |
| Wook-Jin Lee | Delegate |
| Stephanie Woods | Delegate |
| Janna McGuigan | Delegate |
| Katrina Pfeifer | Delegate |
| Sam Collins | Delegate |
| Ihaia Tichborne | Delegate |
| Anne Molineux | Delegate |
| Kelly Douglas | Delegate |
| Toby Nicholls | Delegate |
| David Turner | Delegate |
| Sam Clendon | Delegate |
| Philippa Thompson | Delegate |
| Elizabeth Wiltshire | Delegate |
| – | – |
| UNYC Delegation | – |
| Wook-Jin Lee | Facilitator |
| Zainab Al-Alawi | Delegate |
| Roya Azadi | Delegate |
| Fraser McKissack | Delegate |
2002
| National Executive | – |
| Hayden Montgomerie | National President |
| Felicity Blakey | National VP |
| Joe Connell | National Secretary |
| Sarah Kim | National Treasurer |
| Daria Brankin | National Model UN Coordinator |
| – | – |
| THIMUN | – |
| Cat Moody | Director |
| – | – |
| UNYC Delegation | – |
| Hayden Montgomerie | Facilitator |
| Daria Brankin | Delegate |
| Sarah Kim | Delegate |
| Janine Thrupp | Delegate |
| Christopher Bishop | Delegate |
| – | – |
| Rebecca Lind | Easter Policy Conference Coordinator |
| – | – |
| Sarah Kim | Auckland President |
| Stephen Ridgewell | Auckland VP – Central |
| – | – |
| Daria Brankin | Canterbury President |
| – | – |
| Hayden Montgomerie | Wellington President |
2001
| National Executive | – |
| Hayden Montgomerie | National President |
| Rebecca Lind | National VP (Policy) |
| Daria Brankin | National VP (Membership) |
| Sarah Kim | National VP (Regions) |
| Joe Connell | National Secretary |
| Felicity Blakey | National Treasurer |
| Carl Bates | Immediate Past President |
| – | – |
| NZ Model UN | – |
| Hayden Montgomerie | Coordinator |
| Joe Connell | Assistant Coordinator |
| – | – |
| THIMUN Delegation | – |
| Kate Smith | Director |
| Raewyn Bates | Director |
| Hayden Montgomerie | Chaperone |
| Catherine Moody | Chaperone |
| Stephen Ridgewell | Delegate |
| Antony Kattan | Delegate |
| Bebhin Tisdall | Delegate |
| Edward Scragg | Delegate |
| Michael Mabbett | Delegate |
| Tracy Hunt | Delegate |
| Julian (Kris) Sakarai | Delegate |
| Christine Brooks | Delegate |
| Daria Brankin | Delegate |
| Joe Connell | Delegate |
| Janine Thrupp | Delegate |
| Libby Gordon | Delegate |
| Rebekka Still | Delegate |
| Carl Bates | Youth Assembly Delegate |
| Felicity Blakey | Youth Assembly Delegate |
| Rebecca Lind | Youth Assembly Delegate |
| – | – |
| UNYC Delegation | – |
| Hayden Montgomerie | Facilitator |
| Daria Brankin | Delegate |
| Sarah Kim | Delegate |
| Janine Thrupp | Delegate |
| Christopher Bishop | Delegate |
| Joe Connell | Delegate |
2000
| National Executive | – |
| Carl Bates (until March 2001) | National President |
| Hayden Montgomerie | National VP |
| Rebecca Lind | National Secretary |
| Felicity Blakey | National Treasurer |
| – | – |
| NZ Model UN Coordinator | – |
| Carl Bates | National Model UN Coordinator |
| Hayden Montgomerie | National Model UN Assistant Coordinator |
| – | – |
| UNYC Delegation | – |
| Hayden Montgomerie | Facilitator |
| Rebecca Lind | Delegate |
| Rebecca Rose | Delegate |
| – | – |
| THIMUN | – |
| Kate Smith | Director |
| Raewyn Bates | Chaperone |
| Carl Bates | Head of Delegation |
| Felicity Blakey | Delegate |
| – | – |
| Wanganui-Taranaki Region | – |
| Anne Worsley | Regional President |
| Jane Harden | Regional Member |
| Joe Connell | Regional Member |
| Hayden Montgomerie | Regional Member |
| Carl Bates | Regional Member |
1999
| Anna Cutfield | National President |
| Jonathan Williams | National VP |
| Carl Bates | National Treasurer |
| Penny Burns | National Secretary |
| Sarah Davies | Public Relations (Exec) |
| William Glen | ITC |
| Hayden Montgomerie | Wellington Region Coordinator |
