Updated 5 March 2024
| Full Name | State/Region | Country | Certification Level* | Certification valid until | Next biennial review† |
| Adam Deckert | Victoria | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Adam Murphy | New South Wales | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Adam Wiggins | New South Wales | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Alan Barker | New South Wales | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Alex Mackenzie | Victoria | Australia | CPH | 1/12/2024 | 1/12/2024 |
| Alex Webb | CAH | 1/12/2024 | 1/12/2024 | ||
| Alexander Moon | Queensland | Australia | CPH | 31/12/2024 | 31/12/2024 |
| Andrew Blair | Western Australia | Australia | CPH – CPD assessment | 31/12/2021 | 31/12/2022 |
| Andrew Kaar | New South Wales | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Andrew Sobiesiak | New South Wales | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Andy Cumming | Australian Capital Territory | Australia | CPH | 1/12/2024 | 1/12/2024 |
| Anthony Belcher | New South Wales | Australia | CPH | 31/12/2022 | 31/12/2022 |
| Anthony Buckland | Tasmania | Australia | CPH – pending | 31/12/2021 | 31/12/2023 |
| Anthony McNair | Victoria | Australia | CAH | 31/12/2022 | 31/12/2023 |
| Anthony Skinner | New South Wales | Australia | CPH – pending | 31/12/2021 | 31/12/2023 |
| Arran Corbett | Queensland | Australia | CPH – pending | 31/12/2021 | 31/12/2023 |
| Arthur Bruton | Victoria | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Barry Morrison | Victoria | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Ben Caddis | Queensland | Australia | CPH | 31/12/2022 | 31/12/2022 |
| Ben Morris | Victoria | Australia | CPH | 1/12/2024 | 1/12/2024 |
| Ben Mullin | CAH | 1/12/2024 | 1/12/2024 | ||
| Ben Peacock | Victoria | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Bevan Kannemeyer | Victoria | Australia | CPH – CPD assessment | 31/12/2021 | 31/12/2021 |
| Bevan Maffescioni | Queensland | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Bradley Finney | New South Wales | Australia | CPH – pending | 31/12/2021 | 31/12/2023 |
| Bradley Goodwin | Victoria | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Brendan Bradford | Queensland | Australia | CAH | 31/12/2024 | 1/01/2026 |
| Brent Deckert | Victoria | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Brian Hinton | New South Wales | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Brian Seaton | Victoria | Australia | CPH – pending | 31/12/2021 | 31/12/2023 |
| Bruce Nicholson | South Australia | Australia | CPH | 31/12/2022 | 31/12/2022 |
| Bruna Manago | CAH | 1/12/2024 | 1/12/2024 | ||
| Bryce Stewart | Western Australia | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Callan Kerby | CCH | 1/12/2024 | 1/12/2024 | ||
| Cameron Turner | Victoria | Australia | CPH | 1/12/2023 | 1/12/2023 |
| Carolyn Ellis-Mallard | CPH | 1/12/2024 | 1/12/2024 | ||
| Carter Tonkin | New South Wales | Australia | CPH – CPD assessment | 31/12/2021 | 31/12/2023 |
| Cataldo Palombi | Australian Capital Territory | Australia | CCH | 1/12/2023 | 1/12/2023 |
| Chad Harder | South Australia | Australia | CPH – pending | 31/12/2021 | 31/12/2023 |
| Colin Giddens | Victoria | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Con Peshkoff | Queensland | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Craig Tybell | Tasmania | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Daniel Budge | New South Wales | Australia | CPH | 1/12/2023 | 1/12/2023 |
| Daniel Wagenaar | New South Wales | Australia | CPH | 31/12/2022 | 31/12/2023 |
| David (James) Wood | Victoria | Australia | CPH | 1/12/2024 | 1/12/2024 |
| Dayle Barnett | Victoria | Australia | CAH | 1/12/2024 | 1/12/2024 |
| Debby Metcalf | Victoria | Australia | CPH | 1/12/2024 | 1/12/2024 |
| Duncan Macpherson | Canterbury | New Zealand | CPH | 31/12/2022 | 31/12/2022 |
| Dylan Evans | Australian Capital Territory | Australia | CPH | 1/12/2024 | 1/12/2024 |
| Garry Leslie | Victoria | Australia | CPH | 1/12/2024 | 1/12/2024 |
| Gary Drake | Queensland | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Gary Zonneveld | New South Wales | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Gavin Richardson | Queensland | Australia | CAH | 31/12/2024 | 1/01/2026 |
| Geoffrey Sweeney | New South Wales | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Gerard Rampal | Australia | CPH | 31/12/2024 | 1/01/2026 | |
| Gordana Stamenic | Victoria | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Hamish Downs | Victoria | Australia | CPH | 1/12/2024 | 1/12/2024 |
| Harrison Schofield | Tasmania | Australia | CAH | 29/05/2024 | 1/12/2024 |
| Isaac Schulz | Queensland | Australia | CCH | 31/12/2022 | 31/12/2022 |
| Jack Parker | Queensland | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Jack Squires | Victoria | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Jacquie Bellhouse | Western Australia | Australia | CPH | 31/12/2022 | 31/12/2023 |
| James Overington | Tasmania | Australia | CAH | 31/12/2022 | 31/12/2022 |
| Jason Klein | New South Wales | Australia | CCH | 1/12/2023 | 1/12/2023 |
| Jason Venables | Queensland | Australia | CPH | 31/12/2022 | 31/12/2023 |
| John Hayes | New South Wales | Australia | CPH | 31/12/2022 | 31/12/2022 |
| John Skinner | New South Wales | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Josh Soutar | Queensland | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Justin Stockley | Western Australia | Australia | CPH | 1/12/2024 | 1/12/2024 |
| Karen Bootland | Victoria | Australia | CPH | 1/12/2024 | 1/12/2024 |
| Kevin Firth | Western Australia | Australia | CPH – pending | 31/12/2021 | 31/12/2023 |
| Kingsley Moss | Victoria | Australia | CAH | 1/12/2024 | 1/12/2024 |
| Krystal Hoult | Victoria | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Lachlan Borley | Victoria | Australia | CAH | 31/12/2024 | 01/01/2026 |
| Leigh Overall | Victoria | Australia | CPH | 1/12/2024 | 1/12/2024 |
| Lia Beecroft | Victoria | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Liam Curtis | Australian Capital Territory | Australia | CPH | 1/12/2024 | 1/12/2024 |
| Liam Miners | New South Wales | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Lucas Arnup | Victoria | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Lukas Salkeld | Tasmania | Australia | CPH – pending | 31/12/2021 | 31/12/2023 |
| Marc Chytra | Queensland | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Marcial Cano-Perez | Victoria | Australia | CPH | 1/12/2024 | 1/12/2024 |
| Mark Pickles | Victoria | Australia | CPH | 31/12/2024 | 1/01/2025 |
| Mathew Dixon | New South Wales | Australia | CPH | 31/12/2024 | 31/12/2023 |
| Matt Page | South Australia | Australia | CAH | 31/12/2022 | 31/12/2022 |
| Matthew Bamford | Victoria | Australia | CPH | 31/12/2024 | 1/01/2026 |
| Matthew McBride | Australian Capital Territory | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Mic Clayton | New South Wales | Australia | CPH – pending | 31/12/2021 | 31/12/2023 |
| Michael Debono | New South Wales | Australia | CPH | 1/12/2023 | 1/12/2023 |
| Michael Runciman | Victoria | Australia | CAH | 1/12/2024 | 1/12/2024 |
| Michael Vogels | Victoria | Australia | CPH | 1/12/2024 | 1/12/2024 |
| Michael Wheaton | Victoria | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Mike Lysaght | New South Wales | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Mitchell Saxby | Queensland | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Nicholas Lampel | Victoria | Australia | CPH – pending | 31/12/2021 | 31/12/2023 |
| Nick Kirby | Queensland | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Pat Liddell | Victoria | Australia | CPH | 1/12/2024 | 1/12/2024 |
| Paul Blumer | New South Wales | Australia | CPH | 1/12/2024 | 31/12/2026 |
| Paul Cleaver | Victoria | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Paul Jensen | Queensland | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Paul Rhook | Victoria | Australia | CPH | 1/12/2024 | 1/12/2024 |
| Paul Sheahan | Australian Capital Territory | Australia | CPH | 31/12/2022 | 31/12/2022 |
| Paul Webb | Queensland | Australia | CPH – pending | 31/12/2021 | 31/12/2023 |
| Peter Bowen | Victoria | Australia | CPH | 1/12/2024 | 1/12/2024 |
| Peter Day | Victoria | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Ray Clark | Tasmania | Australia | CPH | 1/12/2024 | 1/12/2024 |
| Rebekah Webb | Victoria | Australia | CPH – pending | 31/12/2021 | 31/12/2023 |
| Richard Dickfos | Queensland | Australia | CPH – pending | 31/12/2021 | 31/12/2023 |
| Richard Lindqvist | South Australia | Australia | CPH – pending | 31/12/2021 | 31/12/2023 |
| Robert Callander | Victoria | Australia | CPH – pending | 31/12/2021 | 31/12/2023 |
| Rod Sandison | Australian Capital Territory | Australia | CPH – pending | 31/12/2021 | 31/12/2023 |
| Rohan Oliver | Victoria | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Russell Denton | Queensland | Australia | CAH | 1/12/2024 | 1/12/2024 |
| Russell Polsen | Australian Capital Territory | Australia | CPH | 1/12/2024 | 1/12/2024 |
| Ryan De La Rue | Victoria | Australia | CPH | 1/12/2024 | 1/12/2024 |
| Ryan Ford | New South Wales | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Ryan Hillier | New South Wales | Australia | CPH | 31/12/2022 | 31/12/2022 |
| Ryan Vehlen | Victoria | Australia | CPH | 1/12/2024 | 1/12/2024 |
| Sam Avery | New South Wales | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Sam Carracher | Victoria | Australia | CPH | 1/12/2024 | 1/12/2024 |
| Samantha Bray | Victoria | Australia | CAH | 31/12/2024 | 1/01/2026 |
| Samuel Cullin | Victoria | Australia | CPH | 1/12/2024 | 1/12/2024 |
| Samuel Gumley | Tasmania | Australia | CAH | 31/12/2022 | 31/12/2023 |
| Sarah Beattie | Victoria | Australia | CAH | 1/12/2024 | 1/12/2024 |
| Scott Aulsebrook | Queensland | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Scott Walker | New South Wales | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Scott Williams | Queensland | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Seamus Feery | Victoria | Australia | CPH | 1/12/2024 | 1/12/2024 |
| Shane Tuohey | Victoria | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Shaun Fisher | Queensland | Australia | CPH – CPD assessment | 31/12/2021 | 31/12/2022 |
| Shaun Gleeson | Victoria | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Simon Bruton | Victoria | Australia | CPH | 1/12/2024 | 1/12/2024 |
| Simon Hall | Victoria | Australia | CPH | 1/12/2024 | 1/12/2024 |
| Simon Lott | Queensland | Australia | CPH | 1/12/2024 | 1/12/2024 |
| Smart Kaiulo | Queensland | Australia | CPH | 31/12/2022 | 31/12/2022 |
| Stephen Orr | Queensland | Australia | CPH | 31/12/2022 | 31/12/2022 |
| Steve Einsiedel | Victoria | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Steven Paull | Victoria | Australia | CPH | 1/12/2024 | 1/12/2024 |
| Stuart C. Smith | Victoria | Australia | CPH | 1/12/2024 | 1/12/2024 |
| Stuart P Smith | Victoria | Australia | CPH | 31/12/2024 | 1/01/2025 |
| Temistocle Li Vigni | Campania | Italy | CPH | 1/12/2024 | 1/12/2024 |
| Thomas Candy | Victoria | Australia | CPH | 1/12/2024 | 1/12/2024 |
| Thomas Long | New South Wales | Australia | CPH – CPD assessment | 31/12/2021 | 31/12/2022 |
| Thomas Reed | Victoria | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Tom Best | New South Wales | Australia | CPH | 31/12/2022 | 31/12/2023 |
| Tom Gerdei | Victoria | Australia | CPH | 01/01/2024 | 01/01/2026 |
| Travis Thomson | Victoria | Australia | CPH | 1/12/2023 | 1/12/2023 |
| Trent Rengger | New South Wales | Australia | CPH | 31/12/2024 | 31/12/2024 |
| Tristan Richter | Queensland | Australia | CPH | 31/12/2024 | 31/12/2023 |
| Wayne Ross | Victoria | Australia | CPH – pending | 31/12/2021 | 31/12/2023 |
| Zachariah Ward | Western Australia | Australia | CPH | 31/12/2024 | 31/12/2023 |
* Level of Certification:
CPH Certified Practising Hydrographer
CAH Certified Associate Hydrographer
CCH Certified Cadet Hydrographer
†Biennial review period:
Certified hydrographers must maintain a Continuing Professional Development (CPD) log detailing professional development activities during the review period.