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Consultants

Meet the team

​

Our expert team of engineering consultants and support staff, have a diverse range of backgrounds, engineering and project management skills. What they all have in common is a shared passion for problem-solving, collaboration with our clients, and a shared love of the outdoors! 
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Dan Tombleson

DAN TOMBLESON

Managing Director

dan.tombleson@lumen.net
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Brett Barnes

BRETT BARNES

Manager - Electrical - AU | Director

brett.barnes@lumen.net
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Rhys Vertue

RHYS VERTUE

Manager - Overhead Lines - AU | Director

rhys.vertue@lumen.net
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Ben Thomson

BEN THOMSON 

Manager - Energy & Carbon | Director

ben.thomson@lumen.net
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Kate de Bruin

KATE DE BRUIN 

Manager - Structural

kate.debruin@lumen.net
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Aaron Lines

AARON LINES

Manager - Corrosion and Protection

aaron.lines@lumen.net
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David Stevens

DAVID STEVENS

Manager - Overhead Lines 

david.stevens@lumen.net
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Craig Moody

CRAIG MOODY

Business Services Manager

craig.moody@lumen.net
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Peter Greenway

PETER GREENWAY 

Principal Engineer - Overhead Lines

peter.greenway@lumen.net
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Ian Dyson

IAN DYSON 

Principal Engineer - Overhead Lines

ian.dyson@lumen.net
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Mitchell Leaman

MITCHELL LEAMAN 

Principal Engineer - Overhead Lines

mitchell.leaman@lumen.net
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Robbie McIvor

ROBBIE MCIVOR 

Principal Engineer - Overhead Lines

robbie.mcivor@lumen.net
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Andrej Jujikis

ANDREJ KUJIKIS

Principal Engineer - Overhead Lines

andrej.kujikis@lumen.net
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Tim Hosking

TIM HOSKING 

Principal Engineer - Overhead Lines

tim.hosking@lumen.net
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ALLAN ROBERTSON

Principal Engineer - Structural

allan.robertson@lumen.net
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DOUG DEANS 

Principal Consultant - Asset Management 

doug.deans@lumen.net
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Kees Brinkman

KEES BRINKMAN

Principal Consultant - Energy and Carbon

kees.brinkman@lumen.net
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Paul Farrelly

PAUL FARRELLY

Principal Consultant - Energy and Carbon

paul.farrelly@lumen.net
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Alelign Gessese

ALELIGN GESSESE 

Energy Lead - Energy and Carbon

alex.gessese@lumen.net
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George Gray

GEORGE GRAY

Solutions Lead- Energy and Carbon 

george.gray@lumen.net
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Sarah Ledingham

SARAH LEDINGHAM

Drafting Co-Ordinator - Structural

sarah.ledingham@lumen.net
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Rob Glover

ROB GLOVER

Senior Consultant - Corrosion and Protection

rob.glover@lumen.net
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Ken Ormandy

KEN ORMANDY 

Senior Engineer - Overhead Lines

ken.ormandy@lumen.net
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Warwick Dowling

WARWICK DOWLING

Senior Engineer - Overhead Lines

warwick.dowling@lumen.net
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CHANDRA CHOLLANGI

Senior Engineer - Overhead Lines

chandra.chollangi@lumen.net
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Conor Keena

CONOR KEENA

Senior Engineer - Structural

conor.keena@lumen.net
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Stephen Song

STEPHEN SONG

Senior Engineer - Structural

stephen.song@lumen.net
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KIRILL KISELEV 

Senior Draftsperson - Structural

kirill.kiselev@lumen.net
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JULIANA PINEDA LARA

Senior Draftsperson - Overhead Lines

juliana.pineda@lumen.net
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Karl Formo

KARL FORMO

CA Specialist / Inspector 

karl.formo@lumen.net
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Desmond Gracie

DESMOND GRACIE

CA Specialist / Inspector

des.gracie@lumen.net
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Amani Siau

AMANI SIAU

CA Specialist / Inspector

amani.siau@lumen.net
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RARCHYN MAKEA

CA Specialist / Inspector

rarchyn.makea@lumen.net
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Declan Cruickshank

DECLAN CRUICKSHANK

Inspector - Corrosion and Protection

declan.cruickshank@lumen.net
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Pat Wagner

PAT WAGNER 

Engineer - Asset Information

pat.wagner@lumen.net
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Sergei Tkanchenko

SERGEI TKACHENKO

Engineer - Overhead lines

sergei.tkachenko@lumen.net
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Rose Paterson

ROSE PATERSON 

Engineer - Overhead Lines

rose.paterson@lumen.net
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Ethan Roylance

ETHAN ROYLANCE 

Engineer - Overhead Lines

ethan.roylance@lumen.net
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Seff Curle

SEFF CURLE

Engineer - Overhead Lines

seff.curle@lumen.net
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NUALA O'NEILL 

Engineer - Overhead Lines

nuala.oneill@lumen.net
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Paul Tran

PAUL TRAN 

Engineer - Electrical

paul.tran@lumen.net
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Edith Fan

EDITH FAN

Engineer - Structural

edith.fan@lumen.net
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Hugh McCoshim

HUGH MCCOSHIM 

Engineer - Energy and Carbon 

hugh.mccoshim@lumen.net
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MATHIAS CORWIN 

Engineer - Energy and Carbon 

mathias.corwin@lumen.net
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Tam Tran

TAM TRAN 

Graduate Engineer - Overhead Lines

tam.tran@lumen.net
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HASIDU WANNIARACHCHI

Graduate Engineer - Overhead Lines

hasidu.wanniarachchi@lumen.net
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Bettina Hussey

BETTINA HUSSEY

Line Designer - Overhead Lines

bettina.hussey@lumen.net
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ANDREW PARTRIDGE

Field Testing Technician - Electrical

andrew.partridge@lumen.net
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Callum Nicoll

CALLUM NICOLL

IT and Software Specialist

callum.nicoll@lumen.net
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Rebecca Gray

REBECCA GRAY

Finance and Administration Specialist

rebecca.gray@lumen.net
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Chloe McCartin

CHLOE MCCARTIN

Administrator

chloe.mccartin@lumen.net
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