Leadership Team
Simon Kelly
Managing Director
Neil Holmes
Director of Operations
Kirk Bryant
Director of Sales
Sven Straub
Director of Finance
Delivery Team
Mick Davis
Construction Manager
Nick Byron
Operations Manager
Paul Czernotowycz
OCS Project Manager
Leigh Giles
Data Project Manager
Stuart Holmes
Project Manager
Hattie Cronin
Financial Controller
David Kelly
HSEQ Manager
Sarah Nicholson
Contracts Administrator
Nick Dellow
Service Manager
Marcus Kerr
Estimating Manager
Karissa Hyland
Group Administrator
Catrina Byron
Marketing & Communications Coordinator
Trevor Cavanagh
Safety and Commissioning Officer
Richard Practico
Foreman – Prefabrication
Darren Cini
Programmer – Prefabrication and Switchboards
JOIN THE TEAM
Build Your Career with Q4
At Q4, our people come first. We foster a safe, inclusive environment where everyone can thrive, develop their expertise, and deliver work to be proud of. Through ongoing investment in technology and capability, we empower our teams—from apprentices and tradespeople to engineers and corporate professionals—to grow alongside our expanding business. Join Q4 to build a rewarding career and help deliver Australia’s future infrastructure.
Build your future with Q4. Forward Thinking. Tomorrow Ready.