People

Our strengths are our people and the teams we create

Meet Our Team

At QMC Group, we are a diverse team of professionals, each bringing unique strengths and a shared passion for excellence. Our team’s diversity and commitment are the driving forces behind our success. We believe in delivering exceptional service and results for our clients, underpinned by a culture of innovation and collaboration. Continuous learning is at the heart of our operations, fostering growth and adaptability. Together, we are more than just a team – we are a family, united in our commitment to our clients’ success and to each other. Leading the business is our executive team, who bring the best thinking and practical experience to deliver success to our clients.

Sonia Tizzone
Financial Controller
Kurt Byers
Asset & Plant Manager
Sarah Zanni
Safety Manager
Amanda Watson
IMS Compliance Partner
David Nuberg
Leader of Continuous Improvement
Jessica Tannous
Communications Manager
Jordan Commisso
Portfolio Leader Infrastructure
Jackson Harris
Portfolio Leader Communities
Jayden Tizzone
Portfolio Leader Maintenance & Restorations
Jamieson Coote
Portfolio Leader Landscape
Grace Huang
Senior Accountant
Baishali Adhikari
Estimator
Mostafa Aly
Project Engineer
Andres Aranguren
Project Engineer
Paul Gillespie
Project Coordinator
Josh Linnegar
Project Coordinator
Hamza Khan
Site Engineer
Muhammad Salman
Site Engineer
Conan Freeman
Project Support Officer
Emmanuell Terrado
Cadet Engineer
Sarah Wakim
Cadet Engineer
Pat Belcastro Junior
Construction Cadet
Daniel Commisso
System Administrator
qmc steve

Steven Commisso

Chief Executive Officer

In 1995, Steven joined his father, Joe Commisso in starting Quality Management & Constructions Pty Ltd, trading as QMC Group. Steven is a skilled construction industry veteran with over 30 years of experience. Steven oversees the delivery of all business portfolios, ensuring work is executed at a high level and in line with our company and client’s objectives. Under Steven’s leadership as CEO, QMC has grown into a mature, reliable, and successful Civil Engineering contractor.

qmc lyndon

Lyndon Toh

Chief Operating Officer

Proudly, Lyndon is a shareholder of QMC and as Chief Operating Officer, Lyndon is responsible for the successful performance of all QMC Portfolios. He provides guidance to the Portfolio Leaders whilst ensuring that QMC’s procedural disciplines are complied with. Lyndon joined QMC Group in 2007 as a Project Engineer, before becoming a Project Manager in 2009, and the NSW Civil Infrastructure Manager in 2013. Since 2013, Lyndon and his team have rolled out greater than 300,000m2 of streetscape and road projects.