Our Senior Team

The Collaborative Cost Management team offers a collective 100+ years experience in delivering client-focused cost management solutions.

spinning cog

We have delivered both large-scale new construction projects, and smaller refurbishment and fit-out works, within a variety of industry sectors and this experience ensures our clients receive high-quality, realistic cost management advice.

photo of Jason Thornley - Director

Jason Thornley - Director and Group CEO

Jason’s extensive experience, gained over the past 30 years, has established him as a skilled project and cost management professional. His collaborative approach to cost management focuses on open and honest client communication through a proactive team leadership role. This inclusive approach is supported by his technical understanding of value and cost management and his wider construction knowledge.

Over the past 10 years Jason has worked on some of Australia, India and the South Pacific’s premier projects for both private and public clients. He has worked on a range of projects in the infrastructure, education, hospitality, retail, sporting facilities, fit out, high-rise residential and industrial sector space. His technical understanding combined with his client-side and contractor side experience gives him a unique appreciation of construction, and his strong skills in cost management allows him effectively manage costs, design, program and cashflows in a proactive manner.  Jason is responsible for the strategy of the CCM Group and ensuring that the team works in a collaborative manner and in line with the CCM Values through mentoring,  training and working alongside staff.

Bachelor of Science (Quantity Surveying) | Chartered Quantity Surveyor | Certified Professional Quantity Surveyor | Fellow of the Australian Institute of Quantity Surveyors | QBCC Nominee | Project Management Supervisor | Registered Tax Agent 

photo of Yvion Lee - Executive Quantity Surveyor

Peter Cox - Chief Growth Officer (Australia) and Director (India)

Peter is a highly experienced consultant with over 45 years of experience in the property and construction industry across Australia, India and the Asia region. He has a unique ability to combine local and international knowledge to help clients achieve improved performance and sustainable outcomes. Peter is passionate about delivering value and innovation to clients, as well as developing corporate in-house capabilities in project planning and controls.

In his role at CCM, Peter has a responsibility for both CCM’s Australian and Indian business. He draws on his extensive experience to serve as a customer engagement and senior projects advisor, with a focus on business growth. Peter works closely with the other CCM directors to constantly expand and add value to the service offerings of the company. He is committed to building strong relationships with clients and helping them achieve their goals.

One of Peter’s key strengths is his ability to develop in-house capabilities in project planning and controls. He believes that by empowering clients with the necessary skills and tools, they can achieve improved performance and sustainable outcomes. Peter is also a strong advocate for innovation and is always looking for ways to improve processes and deliver value to clients. His deep understanding of the property and construction industry, combined with his passion for delivering results, make him an asset to any project team.

RMIT Diploma of Quantity Surveying | Fellow of the Australian Institute of Quantity Surveyors | Fellow of the Royal Institute of Chartered Surveyors | Registered Building Practitioner VIC

photo of Jason Thornley - Director

Meenakshi Sundaram R - Director (India)

R M Sundaram’s expertise in the construction industry spans over 24 years. He has mentored multiple start-ups in building their businesses in South Asia, and has managed and led various companies and commercial contracts in both the public and private sectors. His experience includes key account management and quantity surveying, which has equipped him with an in-depth understanding of the construction industry.

As a team leader, R M Sundaram is well-known for his extensive team management skills. He has mentored staff members to improve their skill levels and gain a better understanding of various projects. This approach has resulted in higher levels of productivity, more efficient work processes, and improved project delivery. R M Sundaram is passionate about the construction industry and believes that giving back to the industry is essential. He guest lectures at engineering institutes, sharing his knowledge and experience with aspiring engineers. Additionally, he is involved in the RICS South Asia, playing an active role in shaping the future of the industry in the region.

R M Sundaram’s experience in mentoring start-ups has given him unique insights into the challenges faced by new businesses in the construction industry. He has a deep understanding of the importance of cost management and effective team management in ensuring the success of a new venture. R M Sundaram’s mentorship has helped start-ups to build strong foundations, enabling them to grow and thrive in the competitive construction industry. His extensive experience and leadership skills make him a valuable asset to any project or team in the construction industry.


Bachelor of Engineering (Electrical & Electronics) | Master of Construction Technology & Management |  Member of the Royal Institute of Chartered Surveyors

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Yvion Lee - Associate

Yvion is experienced in client-side construction consulting with advanced technical skills in cost management, bill measurement, and project management. Her extensive construction knowledge and recent client-side experience have given her a unique understanding of the complexities of construction projects, allowing her to offer invaluable insights into project risk, cost control, and value engineering. She has a strong background in BoQ measurement and is adept at interpreting BoQs to develop budgets, estimate costs, and control expenses.

Throughout her career, Yvion has demonstrated a commitment to quality and a dedication to finding cost-effective solutions that deliver maximum value. She is known for her ability to navigate complex construction issues with ease and her technical expertise, which have earned her a reputation as a trusted advisor to clients.

Yvion’s passion for her work and her exceptional skills make her an asset to any construction project. Her collaborative approach to project management ensures that she builds strong relationships with project stakeholders and facilitates effective communication between them to ensure everyone is aligned towards achieving the project’s objectives. Yvion’s commitment to delivering high-quality projects and her technical expertise make her an invaluable asset to any project team.

Bachelor of Science (Quantity Surveying) | Certified Quantity Surveyor | Associate of the Australian Institute of Quantity Surveyors

photo of Liam Wood - Cost Planner

Liam Wood - Team Leader and Cost Planner

Liam is a professional with a background in design and contractor-side experience. His skills enable him to understand the cost and buildability of designs, and he has successfully delivered projects on time and within budget. Liam’s expertise in quantity surveying includes preliminary cost plans, estimating replacement cost estimates, and post-contract services within the construction industry. He has an eye for detail and a thorough understanding of the complex cost components that make up construction projects. Additionally, he has extensive knowledge of the development approvals process and can navigate it with ease to ensure projects are completed on time and within budget.

Liam’s approach to project management is focused on collaboration and communication. He builds strong relationships with project stakeholders and facilitates effective communication between them to ensure everyone is aligned towards achieving the project’s objectives. Liam is dedicated to delivering projects to the highest possible standard, and his commitment to quality and attention to detail make him a valuable asset to any project team.

Liam has a unique combination of design and contractor-side experience, quantity surveying expertise, and knowledge of the development approvals process. He is committed to delivering high-quality projects and has a collaborative approach to project management, making him an invaluable asset to any project team.

Bachelor of Design (Honours), QUT – Architecture studies, Landscape Architecture and Property Valuation | Master of Architecture (QUT)

Careers at Collaborative Cost Management

Interested in joining the CCM Team?

The team at Collaborative Cost Management is focused, professional and consistently delivers outstanding service to our clients. We are constantly looking to expand our capabilities to meet the demands of our ever-increasing project portfolio so, if you feel like you have what it takes to join the team and would like to express your interest in working with Collaborative Cost Management, please click the button below and forward your CV directly to our administration team.

ISO 9001 Global Certification
ISO 9001 Global Certification
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Contact Us


Level 3, 240 Queen Street, Brisbane QLD 4000
Telephone: 07 3532 4079

3 Spring Street, Sydney NSW 2000
Telephone: 02 9060 6482

454 Collins Street, Melbourne VIC 3000
Telephone: 03 9108 4215

EMAIL query@collaborativecm.com.au


1st Floor Masi Enclave
24, Pallavan Street
Chennai 600 032
Telephone: +91 98403 81954

Mahalakshmi Chambers
29, MG Road
Bengaluru 560 001
Telephone: +91 98403 81954

Level 6, N Heights
Plot No 38, Phase 2, Siddiq Nagar
Hyderabad 500 081
Telephone: +91 98403 81954

310 – 311, 3rd Floor
8B, Sakinaka Telephone Exchange Lane
Sakinaka, Andheri East
Mumbai 400 072
Telephone: +91 98403 81954

Collaborative Cost Management acknowledges the Traditional Owners of the land, sky and waters. We pay our respects to Elders past, present, and to the future leaders of our community.
We honour the ongoing deep spiritual connection that the Traditional Owners have with this country. With respect, we tread gently to help reconcile and pave the way for a united and harmonious future for all people.