Our Team

A team of project managers that deliver

Our team offers extensive experience working for clients across multiple sectors both locally and globally.

From inception to completion, we use a collaborative approach to turn our client’s visions into reality. Our success lies in the relationships we build with our clients prior to commencing construction, throughout the process and afterwards. We pride ourselves on being trustworthy, reliable and delivering quality in all that we do.

Aaron Lawrence

Director

aaron@vertexpm.com.au | 0449 827 203

Our team of skilled client side project managers is led by Director, Aaron Lawrence. As a seasoned client side project manager with over 20 years of experience in the industry, Aaron has honed his ability to provide timely, accurate advice and guidance to ensure his client’s goals are achieved.

Aaron employs an energetic, passionate, adaptable and fresh-thinking approach to ensure that the projects that he manages are successful.

During his career, Aaron has gained extensive experience working with private and public clients ranging from small investors to major multinational organisations. He has worked in Australia, New Zealand, the United Kingdom and for clients based around the world.

James Bertsos

Senior Project Manager
jamesb@vertexpm.com.au | 0407 086 124

James is a seasoned Senior Project Manager with over 20 years of experience in planning, development, and delivery of projects across various property sectors, including retail, industrial, residential, mixed-use, commercial, civil, and infrastructure.

Renowned for his ability to build and lead large project management teams, James has successfully delivered significant and landmark projects exceeding $500 million from ECI, through to contract negotiations, construction and completion.

James has particular experience in leading the early stages of projects from the initial brief through to due diligence, feasibility, funding and development approvals.

James is an industry leader with a meticulous focus on safety, quality, and ethical and sustainable supply chain management.

Heidi Kolatchew

Senior Project Manager
heidik@vertexpm.com.au | 0419 949 295

Heidi has over 20 years’ experience in the construction industry as a client-side project manager, delivering projects, programs and portfolios across public and private sectors. With a background in architecture and a passion for people, she has led teams delivering capital works portfolios valued over $120M annually, and managed projects in residential, commercial, health and aged care, sport, urban infrastructure and asset management.


Known for her calm and grounded approach, Heidi navigates complex project challenges with clarity, fostering collaboration and collective problem-solving. She aligns project objectives with organisational strategy, consistently delivering high-quality, cost-effective outcomes.

Heidi holds qualifications in architecture, project management and business management. Her expertise spans stakeholder engagement, consultant coordination, design and contract management, strategic planning, risk management, feasibility studies, business case development, and capital portfolio oversight. She is committed to excellence and delivering the best outcomes for her clients.

Sam Zlatevski

Senior Project Manager
samz@vertexpm.com.au | 0415 672 330

As a seasoned Senior Project Manager, Sam brings extensive expertise gained from collaborating with top-tier Property Advisory firms and ASX Listed Property Groups. His career has included pivotal roles in Development Management and Project Management, where he has consistently driven successful outcomes across diverse projects.

Sam's expertise spans the entire project life cycle, from initial stages of due diligence and acquisition, through pivotal milestones such as re-zoning or DA Approval, and onward to project delivery and handover phases.

His portfolio showcases a breadth of projects in commercial, residential, mixed-use, retirement, and urban development sectors, with a specialisation in master planned communities and urban renewal developments. He has notably excelled in steering projects within key growth corridors across Sydney Metro and Regional NSW.

Eddie Clifton

Project Manager
eddiec@vertexpm.com.au | 0432 083 922

Eddie has over a decade of construction experience across various sectors including commercial, residential, health, hospitality and community. With expertise spanning every stage of the project lifecycle, Eddie combines hands-on site-based experience and construction knowledge to deliver outstanding results.

Eddie’s portfolio includes complex refurbishments and new builds valued up to $63 million, including award-winning projects like the Crystalbrook Kingsley hotel.

Known for his collaborative leadership style and solutions-focused approach, Eddie leads multidisciplinary teams to achieve exceptional outcomes on time and within budget, earning client trust and industry accolades for energy efficiency and sustainability in construction.

Shelley Wolthers

Project Manager
shelleyw@vertexpm.com.au | 0402 876 442

As a Project Manager at Vertex Project Management, Shelley manages projects through every phase of the project life cycle, from initial planning and pre-construction to successful delivery and post-completion. Her approach ensures that each project is aligned with client objectives, using Vertex’s processes and procedures to drive both client satisfaction and project success.

Shelley brings a wealth of expertise in contract administration, financial oversight, and risk management. She provides project management services, including comprehensive cost reporting, payment certification, invoice approvals, and regulatory documentation for council approvals—covering Construction Certificates, Complying Development Certificates, and Occupation Certificates.

Throughout her time with Vertex, Shelley has demonstrated her ability to deliver projects across numerous sectors. Her portfolio includes the fitout of Endeavour Energy’s new headquarters, the major refurbishment of the Mercure Cairns, and a range of projects for the University of Newcastle.

Natalie Lawrence

Business Development & Marketing Director
natalie@vertexpm.com.au | 0425 379 770

Natalie Lawrence is our Business Development & Marketing Director at Vertex Project Management. You will find her working closely with the project managers to help grow the company, maintaining important client relationships and attracting new business from both existing and new clients.

She provides oversight of all business development and marketing activities from strategy to implementation. Additionally, her role includes a business management component of tracking financial performance, assisting with recruitment, liaising with external consultants, and working on improvements to our operations. Natalie also has a strong background in professional services and marketing in the legal, property and construction sectors.

During her career, Natalie has worked in professional services in both Australia and the UK. She has also been lucky enough to travel internationally for work through involvement in sponsorships and conferences in Europe and the USA.

Grace Thomson

Office Coordinator
gracet@vertexpm.com.au | 0427 913 505

As Office Coordinator at Vertex, Grace plays an integral role in supporting the company’s operations across multiple locations. With a strong background in office administration, facilities management, and event coordination, Grace brings a wealth of international experience and a proactive, solutions-focused mindset to her role.

Known for her exceptional organisational skills, leadership capabilities, and ability to foster a positive workplace culture, Grace supports the smooth running of day-to-day business operations, facilitates internal communications, manages supplier and contractor relationships, and coordinates initiatives that strengthen team engagement, wellbeing and productivity.

Grace contributes to the consistency, efficiency and continuous improvement of operational practices across the organisation. Her professionalism, attention to detail, and collaborative approach make her a valued team member and a key enabler of project and business success at Vertex.

Vertex Project Management

Building futures together

Discover our breadth of experience by reviewing some of our current and past projects here.

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