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Our Team

"You’re only as good as the people you surround yourself with."

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It all starts with respect. Our strong team of hard working and talented people is the key to everything. We pick experts who focus on what matters to the individual. When you trust your team and your goals match your client’s expectations, you get great results. It’s as simple as that.

People spend their lives within built environments – homes, workplaces, entertainment, and commercial spaces. We work to determine what our clients need so we can deliver the projects that make them happy. Our projects are always built with integrity to make a meaningful impact on the wider community.

Ryan Cappello


Ryan started his career as an apprentice plumber some 20 years ago and a few years later his entrepreneurial spirit lead him to start his own plumbing and civil business Cappello Hydraulics and Civil.

His passion for commercial and large-scale residential projects saw the introduction of CORE in 2010. Today, the Group employs over 150 staff and has become one of the largest private business employers in ACT. Ryan’s day to day involves meetings with Executive Management focusing on Growth Opportunities, Project Deliverables, Finance, Risk and Operational Matters and a heavy focus on the overall Group Strategy.

Ryan has over 20 years’ experience in managing a successful large business. He brings leadership, innovation, inclusiveness, and entrepreneurship to the Group through his wealth of experience in construction and property development. His ability to recognise talent and build trusted working relationships has allowed Ryan to build an excellent work culture for staff to thrive.

Ryan is a firm believer that you are only as good as your team.

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Martine Cappello


Martine is one of the founding directors of Core.

Martine has over 20 years’ experience in managing a successful large business. Her day to day involves managing all aspects of running a business from finance, operations, administration to resourcing.

Martine brings leadership and strategy to Core. She has a wealth of experience in construction and property development. Whilst managing Core, she is also a Director of Core’s sister company Cappello Hydraulics and Civil Pty Limited. She is one of the driving force behind the Group’s success.

She is a strong advocate of women in leadership and a firm believer of equal employer opportunity

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Aaron Lal

Chief financial officer

Aaron joined Core in September 2016 as the Group’s Chief Financial Officer.

Aaron has over 18 years’ experience as a finance professional with management skills across the areas of leadership, strategy, finance, operations and transformation; he has worked in senior finance roles within the Property Development, Construction and the Big Four Accounting firms.

Aaron brings with him a wealth of experience in construction and property development. Prior to joining Core, he was in a senior finance role with an Industry Superannuation Fund where he managed the financial and APRA compliance requirements. In his role with Core, Aaron is driving the strategic direction of the Group with a strong focus on establishing a rigorous compliance governance framework.

He is a Chartered Accountant as well as a Chartered Tax Advisor. He is responsible for the day to day financial, treasury and compliance functions of the Group.

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Emily Leemhuis

Development Manager

Emily is responsible for oversight and management of the development side of Core’s projects, from project inception to delivery. Key responsibilities include due diligence, project team coordination, design development, development approvals, Government and stakeholder engagement, oversight of marketing and sales and project feasibility.

Emily has a background in Town Planning, having completed a degree at the University of Canberra in 2016. Prior to joining Core, Emily worked as a Town Planning consultant serving both Government and private sector clients on a range of complex commercial, residential, and industrial developments across NSW and the ACT. Given Emily’s Town Planning background, she also manages all development approvals and town planning for Core in-house.

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Glenn Hart

HSEQ Manager

Glenn’s role is to oversee all of the projects Safety, Environmental and Quality systems to ensure they are correctly implemented on all of Cores projects. He offers over 14 years of experience as a safety professional in the commercial construction and renewable energy sectors combined with a high level of commitment and professionalism.

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