Our Team

Ritchie Perera

Ritchie Perera is the Founder and Group CEO of Castle Group and is responsible for setting our strategic direction and overseeing the Group’s diverse operations.

He is an entrepreneur and business leader with 30+ years’ experience across property, hospitality, entertainment, and technology sectors. Under Ritchie’s leadership, Castle Group has become a leading property developer in Western Sydney.

Ritchie’s visionary leadership extends to other industries in Australia and abroad including hospitality and technology companies. He currently owns and operates six popular restaurants in Sydney with another two ventures set to open in 2025. He also holds a major interest in global technology firm, Arimac.

Ritchie founded the Perera Foundation in 2014 to support non-profit organisations address critical social issues.

Ranisha Clarke

Ranisha Clarke is a highly regarded leader in Australia’s property and urban development sector, known for her strategic vision, commercial acumen, and ability to deliver transformative change.

With over 20 years’ experience, Ranisha has led multi-billion-dollar residential and mixed-use projects, including leading the $1 billion divestment of 12 master planned Lendlease Communities projects – balancing strong commercial outcomes with sustainable, community-focused growth.

As CEO of Castle Group, Ranisha is driving the company’s next phase of growth, bringing fresh ambition and deep industry expertise to create transformative urban communities. Beyond her executive role, she also serves as President of the Property Council of Australia’s NSW Division and as a Director on its National Board, where she plays a key role in shaping policy and fostering innovation in the sector.

Nick Lennon

Nick is an accomplished property executive with more than two decades of experience leading complex urban development projects across NSW. His career spans major projects such as Oran Park, Macarthur Heights, Edmondson Park and Green Square, where he successfully navigated planning approvals, governance frameworks, and stakeholder partnerships to deliver high-impact results.

As Head of Development at Castle Group, Nick is responsible for overseeing the planning and delivery of major residential projects, ensuring they achieve both commercial value and community benefit. He is recognised for building high-performing teams, mentoring emerging talent, and aligning government, private sector, and community priorities to deliver places people are proud to call home.

Isaac Kassis

Isaac is an acquisitions and project management specialist with over six years of experience in development with Castle Group, Colliers, Craig and Rhodes, and Cardno.

He leads an experienced acquisitions team responsible for financial analysis, negotiating terms, and managing the due diligence process of acquisitions. Isaac has been instrumental in growing Castle Group’s significant project pipeline.

Cheyne Oxford

Cheyne is responsible for brand strategy, customer acquisition and national campaigns, ensuring Castle Group continues to grow its profile while delivering value for customers and stakeholders.

With more than 18 years’ experience working across the property, automotive, health and lifestyle sectors, Cheyne has a proven track record in building trusted and enduring brands, and in creating meaningful connections between people and place.

Daz Kasandaria

Daz is responsible for all areas of financial management of Castle Group’s extensive and diverse property portfolio, investments and trading, with a focus on developing and implementing long-term financial strategies to support growth.

With nearly 20 years of experience, he has deep expertise in financial reporting, corporate governance, and strategic financial planning. He previously worked for property developer, Denwol Group and financial planning firm, Thirdview.

John Ng

John is a qualified Chartered Accountant with over 17 years of experience in finance. He has worked for major companies such as PricewaterhouseCoopers, Ampol and Infrabuild Australia.

With expertise in financial control, risk management and compliance, John oversees financial operations, delivering strategic insights, and ensuring the seamless execution of processes.

Matthew Lau

Matthew heads the legal, governance and compliance functions of Castle Group. With his extensive experience in the property development, construction and finance industries, Matthew understands the development and funding business from a unique legal and commercial perspective.

He has previously worked for a listed international property developer, a global law firm and a specialist construction law firm.

Jackie Staples

Jackie is responsible for setting the company strategy for recruitment, training and development, performance management, and employee engagement.

She has over 25 years of experience driving strategic and operational HR excellence, across several industries including healthcare and professional services. She served on the Australian-New Zealand leadership team of a multinational healthcare company.