About us

Ambi Bala
Founder/ Director
With over 20 years of experience in finance and property development, I am deeply passionate about helping people achieve their dreams and build a brighter future. Over the years, I’ve had the privilege of assisting countless clients in securing their first homes and making sound investment purchases. At Casey Developments, my mission has evolved. I am now focused on not only helping clients acquire homes but also enabling them to pay off their mortgages as swiftly as possible, paving the way to true financial freedom.
My goal is to empower each client to take control of their financial future. By leveraging smart, secure, and targeted investment strategies, I help clients eliminate debt, build wealth, and ultimately enjoy a lifestyle of choice and comfort. But this journey goes beyond personal gain; it’s about contributing to the growth and prosperity of our entire community.
I firmly believe that when individuals thrive, communities grow stronger. This is why I am committed to fostering a collective spirit of growth and success through Casey Developments. Financial freedom creates opportunities for everyone—from families investing in their future to local businesses benefiting from community development. Personally, I am passionate about guiding everyday earners, like the average mum and dad, on a transformative journey towards financial freedom and lasting wealth. My goal is to help them embrace hope, unlock their potential, and lay the foundations for a prosperous future.
As we work together, we not only build wealth but also cultivate a foundation for a happier, healthier community where everyone can flourish. At the heart of Casey Developments is the belief that financial success should uplift us all. Guided by the motto, “Let’s Grow Together,” I am dedicated to building pathways that bring prosperity and well-being to my clients and the communities they are a part of. Together, we can create a future where financial security and community growth go hand in hand.
Our Partners

Patrick
Ng
Architect, Director & Chairman

Aynkaran
Sivaratnam
CEO &
Director

Dhilharan
Sivaratnam
Head of Acquisition & Innovation
Dhilharan is dedicated to creating sustainable change through collaborations and partnerships, believing that engaging multiple stakeholders can have a meaningful impact on communities. With over 25 years of experience, he has directed many of OYOB’s most notable and successful projects.
Starting his career at St George Bank, Dhilharan soon realized his passion lay in property development, not accounting. Following the 1991 financial recession, he began his journey into property development, achieving early success.
In 1998, he met Patrick and began collaborating on residential projects. Their successful partnership eventually led to the founding of OYOB. As the ‘big picture’ strategist at OYOB, Dhilharan’s innovative thinking drives the company’s growth and creativity, complementing Patrick’s technical expertise. He formulates creative strategies emphasizing symbiotic responsibility and shared values in property investments.

Michael
Mamasis
Sales Director, Property Strategist
With nearly four decades in real estate, Michael Mamasis began his career as a
Financial Planner at Westpac before moving into the industry. He led a successful real estate office and now serves as Sales Director and Property Strategist at OYOB Property Group.
Michael’s rich experience and strong ethical principles drive his client-focused
approach, ensuring value delivery to OYOB’s clients and partners. His expertise, particularly in land acquisition’s impact on project profitability, has been instrumental in bringing OYOB’s unique offerings to market.
Highly regarded for his knowledge, straightforward communication, and integrity, Michael adeptly navigates complex real estate scenarios. His commitment to fostering investor opportunities and developer profit-sharing underscores his dedication to stakeholders’ best interests.
With nearly four decades in real estate, Michael Mamasis began his career as a
Financial Planner at Westpac before moving into the industry. He led a successful real estate office and now serves as Sales Director and Property Strategist at OYOB Property Group.
Michael’s rich experience and strong ethical principles drive his client-focused
approach, ensuring value delivery to OYOB’s clients and partners. His expertise, particularly in land acquisition’s impact on project profitability, has been instrumental in bringing OYOB’s unique offerings to market.
Highly regarded for his knowledge, straightforward communication, and integrity, Michael adeptly navigates complex real estate scenarios. His commitment to fostering investor opportunities and developer profit-sharing underscores his dedication to stakeholders’ best interests.

Peter Sizeland
Peter Sizeland is a distinguished financial expert known for his innovative Financial Scorecard Methodology, a transformative system that has reshaped the financial futures of countless Australians. Peter provides tailored financial and investment solutions, with his unique approach empowering clients to not only achieve home ownership and financial freedom but also confidently secure their long-term financial goals.
A passionate advocate for financial literacy, Peter leads financial brainstorming and educational sessions that help clients gain greater clarity on what constitutes financial success. This leads to healthy discussions on how you can take control of your financial destiny with confidence, maximising your capacity to accomplish your financial goals. Peter’s depth of finance and investment experience provides significant insights and guidance to assist you in making fully informed decisions regarding your financial journey.
Peter’s Scorecard Methodology offers a clear and comprehensive assessment of his clients’ financial health, addressing key metrics such as income, savings, investments, and expenditures. Through meticulous analysis, he provides actionable insights that help clients structure their finances for success. Whether clients aim to pay off a mortgage quickly, build a robust investment portfolio, or plan for a financially secure retirement, Peter’s personalised strategies deliver realistic, actionable solutions tailored to each individual’s goals. By offering a clear picture of their financial standing, Peter equips clients with the tools to navigate their journey confidently, ensuring they move toward lasting financial freedom.
As part of the FINNIA Property Team, Peter’s ability to guide you towards establishing a game plan for your financial success and showing you a full range of property investment solutions enables you to make informed decisions.
Winning the game of money is not only about the right investments; it’s also about the right structures, asset selection, and financial utilisation that blend together to create the full picture. Once you gain clarity of your circumstances through the lens of the Financial Scorecard Method, you significantly increase the probability that your financial goals will become your financial reality.
Peter Sizeland’s expertise goes beyond simply providing advice—he empowers clients to take control of their financial future with precision and confidence. His ability to transform complex financial landscapes into clear, actionable strategies makes him a true leader in the field. If you’re ready to secure your financial freedom, achieve your financial goals, and ensure a secure retirement, there’s no better partner than Peter Sizeland. Let him guide you on your path to financial success and help you turn your financial dreams into reality.
Mission
Approach
Services

Mortgage Broking

Financial Planning

Priya Ambi
Founder, Director & Principal Broker
With a profound dedication to helping clients achieve their financial dreams, Priya Ambi is the visionary Founder and Director of Casey Finance Group. Leveraging her extensive expertise as a mortgage broker, she has built Casey Finance Group with a commitment to providing personalized, transparent, and innovative mortgage solutions.
Priya holds a Bachelor’s degree in Accounting and Finance and began her career as an accountant. Over the years, she has accumulated 15 years of experience in the financial industry, transitioning to the mortgage sector to better serve clients in realizing the Australian dream of home ownership.
Under Priya’s leadership, Casey Finance Group has grown into a trusted name in mortgage brokerage, known for its integrity, excellence, and client-centric philosophy. Her commitment to fostering strong relationships and delivering exceptional results is at the heart of CFG’s success.
With a profound dedication to helping clients achieve their financial dreams, Priya Ambi is the visionary Founder and Director of Casey Finance Group. Leveraging her extensive expertise as a mortgage broker, she has built Casey Finance Group with a commitment to providing personalized, transparent, and innovative mortgage solutions.
Priya holds a Bachelor’s degree in Accounting and Finance and began her career as an accountant. Over the years, she has accumulated 15 years of experience in the financial industry, transitioning to the mortgage sector to better serve clients in realizing the Australian dream of home ownership.
Under Priya’s leadership, Casey Finance Group has grown into a trusted name in mortgage brokerage, known for its integrity, excellence, and client-centric philosophy. Her commitment to fostering strong relationships and delivering exceptional results is at the heart of CFG’s success.

Kiri Nava
Broker /
Lending Manager
As the Lending Manager at Casey Finance Group, Nava is instrumental in ensuring the seamless execution of our financial processes. He is dedicated to managing and optimizing lending procedures with precision and efficiency at Casey Finance Group.
Nava holds a Bachelor’s degree in Entrepreneurship and Innovation, which has provided him with a strong foundation in strategic thinking and financial management. He is passionate about Finance and has chosen it as his industry, bringing a wealth of knowledge and expertise to his role as Lending Manager at Casey Finance Group.
As the Lending Manager at Casey Finance Group, Nava is instrumental in ensuring the seamless execution of our financial processes. He is dedicated to managing and optimizing lending procedures with precision and efficiency at Casey Finance Group.
Nava holds a Bachelor’s degree in Entrepreneurship and Innovation, which has provided him with a strong foundation in strategic thinking and financial management. He is passionate about Finance and has chosen it as his industry, bringing a wealth of knowledge and expertise to his role as Lending Manager at Casey Finance Group.
Indie Lifestyle

Raj
Hillary
CEO
Canopy
Financial Group
Canopy Financial Group- Canopy Financial Group is committed to securing clients’ financial futures through a relational approach to wealth building. Their tailored offerings for both businesses and clients encompass a wide range of expertise, including Superannuation, Investments, Retirement Planning, Intergenerational Wealth, Personal Insurance, Estate Planning, and Tax Financial Advice. By fostering strong relationships, Canopy Financial Group takes the time to understand each client’s unique goals, providing personalized strategies that empower them to achieve lasting financial success.