Meet the Team.
A dedicated team bringing together experience in property development, construction and investment.
Paul Bieg
FOUNDER | DUPLEX INVEST
With over 25 years of experience across property development, construction and finance, Paul Bieg brings a wealth of industry knowledge and commercial expertise to DUPLEX INVEST.
Having established himself as one of Australia’s leading mortgage brokers earlier in his career, Paul developed an extensive understanding of property finance, investment structures and the financial considerations behind successful developments. This foundation, combined with decades of hands-on development experience, gives him a comprehensive perspective on the property industry.
Throughout his career, Paul has been involved in hundreds of property development projects, representing close to $1 billion in completed project value. His experience extends across the entire development process, from identifying suitable sites and assessing feasibility through to design, finance, approvals and construction.
As Founder of DUPLEX INVEST, Paul remains closely involved in the business, working alongside clients, consultants, builders and his team to identify quality opportunities and deliver commercially sound developments.
For Paul, success is measured not only by the projects completed, but also by the relationships built along the way. The trust of returning clients and those who recommend DUPLEX INVEST to family and friends reflects the approach he has maintained throughout his career.
The people behind DUPLEX INVEST.
Tanya Starkey
BUSINESS DEVELOPMENT & MARKETING
With a Bachelor’s degree in Business Economics and a Real Estate Agent license, Tanya brings a strong foundation in financial analysis, strategic planning and the property industry to DUPLEX INVEST.
Her career includes working as a Business Analyst, where she developed a keen understanding of financial performance, organisational operations and complex decision-making. She is also the founder of her own Real Estate company, bringing an entrepreneurial perspective shaped by firsthand experience.
At DUPLEX INVEST, Tanya contributes to the company’s marketing direction, brand positioning and client engagement. Known for her attention to detail, sound judgement and natural ability to connect with people, she combines a sharp business mind with a personable and considered approach.
Ed Sullivan
LAND ACQUISITIONS MANAGER
Ed brings over 35 years of property industry experience to DUPLEX INVEST, with a background spanning residential, commercial, industrial, retail and tourism developments across Australia’s east coast.
Throughout his career, Ed has worked across property acquisitions, development, sales, leasing and asset management, gaining a broad understanding of the property lifecycle, from initial site acquisition through to project completion and ongoing management.
At DUPLEX INVEST, Ed focuses on sourcing and securing suitable land for future DUPLEX developments across Queensland and New South Wales. His knowledge of the industry and practical understanding of site selection contribute to identifying opportunities with strong development potential for the company’s clients.
Peter Bieg
PROJECT SALES CONSULTANT
With over 50 years of experience in financial services, Peter brings extensive knowledge of finance, lending and property investment to DUPLEX INVEST. His career includes 30 years with AMP, where he held senior executive positions in Sydney across management, financial planning and operations.
Following his time with AMP, Peter transitioned into mortgage broking, initially managing a sales team before establishing his own practice specialising in residential and investment property finance. He successfully operated the business for 15 years while building his own property investment portfolio, gaining firsthand insight into the financial considerations involved in property ownership.
At DUPLEX INVEST, Peter draws on his background in finance and investment to help clients understand available DUPLEX development opportunities. His approach combines practical financial knowledge with clear communication, supporting clients as they explore projects suited to their investment objectives.
Rohan Birmingham
PROJECT SALES CONSULTANT
With more than 20 years of experience in the property industry, Rohan has a background spanning residential Real Estate, construction and property investment. A builder by trade, he holds a degree in Business and is a licensed Real Estate Agent.
His career has included property market research, evaluating residential investment opportunities and assisting clients throughout their property journey. This combination of experience provides Rohan with an understanding of market conditions, construction considerations and the factors influencing investment decisions.
At DUPLEX INVEST, Rohan works with prospective clients to explore available DUPLEX developments, explain project details and assist with enquiries. His approach centres on clear communication, practical advice and helping clients make well-informed property decisions.
Explore Our Projects.
Discover carefully selected DUPLEX development opportunities and
see what DUPLEX INVEST is working on next.