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Mark Gergis Senior Commercial Buyer's Advocate


 

 

 

With more than 20 years of industry experience, a Bachelor of Commerce in Property Economics, and a Master’s in Property Development, Mark Gergis brings both technical expertise and commercial insight to his role as Senior Commercial Buyer’s Advocate. His career began as a certified valuer, where he gained extensive experience in prestige residential, commercial, and specialised valuations—skills that continue to underpin his analytical and strategic approach today.

 

Contact Mark 0401 713 529 | mark@propertybuyer.com.au

 




 

 

Mark’s reputation has been forged through his work across Sydney’s key markets, where his assertive yet respectful style, strong work ethic, and high attention to detail have consistently delivered results for his clients. He has particular expertise in industrial property, childcare assets, and complex lease structures, areas where his deep due diligence and uncompromising commitment to quality set him apart.

Commercial clients value Mark’s ability to identify opportunities others might overlook, mitigate risk, and craft tailored strategies that align with business goals. His articulate communication style and negotiation expertise give investors, landlords, and corporate tenants the confidence that their interests are fully protected.

Colleagues and clients alike describe Mark as loyal, trustworthy, and a true team player. Affable and approachable, he builds strong, long-term relationships by going above and beyond for every client. His integrity and dedication ensure that each transaction is not only successful but also an enjoyable and rewarding experience.

Based in Sydney’s Inner West, Mark balances his professional life with an active lifestyle. He enjoys travelling, fishing, and spending quality time with family and friends, pursuits that reflect his grounded character and approachable nature.

 

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The Propertybuyer
Podcast

 
Fri 29 Aug '25
with Rich Harvey Queensland Current Property Dynamics
 
 
Fri 15 Aug '25
with Rich Harvey Cracking the Code on Property Supply
 
 
Fri 1 Aug '25
with Rich Harvey Property Finance Strategies that Work
 
 
Fri 18 Jul '25
with Rich Harvey How to Finance your Way to Wealth – A Personal Journey
 
 
Mon 7 Jul '25
with Rich Harvey Forecast or Fiction? Where is Australia’s Property Market Is Really Headed
 
 
Mon 16 Jun '25
with Rich Harvey Eastern suburbs decoded
 

 

Listen to many more
podcasts on our
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Zero to Nine Properties in 5 Years – How to Build a Sustainable Property Portfolio

In this episode of the Propertybuyer Podcast, Rich Harvey welcomes Jono Roy, Buyers Agent and Investment Specialist at Propertybuyer, to explore the realities of building a sustainable and scalable property portfolio. Many Australians dream of owning multiple investment properties, creating long-term wealth, and enjoying a life of financial freedom. But what does it actually take to grow from zero to nine properties in just five years? And how can everyday investors navigate the risks and opportunities of an ever-changing market? Jono brings a wealth of experience to the conversation, with a personal portfolio of nine investment properties valued at $4.5 million and an impressive track record of successful property flips, including a $155K profit on a single project. As the former Head of Research at one of Australia’s leading buyer’s agencies, he played an instrumental role in overseeing the purchase of over 1,000 properties in just three and a half years, making him a trusted expert in building high-performing portfolios. In this episode, Jono shares his journey from first-time investor to seasoned strategist, offering valuable insights into the mindset and methods that helped him scale his portfolio so rapidly. Rich and Jono unpack the investment philosophies that work in today’s market, how to overcome fear and uncertainty in big decision-making moments, and the strategies Jono uses to identify high-potential deals across Australia. They dive deep into topics such as property selection, market diversification, leveraging equity effectively, and the importance of ongoing education to stay ahead of market trends. Jono also shares lessons learned from his biggest mistakes, and offers practical advice for investors at all stages of their journey—from those just starting out to those looking to expand their portfolio. Beyond the numbers, this episode explores the personal and professional growth that comes with serious property investing, and how to build resilience in the face of challenges. Whether you’re an aspiring investor aiming for your first property or an experienced buyer looking to scale up, this conversation is packed with actionable strategies to help you succeed. Tune in to Podcast 91 for expert guidance, real-world experiences, and a clear roadmap to building a sustainable property portfolio. Don’t forget to subscribe and share this episode with anyone looking to make smarter property decisions in today’s market.