Stavros Ambatzidis

Corporate Founder & Director, Auctioneer


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Resourceful people are key part to our culture and success, together we are one family.

As one of Australia’s finest auctioneers, Stavros’ skill and dedication has not only achieved outstanding sales results for our company but garnered him many awards and accolades during his 33-year career. As Corporate Auctioneer of OBrien Real Estate, Stavros draws from his knowledge and years of experience to lead a team of talented and professional Auctioneers. Under his tutelage, OBrien’s Auctioneering team has become one of the company’s most valuable assets and unique selling points. Integrity, Trust, Professionalism and most importantly, an Honest and open dialogue with vendors and buyers alike, are at the core of Stavros’ values. All of these values are now firmly instilled through the entire Auctioneering team at OBrien Real Estate.

Since joining OBrien Real Estate as Co-Director in 2013, Stavros has been instrumental in propelling the growth of the brand into over 30 offices state-wide. He attributes OBrien Real Estate’s success to the dedicated teams of Sales, Property Managers and Administration staff who offer first class service and display excellent corporate identity. Stavros creates a place for people to foster growth by consistently utilising the best Real Estate trainers to improve skills. He has a fierce desire to see his team members succeed and is Enthusiastic about helping them reach their potential. In addition to these Responsibilities, they also extend to Corporate Auction Training, OBrien Auction TV, Public Relations, Recruitment & REIV Representation.

Giving back is in Stavros’ family DNA and he places this culture front and centre to everything he does. This is why in 2018, Stavros became the founding father of the OBrien Real Estate Foundation. Not only was the Foundation a way of honouring his beloved Father but also tirelessly working together to improve the lives of people in our Local Communities but also causes like MND Vic, Isabella & Marcus Foundation, Beyond Blue, Local Hospitals, Backpacks 4 Kids, Heart & Diabetes Institutes, Helping Hoops, Dogs for Kids, Wildlife Vic, CFA Vic, Food Bank, Gippsland Fire Emergency Relief, Red Cross, Meals on Wheels and Carrum Coast Guard Fun Run annually… just to name a few. Since leading the way, Stavros has been influential in raising over $500,000 to these worthwhile causes.

Years in the industry


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Our values and purpose.

Our purpose is to create a place where we can facilitate our people's growth. Our values are:

Our colleagues are our broader family, assist when needed and when in need.

Respect our colleagues and our clients as you would like to be respected.

Unlock your full potential, encourage and support your colleagues.

Strive for excellence; be open-minded and willing to embrace change.

Work towards being well balanced within yourself.

The OBrien difference.

43 offices with 1 in Cairns in Qld.

275 in sales & 99 in property management.

Over 30,000 sales since founded in 2010.

Our average clearance rate in 2023 is 85.8%.

Homes is $935,049 and Units is $612,906.

Industry leading results, with an average of 28 days.

Industry benchmark results with 1% vacancy.

We manage and serve over 16,000 properties.

Across our network we speak 36 different Languages.

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