At ONE Real Estate we take care in choosing our team. We ensure that the person who you deal with is the best person for the job and that your property is in the care of experts.

Meet our team below:

Karl2 - WebsiteKARL SECONDIS

Position: Director
Phone: 08 8925 5777
Mobile: 0411 869 719

Click to view his professional profile

With more than 17 years’ experience in Darwin’s real estate industry Karl has developed the skills of an elite salesperson.

He is well known as an experienced communicator, skilled negotiator, successful auctioneer and someone that naturally exudes energy and passion. Karl is also renowned for an acute attention to detail.

Experience has taught him that assisting the client to achieve the best possible outcome on the sale of their property is achieved with guidance and understanding.

As both a vendor and a buyer of many properties of his own, Karl knows what it feels like to experience both sides of the transaction. That exposure has helped form One Real Estate’s mission to deliver the ultimate real estate experience.

Professionally, Karl has significant experience in residential sales, property marketing and auctioneering, and was the first agent to sell a residential property over a million dollars in the northern suburbs. (182 Casuarina Drive Nightcliff).

These are just a number of many awards that Karl has won during his career…

> 2013 REINT Auctioneer of the Year
2012 Australasian Auctioneer of the Year Competitor
> 2011 REINT Auctioneer of the Year
> 2011 Australasian Auctioneer of the Year Competitor
> 2007 Australasian Auctioneer of the Year Competitor
> 2006 Australasian Auctioneer of the Year Competitor
> 2005 Australasian Auctioneer of the Year Competitor
> 2005 Ray White High Achiever Award
> 2005 REINT Auctioneer of the Year
> 2004 Australasian Auctioneer of the Year Competitor
> 2004 Ray White Elite Performer
> 2002 REINT Auctioneer of the Year
> 2002 Australasian Auctioneer of the Year Competitor
> 2002 REINT Salesperson of the Year

Joely cropped - websizeJOELY SULLIVAN

Position: Partner
Phone: 08 8925 5712
Mobile: 0467 255 777

Click to view her professional profile

Property Management has been a passion for Joely for almost 15 years, her role in Property Management is now more part of her personality and lifestyle than a job. Joely was excited to be appointed as a partner in the business at One Real Estate in 2010 and has a share holding in the business. She has a strong desire to be an integral part of the growth of the organisation.

Joely’s start in the industry came as a trainee property manager and from there she experienced various roles ranging from general administration to business management of large property management offices. All have added to her love and genuine interest in our dynamic and people focused industry.

Joely constantly strives to find easier and better ways to manage time and efficiency for her team with her strongest motivators being her commitment to have a process driven business.

Joely loves the challenges that every day brings and meeting or speaking to someone new and having the opportunity to help them is what she looks forward to most in her role.


Position: Sales Associate
Phone: 08 8925 5726
Mobile: 0421 037 034

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May started her career in real estate at just 20 years of age. Despite her youth May had the drive and passion that enabled her to sell 7 properties in her first month.

With previous management experience at Domino’s Pizza, May was appointed as the manager of the Raine and Horne franchise in Darwin for a 2 year period before she opened the doors to her own independent agency known as Dunlop & Wright. In 2011 May sold her rent roll and joined the team at One Real Estate as a Sales Associate so that she could focus her time on selling and negotiating.

May provides her clients with a very hands on approach, and injects energy and enthusiasm into every sale.

May specialises in the sale of residential sales and also works closely with a number of local Darwin developers on small to medium scale developments.

These are just a number of awards that May has won during her career…

> 2010 Residential Sales Person of the Year Australia (REIA)
> 2010 Finalist Salesperson of the Year (REINT)
> 2010 Finalist Management Excellence Awards 2010 (NT)
> 2009 REINT Salesperson of the Year
> 2009 Finalist NT Young Achiever of the Year (Career Category)
> 2008 Finalist Salesperson of the Year (REINT)
> 2007 REINT Salesperson of the Year
> 2006 No.1 Residential Salesperson Highest Commission (SA/NT)
> 2006 National Chairpersons Award for Excellence

May’s goal for the future include assisting the growth of the One Real Estate brand and build upon her own personal property investment portfolio. In her recreational time May is a keen soccer placer and enjoys spending time with her friends and being a social butterfly.


Position: Property Manager
Phone: 08 8925 5723
Mobile: 0487 255 777

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Arriving in Darwin just months prior to Cyclone Tracey in 1974, Janine now considers herself very much a Territorian, and is happily settled in Darwin’s rural area with her family and assortment of creatures and comforts.

Janine commenced her career in real estate in 1998 as a receptionist, and qualified as a property manager in 2002. The challenge of establishing and maintaining lasting professional relationships with Tenants, Landlords and Trades has continued to inspire Janine and keep her motivated and enthusiastic in an industry not known for its longevity.

Her own investment in Darwin’s thriving property market inspires Janine to keep a very personal focus on the rental market – constantly on the lookout for trending and opportunity.

Having worked previously with both Joely and Karl, Janine knows what One Real Estates values and service ethics are and is excited to be in an environment where technology is at its optimum and ensuring the most time efficient and practical processes and procedures to be working with.

Janine is looking forward to meeting new faces, taking exceptional care of client’s properties and very excited to come onboard at One Real Estate.




Position: Property Manager
Phone: 08 8925 5723
Mobile: 0487 255 777

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Kelley started her career in Real Estate in Victorian 2004 in an administrative role, however she quickly knew that she wanted to further expand her Real Estate career and overtime has followed this passion into Property Management.

After 7 years in the Melbourne Real Estate industry Kelley has gained experience in a number of different areas, including accounts, administration, leasing, portfolio management as well as a department management role.

After her years in Melbourne, and with her children now grown and independent, Kelley took advantage of the freedom and travelled around Australia for 2 years, finally re-settling in Darwin’s rural area.

Kelley enjoys Darwin’s great laid back lifestyle, however it is still extremely important to her that she continues to provide a high level of customer service to her clients, and keep them well informed of the very strong Darwin rental market, all while being exceptionally professional & enjoying life to its fullest.


Position: Office Administration
Phone: 08 8925 5798

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Jo started her career in Real Estate as a Trainee in Geelong, Victoria and moved back to the Northern Territory to settle into Property Management in Darwin. Jo has previously worked with Joely Sullivan in another local agency and is committed to our clients and providing the level of service. Jo has been an integral part of our growth and has been in Property Management for some 8 years.

Upon return from maternity leave April 2012, Jo has recently decided she wanted a change of pace although wanted to remain with us at One Real Estate. Retaining good staff is very important to us and we were very fortunate to be in a position to make some changes to accommodate an administrational role for Jo. Jo can continue to develop her career by supporting our Property Managers in a way that she knows will be beneficial and will add value to our business.

Jo Griffiths loves an adventure, in fact she is motivated by it. Jo grew up in Katherine for the majority of her childhood and developed a love for the great outdoors. Although now a dedicated mum as well as a busy professional, still enjoys camping, fishing and travelling in her spare time.

Belinda - Cropped - WebsizeBELINDA DI TORO

Position: Assistant to Karl Secondis
Phone: 08 8925 5789

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Born and bred in Darwin, Belinda loves being classed as a ‘territorian’. With a natural flare for social engagements, Belinda has always enjoyed meeting new people and developing great friendships, which is why she enjoys Real Estate so much.

Coming from a European background with an Italian father and a German mother, Belinda was raised with a strong sense of family, an ideology that fits in well within the One Real Estate Team. Weekends are ideally spent with her husband and two young daughter’s enjoying family life.

Belinda started her career in Real Estate in 2007 at as Karl’s Executive Assistant within the franchise that he previously owned, and was one of the first to join Karl at One Real Estate in July 2010.

Since starting with the team at One Real Estate Belinda has had the privilege to grow and learn alongside some of the true industry greats.  She attributes her motivation and determination to being the point of difference from good to great in someone’s day to the inspiration of the team that she works with.



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