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Christina brings a wealth of experience to the real estate industry, having successfully navigated various sectors, including Business Management, Clinical Psychology, and Social Work within both public and private organizations.

Her diverse background equips her with the skills necessary to thrive in high-pressure, fast-paced environments.  With over seven years of experience in property management, Christina possesses in-depth knowledge of the real estate market.

She genuinely listens to her clients, understanding their needs and priorities, and is committed to delivering an exceptional level of customer service. Her dedication to client satisfaction and ethical practices sets her apart as a reliable partner in managing your property investments.

As a driven and focused professional, Christina is passionate about achieving results and fostering positive relationships with both landlords and tenants. 

Her friendly personality and life experiences enable her to connect with people on a personal level, which is key to building successful working relationships.

Having been a homeowner, landlord, and tenant herself, Christina has acquired invaluable insights into the real estate landscape that extend beyond formal training.

She is ready to listen to your goals and ensure your property investment achieves the best possible return.

For a professional property management experience grounded in integrity and excellence, contact Christina today to discuss how she can assist you in maximizing your investment.

Christina brings a wealth of experience to the real estate industry, having successfully navigated various sectors, including Business Management, Clinical Psychology, and Social Work within both public and private organizations.

Her diverse background equips her with the skills necessary to thrive in high-pressure, fast-paced environments.  With over seven years of experience in property management, Christina possesses in-depth knowledge of the real estate market.

She genuinely listens to her clients, understanding their needs and priorities, and is committed to delivering an exceptional level of customer service. Her dedication to client satisfaction and ethical practices sets her apart as a reliable partner in managing your property investments.

As a driven and focused professional, Christina is passionate about achieving results and fostering positive relationships with both landlords and tenants. 

Her friendly personality and life experiences enable her to connect with people on a personal level, which is key to building successful working relationships.

Having been a homeowner, landlord, and tenant herself, Christina has acquired invaluable insights into the real estate landscape that extend beyond formal training.

She is ready to listen to your goals and ensure your property investment achieves the best possible return.

For a professional property management experience grounded in integrity and excellence, contact Christina today to discuss how she can assist you in maximizing your investment.

Professional, results focused, highly motivated and experienced negotiator are just a few phrases that clients mention when discussing Dave and his sales and leasing results since entering the real estate industry in 2008.  

With extensive experience in the real estate industry spanning across residential, development off the plan sales and commercial sales and leasing you can relax and trust Dave has the knowledge and experience to facilitate a smooth property transaction be it sales or leasing.  

With an unparalleled track record in real estate sales, Dave has sold millions of dollars worth of property in the Pilbara and has been awarded the prestigious REIWA Master and REIWA Grandmaster sales awards which few manage to achieve in their real estate careers.  

Dave has gathered experience not only in Perth but the Pilbara markets of Karratha, Port Hedland and Newman having worked and lived in each of those locations. There is no doubt the Pilbara is a special part of West Australia but does have some unique real estate challenges and working with an agent with extensive Pilbara experience is a must!  

Dave now brings his high energy work ethic to the Karratha Commercial Sales and Leasing market offering a new level of service in this market. When it comes to selling or leasing your commercial asset you can be assured Dave is totally committed and focused on achieving fantastic results for his clients.

Read Dave's latest Market Reports: 

Karratha Market Report 2025

Chloe has been a part of the Realmark team for over 2 years now, working alongside Christina Kosteska in property management.  

With experience in all thing's property management, Chloe is passionate about creating positive living experiences for tenants while maintaining strong communication with property owners.

She also has a gift for developing and maintaining fantastic relationships with owners and tenants alike.  

A Falcon local, Chloe spends a lot of time gardening and is a self-proclaimed lawn fanatic. She is a homebody, and if you're lucky, you might catch her down at Falcon Bay with her Rottweiler, Karma.

Darcy specialises in helping clients navigate the unique world of urban living including strata title properties with clarity, confidence, and ease. 

With years of experience in residential sales, Darcy knows how to break down complex situations, regulations, and processes into something simple and manageable. Whether you're selling your first apartment or a strata-titled townhouse, realising an investment or selling your family's home, he guides you every step of the way from preparation to settlement. 

Living in Subiaco and based out of the Leederville office, Darcy is deeply immersed in the vibrant, urban lifestyle his clients are looking for. He doesn’t just sell the city, he lives it. From villas to low-maintenance townhouses and apartments, Darcy understands the appeal of smart design, walkability, convenience, and a sense of community. He knows how to highlight the lifestyle benefits that matter most to urban buyers and how to market those features effectively. 

Clients value Darcy’s calm, down-to-earth nature, his work ethic, and his ability to translate complex information into practical advice. He takes the time to listen and tailor his approach to each individual. 

Brett Philp is a fully licensed Real Estate Agent with over 35 years experience in the real estate industry encompassing all aspects of the industry from residential and industrial sales to commercial and residential leasing. This expansive knowledge provides Realmark Pilbara's Newman office with the strong leadership required for today’s changing marketplace.

For the last 14 years, Brett, has been a proven market leader in the Pilbara. In addition to his vast experience, Brett brings with him a very client focused work ethic and highly developed negotiation skills. Honed in the extremely competitive Gold Coast real estate market, taught Brett to think outside the box, to arrive at successful conclusions to negotiations.

With these skills Brett has been able to achieve between approximately 65 to 70% of all residential sales that have taken place in Newman since his arrival in Newman in April 2015. Without a doubt, Brett is the Market Leader for Newman and Tom Price residential property sales and leasing.

Michael joins the Realmark Industrial team as a Commercial Sales and Leasing C and Property and Real Estate with a Finance major at Deakin University in Melbourne.  

Straight out of university, he spent 3.5 years completing a variety of transactions in Industrial Real Estate with Rutherfords in Melbourne, ranging from 100-5000m2.  

Boasting a drive to suconsultant with a breadth of experience in the property industry and a dedication to his craft.  

Before beginning his career in Perth, Michael completed a double degree in Commerceceed and a commitment to delivering the best service to his clients, Michael enjoys seeing people live out their dreams, upscale operations and grow their organisations.  

Additionally, creating a positive first impression and creating customers and relationships for life.

In his down time, Michael loves everything sport related and hanging out with his mates.

Rob’s experience has developed from his tenure in senior management roles for national retailers, managing large teams across multiple states.

To significant time in transaction based roles in Brisbane’s growing northern industrial corridor, and as a tenant representative, securing deals with institutional-based landlords on behalf of some national retailers.

This diverse range of experience gives him a clear understanding of strategic planning, business development, sales growth, and logistics that are all unique to the WA market, as well as a wide national network to leverage from.

Rob prides himself on providing his clients with expert advice, backed by data-driven information to ultimately ensure his clients can make educated decisions on their property portfolio. Rob has great skills in commercial negotiation and client service, and is committed to working alongside owners throughout the sales and leasing process to exceed their expectations.

Rob has also spent time living in Sydney, Brisbane and the US, and in his travels has developed the skills to build strong professional relationships with a wide network across the country.