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With over 15 years of experience buying and selling properties along the north coast, Mandie brings a wealth of knowledge and expertise to the table. But what truly sets her apart is her unwavering commitment to her clients' success. Mandie doesn't just facilitate transactions; she invests herself wholeheartedly in ensuring that her clients achieve their goals. Her remarkable ability to simplify complex concepts ensures that clients feel informed and empowered every step of the way. Mandie's professionalism isn't just a quality; it's her defining characteristic, distinguishing her in the competitive real estate landscape. With Mandie at the helm, navigating the real estate market becomes not just manageable, but truly exceptional.

“Mandie is the ultimate professional. this is my second experience with Mandie and the experience was even more amazing. Her attention to detail and ability to impart her knowledge of the market helped us get the sale price I wanted. Her transparency and honesty paired with her professional manner gains trust, and you know that she works above and beyond to get your house sold. Thank you for explaining everything in terms I understood, your knowledge of the market and professional manner was exceptional!” Vicki

“Mandie’s market knowledge was exceptional. Mandie kept us updated throughout the entire process and delivered exceptional results making selling our home a seamless experience. Mandie worked hard with us to achieve the best possible sales result. She guided us all the way from getting out property ready for the market to its quick, painless sale we would highly recommend Mandie and will certainly be using her again best agent we have ever worked with” David and Alice

Dave Seah was born in Singapore and came to WA in 2011 where he graduated from UWA with a Commerce Degree in Accounting & Finance. He was introduced into Real estate in 2012 and joined the Realmark North Coastal team in 2018 with over 5 years’ experience in the industry.
He specialises in Greenwood, Warwick and surrounds where his hard work and dedication has made him a local favourite. You can find him every Wednesday between 9.30am and 10.30am at 5 Points Cafe in Greenwood. Drop by to say hi for a free coffee and a chat about your real estate needs.

With 20 years of sales and real estate experience, Michelle Ralph brings deep expertise to Realmark’s Western Suburbs team. For the past 13 years, Michelle has dedicated her career to Perth’s beautiful western suburbs, a community she is proud to also call home.  

Michelle’s career journey includes roles as Licensee & General Manager at respected agencies in Cottesloe and Subiaco. Her background spans residential, commercial, and off-the-plan sales, as well as property management, build-to-rent, and the successful navigation of real estate company mergers and rent role acquisitions. As a triennial licence holder and lifelong learner, she is passionate about continual growth, delivering genuine value to her clients and inspiring excellence within her team.  

In 2019, Michelle founded WOMAN UP, a mentoring community created to support and empower professional women. Through WOMAN UP, Michelle champions leadership, collaboration, and personal empowerment, helping women step into their full potential with confidence.  

Michelle’s professional approach is grounded in genuine partnership, positivity, and care. She believes in no gimmicks, just clarity, kindness, and integrity in every interaction, delivering outcomes that truly matter for her clients. 

With over three decades of experience across real estate, property development, strategic marketing, television production, tourism, fashion, and community engagement, Bridget brings a rare combination of creativity, strategy, and authenticity to real estate understanding both lifestyle, marketing and the process of real estate transactions.  

Her career began in television production and advertising, working with leading agencies, political campaigns, and entertainment companies like Grundy Productions, honing her storytelling and marketing skills and delivering high-impact campaigns in fast-paced, high-stakes environments.  She went on to hold senior marketing roles in tourism, fashion, and lifestyle brands, before moving into real estate marketing. 

Bridget draws on her extensive marketing expertise, industry knowledge, and local insight to help sellers achieve exceptional results. From creating standout campaigns to highlighting the unique lifestyle a property offers, she brings a strategic, polished approach that attracts the right buyers and maximises value.

Whether it’s a family home, a luxury property, or a unique lifestyle listing, Bridget approaches every sale with warmth, integrity, and unwavering dedication to ensuring each property’s story is told in a way that delivers the best possible outcome. 

With a mantra of ‘Moving You Forward’, Sean is passionate about working together with people to achieve the very best outcomes in all areas of real estate. With 18 years of experience in Perth’s real estate market, he places a strong emphasis on honest, professional service. The synergy of a supportive team at Realmark together with open, transparent communication backed by solid market evidence provide his clients with the peace of mind that their property is in the right hands.

Originally from South Africa, Sean has called Perth home since 1999. After achieving a Bachelor’s Degree in Economics and Marketing, he travelled extensively though Africa and the United States.
With a background in small business and the film industry, Sean brings a diversity of experience and skill to the real estate arena.
Sean loves the outdoors and action sports including ocean paddling and competitive sailing. He lives in Karrinyup with his wife and two children.
‘My service to you will be second to none : Honest, reliable & professional’

Miles is a passionate sales consultant who has been helping people buy and sell homes in Mount Hawthorn and the surrounding areas since 2014.  Specializing in high-quality homes, Miles is known for his expertise in the Set Date Sale method, ensuring sellers achieve the best possible price through a clear process and strong negotiation tactics.  

His dedication to always acting in the best interest of the seller is at the heart of everything he does, and it’s what drives his exceptional results.  Living in Mount Hawthorn himself, Miles has a genuine love for the area and a deep understanding of the local market.  

His connection to the community goes beyond real estate, actively sponsoring and supporting local events at Mount Hawthorn Primary School.  One of the highlights of Miles’ community involvement is his annual Mount Hawthorn Halloween fundraiser.

This much-loved event, organized and funded by Miles, raises money for the Starlight Children’s Foundation, bringing the community together for a good cause.  For Miles, real estate has never been about property—but rather people.

Since 1993, he has been actively involved in the Real Estate industry, following in the footsteps of his family who have been in the business since 1973.In 2018, he joined Realmark Commercial after owning and running Giles Jones First National Real Estate.

This move allowed his to focus solely on Commercial and Industrial Real Estate, a passion of hiss. Prior to his Real Estate career, he travelled around Australia, holding a variety of jobs in different industries.These real-life experiences have provided his with valuable knowledge and skills that he applies to his work today.

With extensive experience across all areas of Real Estate, including Residential Sales and Auctions, he has facilitated large subdivisional sales, such as the sale of 110 lots in Stratton and 44 lots in Swan View for the Department of Housing.

However, his true passion lies in Commercial and Industrial Sales and Leasing, particularly in the Midland and Eastern regions of Perth.He is always happy to share his knowledge and assist clients and othiss seeking advice. 

Throughout his career, he has been actively involved in various community groups, including serving as Chair of the Swan Chamber of Commerce Planning Committee and holding positions on the Board of Directors of First National Australia and the Darlington Sports and Recreation Association.

These roles have provided his with valuable life experiences that help in business and transaction negotiations. Since selling his business, he has been able to focus solely on his specialty in Commercial and Industrial Real Estate.He enjoys taking an overall approach to looking after numerous clients in an ever-changing market and developing a plan that not only benefits their property today but also complements their life's journey.

With over a decade of experience in the commercial real estate industry, Alex has firmly established himself as a trusted and reliable professional since embarking on his journey in July 2012.

He commenced his career as a Commercial & Industrial Property Sales and Leasing Consultant at a local Midland real estate agency, where his dedication to service excellence and unwavering commitment to customer satisfaction quickly earned him a strong reputation.  

In 2018, Alex joined Realmark Commercial as a Commercial Sales & Leasing consultant. Focused on the Perth East-Metro and surrounding industrial areas, having grown up in the Perth Hills himself, he has a genuine passion for supporting local businesses and investors in achieving their goals.  

Throughout his professional journey, Alex has continuously honed his skills in negotiation, property marketing, and effective communication. With an unwavering dedication to delivering the highest standard of service, he ensures that every interaction and transaction is handled with professionalism and care.  

Alex has climbed the ranks at Realmark Commercial and now holds the position of Senior Sales and Leasing Associate. One of Alex's greatest strengths lies in his intimate understanding of the local real estate landscape.

Through years of experience and a keen awareness of the key factors influencing decision-making processes, he offers invaluable insights that empower his clients to make informed and strategic real estate choices.  

Beyond his professional achievements, Alex is driven by a larger mission: to reshape the public perception of the real estate industry.

As a member of the new generation of real estate professionals, he is dedicated to promoting transparency, ethics, and trustworthiness.

By upholding these values in every interaction and transaction, Alex seeks to elevate the industry's standards and foster stronger relationships with his clients.  

With his extensive industry experience, passion for property, and local expertise, Alex stands as the ideal partner to confidently navigate your real estate needs.

With Alex by your side, you can embark on your real estate journey with confidence, knowing that you have a trusted advisor who will champion your interests and deliver exceptional results each step of the way.  

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.

Greg is a Geraldton local, born and raised, with an in-depth understanding of the area, its lifestyle, and its property market. Having lived in Perth and Sydney before returning home, he brings a broad perspective combined with strong local insight, a powerful advantage for buyers and sellers alike.  

With a career built in sales, Greg is highly skilled in negotiation, communication, and achieving results. He understands that every property and every client is different, and he takes a strategic, client-focused approach to ensure the best possible outcome.  

Greg’s genuine passion for the Geraldton lifestyle, from its world-class beaches to the iconic Abrolhos Islands, allows him to confidently promote the region and connect buyers with the opportunities it offers. Outside of work, he enjoys cooking, spending time with his wife Jess and their small dogs, and getting out to the Abrolhos whenever possible.