- Granger Clark Professionals Marangaroo. is a contributing author in my book Real Estate Agents What You Need To Know Now! As a long-term top performer with over $100 million in real estate sales. Matt started in his career in Perth, Western Australia, in 2000. He is a licensee and Director at Professionals Granger Clark, one of the Professionals Group top-performing offices, and his experience and knowledge base are extensive. I asked Matt to be a contributing author in this book as a long-term top performer with over $100 million in real estate sales. Matt started in his career in Perth, Western Australia, in 2000. He is a licensee and Director at Professionals Granger Clark, one of the Professionals Group top-performing offices, and his experience and knowledge base are extensive. Also don’t forget to - Claim your free copy of the paperback – Real Estate Agents What You Need To Know Now! or buy the e-book on Amazon,