Our Team
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Annabelle Webb has over 18 years of experience in the Sydney residential property market. Raised in Wahroonga and now based in Mosman, with family roots in Double Bay, Annabelle's expertise spans the North Shore, Eastern Suburbs and Inner City.
As the Principal & Founder of Webb & Gleeson Buyer's Agency, Annabelle is respected as one of the city's top buying professionals, with an unwavering attention to detail, customer service, and long-standing relationships that have been the foundation of her success as a leading Buyer's Agent.
At the heart of everything Annabelle does is an obsession with providing an excellent client experience. She is relentlessly focused on perfecting every touchpoint of the buyer journey. Every decision made within the business, from strategy to service, is shaped around one question: what do our buyers truly want and need? It's this client-first philosophy that drives the firm's reputation, with clients consistently praising Annabelle's devotion and determination to secure the best possible outcome.
Annabelle has successfully purchased hundreds of millions of dollars worth of residential property for her clients, including multiple $15m+ and $20m+ residences.
Under Annabelle's leadership, Webb & Gleeson combines integrity, professionalism and genuine passion with an unapologetic commitment to doing right by every client, helping them purchase exceptional property with confidence.
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A Lower North Shore resident of over 20 years, Founder & Director William (Billy) Gleeson is an award-winning buyers agent and considered one of Sydney’s pre-eminent and most respected buying professionals.
Prior to joining the industry, Billy consulted for major global brands in marketing, media, and the not-for-profit industries, and holds a double degree in Commerce & Arts from the University of Sydney & Kings College London.
With more than 6 years experience in the Sydney real estate market, Billy has facilitated the purchase of some of the region’s most prestigious homes, including a $20m estate in Hunters Hill and $17.4m architectural residence in Mosman.
In 2026, Billy was awards the top Luxury and Prestige Buyers Agent in Australia at the inaugural Australian Buyers Agents Awards.
Billy has unrivalled access to Off Market homes across Sydney, and is a skilled property negotiator - having facilitated the purchase of hundreds of millions worth of residential real estate in the city. Billy is empathetic, professional, and driven, with a foundation of compassion, integrity, and authenticity, making him a true leader of one of Sydney’s most trusted buyers agencies.
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With more than eight years of experience in residential acquisitions and over $300 million in successfully negotiated purchases, Daniel brings a calm, strategic and data-driven approach to the buying process. Holding a Bachelor of Property Economics, he combines strong analytical capability with a clear understanding of how value, lifestyle and location shape the right purchase.
Daniel works closely with both owner-occupiers and investors, offering clear guidance, objective comparisons and tailored strategies designed to secure the right property at the right price. Known for his meticulous preparation, measured approach and strength in negotiation, he provides clients with confidence and clarity at every stage of their journey.
He has a genuine appreciation for Sydney’s architectural diversity, lifestyle driven neighbourhoods and the distinct considerations that matter across prestige, city-fringe and established suburban markets. Daniel’s strong eye for quality, commitment to service and genuine care for client outcomes underpin a buying experience that is thorough, personalised and well supported from the first meeting to settlement.