ITHINK PROPERTY AUSTRALIA - Key Persons


Ben Walker

Job Titles:
  • Member of the ITHINK TEAM
  • Member of the TOOWOOMBA ITHINK PROPERTY TEAM
  • Principal
iThink Property's Principal, Ben Walker, a former NRL player and coach of the Ipswich Jets has built a successful real estate agency based on the fundamental ideals and principles used in professional sport. Teamwork, respect, commitment, and hard work. Today the iThink team are some of the most trusted and successful Real Estate Agents and Property Managers in Ipswich and Toowoomba. Don't be fooled by Mark's calm demeanour, he is one of the most highly motivated, energetic and tireless members of the iThink Property team. If he's not meeting with clients all hours of the day and night, you might find this sports nut on the local golf course or touch field. Going above and beyond for his clients is all part of Mark's service, professionalism and commitment to success. One of the best networkers in the team, Jackson loves meeting new people and goes out of his way to make genuine connections, whether it's at the local coffee shop or welcoming new clients into the business. He has hit the ground running as a successful Business Development Manager. When he's not at work Jacko can be found on the local footy field or golf course.

Brodi Liston

Job Titles:
  • Sales Associate - Toowoomba
  • Sales Associate to Ben Walker
Built on the foundations of exceptional service, dedicated communication and innovative solutions, Brodi is highly motivated to achieve premium results for each and every client. With an undying desire to succeed, a strong work ethic, and a willingness to learn the ins and outs, Brodi is a a true team player who wants the best for you and your property.

Brooke Antoniolli

Fun loving, full of energy, and ultra-organised is the best way to describe our pocket rocket Brooke. Brooke has set the benchmark high. She has taken our customer experience to new heights, continually willing to go above and beyond for our clients. With aspirations to build her own property empire one day, she is certainly thriving in her sales role.

Chloe Liston

Job Titles:
  • Sales Associate to Ben Walker
Chloe is highly motivated, energetic and always up for a challenge. Stepping out of her comfort zone, Chloe is relishing the opportunity to improve her professional skills in her first full time job since completing high school. A team player with a positive attitude, Chloe is always willing to lend a hand. To sum up Laura in a few words, it would be these… life of the party! Laura loves to make people laugh & ensures the office is always fun. Highly skilled in trust accounting, Laura also shines her vibrant personality on our tenants as our super star leasing consultant. Laura is genuine in her dealings with everyone she meets and will always go above and beyond to help her own team and clients. Born and bred in the country, Ricky is one of the most genuine and down-to-earth agents you'll ever meet. With almost 20 years of sales experience, she is highly regarded in the industry as a rural selling specialist with an uncanny knack for bringing buyers and sellers together for amazing results.

Jackson Walker

Job Titles:
  • Business Development Manager

Joshua Kerr


Kylie Walker

Job Titles:
  • Director / Owner - Property Management
One of the best networkers in the team, Jackson loves meeting new people and goes out of his way to make genuine connections, whether it's at the local coffee shop or welcoming new clients into the business. He has hit the ground running as a successful Business Development Manager. When he's not at work Jacko can be found on the local footy field or golf course.

Laura Harrigan

Job Titles:
  • Accounts & Leasing Consultant
  • Leasing Consultant - Ipswich & Toowoomba
Born and bred in the country, Ricky is one of the most genuine and down-to-earth agents you'll ever meet. With almost 20 years of sales experience, she is highly regarded in the industry as a rural selling specialist with an uncanny knack for bringing buyers and sellers together for amazing results. Not only does Maree have a desire to help others, but she also has the experience and skillset to back it up. An exceptional communicator, keen attention to detail and enviable time management skills. Maree manages her busy role and large portfolio of clients seamlessly. Her no nonsense approach and practical problem-solving skills have earned her the respect of her clients and peers alike.

Mark Costello

Job Titles:
  • Sales & Marketing Consultant
  • Sales & Marketing Consultant - Toowoomba
Natural negotiating skills, Emason joins our sales team as our Saled Admin. With great people skills and a passion to grow, Emason has found real estate to be the perfect fit. Seamlessly fitting into the iThink office, Emason has a strong work ethic and great organisational skills. Emason is happy to help out wherever she can and loves the iThink team environment.

Meet Crystal Liston

Job Titles:
  • Property Manager
  • Property Manager - Ipswich
Not only does Maree have a desire to help others, but she also has the experience and skillset to back it up. An exceptional communicator, keen attention to detail and enviable time management skills. Maree manages her busy role and large portfolio of clients seamlessly. Her no nonsense approach and practical problem-solving skills have earned her the respect of her clients and peers alike. Meet Crystal Liston, a dedicated Property Manager at iThink Property. Driven and diligent, Crystals commitment to her clients is unwavering. She thrives on problem-solving and consistently goes the extra mile to ensure seamless property management. To sum up Laura in a few words, it would be these… life of the party! Laura loves to make people laugh & ensures the office is always fun. Highly skilled in trust accounting, Laura also shines her vibrant personality on our tenants as our super star leasing consultant. Laura is genuine in her dealings with everyone she meets and will always go above and beyond to help her own team and clients.

Paige Thompson

Job Titles:
  • Receptionist
Meet Paige, the welcoming force behind iThink Property, Ipswich. As the first point of contact, Paige effortlessly combines her warm demeanour with impeccable organisational skills to create a seamless experience for clients and visitors alike. Juggling phone calls, scheduling appointments, and managing inquiries, she ensures that every interaction leaves a lasting positive impression.

Ricky Harper

Job Titles:
  • Sales and Marketing Consultant

Sandra O'Kelly

Job Titles:
  • Head of Property Management - Toowoomba & Ipswich
With 36 years of agency ownership, I bring expertise in property management spanning Brisbane and Toowoomba. I focus on personalised, transparent client relationships, ensuring exceptional experiences for property owners and tenants. Join Sandra for successful property management.

Shona Colvin

Job Titles:
  • Accounts Manager
With an amazing attention to detail and a willingness to go above and beyond, Shona is a welcome addition to the iThink Property team. Hardworking and diligent, she has spent most of her working life balancing five kids and the challenges of senior administration roles in large companies. When not balancing the books, or mapping out spreadsheets, Shona enjoys spending time with her family and friends. she is looking forward to exceeding our client's needs with her compassionate and kind heart. Super star Josh is one of the most popular team members! He loves to play jokes and scare everyone as they come back from the bathroom. His favourite iThink team member is definitely Jackson (except when Brooke is around!). He loves coming to work for the social aspect and it gets him out of the house. We call him ‘The Boss' when Ben isn't here and he absolutely loves that.