OUR BOARD AND OUR PEOPLE |
TMAA’s Management Committee (a.k.a. National Board)
  John CasselTMAA President and QLD Board MemberLeveraging 30 years of construction experience, John Cassel was appointed General Manager of the Acquired Awareness group in 2020. A dedicated advocate for the Traffic Management industry for over a decade, John's passion translates into action. He has served as the Vice Chair of TMAA QLD since 2019. As President of TMAA, John provides strategic direction to ensure the association achieves its long-term goals. John is TMAA's President, our QLD Board member and the Vice Chair of our QLD State Division. Ph: 0400 012 056 |
Stuart WickensTMAA VIC Board MemberStuart Wickens is a highly experienced and results-oriented leader, currently serving as the General Manager at Go Traffic. With a deep understanding of the traffic management industry, Stuart has a proven track record of success in leading and managing complex operations. He is a strategic thinker with the ability to develop and execute plans that achieve significant results. Known for building and motivating high-performing teams, Stuart is passionate about traffic management and is committed to delivering the highest quality services and solutions to customers. Stuart became Vice Chair of the Victorian division of TMAA in June 2023 and Chair in July 2024. Email: swickens@gotraffic.com.au |
Our People
Belinda DyerNational Accounts OfficerBelinda joined the TMAA team in 2024 as our National Accounts Officer. With over 10 years of experience as a qualified Bookkeeper and BAS Agent, Belinda brings a wealth of accounting and finance knowledge to her role. She has held corporate positions at organisations like PricewaterhouseCoopers, where she gained experience in events, marketing, human resources, and office management.
Most recently, Belinda served as the Executive Officer and Member Support lead for the Australia Indonesia Business Council. At TMAA, she oversees all aspects of accounting and finance operations. Her well-rounded background and expertise inform her work to support the association's growth and success. Ph: 0493 534 282 | 
Thomas MorrissyAdvocacy and Policy StrategistThomas joined the TMAA in 2024 as Advocacy and Policy Strategist, bringing expertise and experience from government and consulting. Most recently, Thomas supported government relations activities on behalf of a range of clients across various industry sectors. Thomas has experience working for a Federal Member of Parliament and Assistant Minister. In this role, he was responsible for research and stakeholder engagement, which involved extensive understanding and effective communication of government policy and was responsible as the primary intermediary between constituents and various government agencies. Thomas has also worked on two Federal Election campaigns and brings in-depth advocacy experience to advocate on the association’s behalf. Ph: 0436 109 349 |
 Rebecca BullockMembership Engagement CoordinatorRebecca joined the TMAA team in 2024 as Membership Engagement Coordinator. Rebecca brings 20 years of experience in stakeholder communication and event and business management. For the past two years, Rebecca has worked as a Program Coordinator for the not-for-profit Road Safety Education Ltd. This ignited her passion for road safety and the not-for-profit sector. Currently completing her Master of Business (Marketing) and undertaking dissertation research into drink-driving advertising for young regional Australians, Rebecca has a keen interest in road safety for all road users. Ph: 0466 017 202 |
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Charity SembreroContact details |
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