Our Board
With profound industry experience and excellent leadership skills, the Board of Transmax provides overall stewardship of the company. They support a strong corporate culture that places our people and customers at the centre of what we do.
Catherine Black
Chair and Non-Executive Director
Ms Catherine Black was appointed to the Transmax Board as Chair and Non-Executive Director, effective 1 December 2025. Catherine is an accomplished advisor and non-executive director with over 25 years of leadership experience across the infrastructure, finance, and government sectors. Known for her expertise in public-private co-investment, financial sustainability and project governance, Catherine has made significant contributions to Australia’s major infrastructure and commercial projects.
Catherine’s career has spanned roles in both public and private sectors, including her leadership as Interim Investment Executive at the $15 billion National Reconstruction Fund Corporation. She has also served as Acting CEO and Managing Director of the Infrastructure and Commercial Advisory Office, formerly the Infrastructure and Project Financing Agency, an independent agency of the Australian government. In these roles she led strategic advisory, commercial and financing solutions for high value urban transport, energy and resources, and social infrastructure projects.
Her board and committee contributions include the City of Gold Coast Audit & Risk Committee, the Australian Treasury’s Performance & Risk Committee, the Brisbane Writers’ Festival and Brisbane Women’s Club. Catherine is recognised for her deep commercial and financial experience, strong influencing skills and stakeholder management.
Catherine holds an MBA from Queensland University of Technology and is a Graduate of the Australian Institute of Company Directors (GAICD).
John Frazer
Non-Executive Director
Iyari Cevallos
Non-Executive Director
Iyari Cevallos was appointed to the Transmax Board as a Non Executive Director effective 27 March 2026. Iyari is an accomplished executive and non executive director with more than 20 years’ experience across consulting, infrastructure and technology. Born in Mexico and shaped by leadership across two countries and cultures, she brings a people centred approach grounded in equity, resilience and purposeful innovation.
A Director of Núcleo Group, Iyari has a strong management consulting background and a proven track record leading teams through complex challenges across ASX100 companies, government owned entities and the technology sector. Her experience spans strategy development, digital transformation and governance. Earlier in her career, she held senior leadership roles within a state government–funded energy infrastructure entity, overseeing network access, planned works delivery and emergency management. Iyari serves as Chair of Women in Technology and co chairs the WiT Men as Allies Network. She also sits on the Queensland 20% Alternative Pathways Pledge Working Group and the MCLG Strategic Advisory Board. Iyari holds the Certified Chair™ Executive Program qualification and has completed the AICD Company Directors Course.
Vinnie D’Alessandro
Non-Executive Director
Vinnie D’Alessandro was appointed to the Transmax Board as a Non Executive Director effective 27 March 2026. He is a seasoned executive, founder and company director with over 25 years’ experience across fintech, technology, AI and digital transformation, and is recognised for translating technology into practical commercial strategies.
Vinnie has held executive and advisory roles across financial services, healthcare, retail, energy and tourism. He is currently Co Founder and Chief Commercial Officer of Profenso, an Australian AI company delivering solutions across civil engineering, healthcare and fintech. He also serves as a Director of FinTech Australia, Co Founder and Director of Gifting Owl, and Founder and Director of Raishio.
Previously, Vinnie was a senior executive at ASX listed Change Financial, including roles as Chief Product and Technology Officer, where he helped transform the business into a global payments provider. He has also held senior technology leadership roles at Silver Chef Group and Tatts Group, and holds a Bachelor of Information Technology from Queensland University of Technology.