Lisa Brock, Chair & Non-Executive Director
Lisa joined the Board on 31 January 2023. Lisa has been the Chair of the Audit and Risk Management Committee and a member of the People, Remuneration and Culture Committee. Lisa brings more than 20 years’ experience to the Company in business leadership, commercial strategy, corporate finance and infrastructure. She has held a number of senior executive positions at the Qantas Group and is currently a non-executive director at Adelaide Airport. She holds an Honours Degree majoring in Mathematics from the University of Birmingham, UK and a Master of Applied Finance from Macquarie University. She is a Graduate of the Australian Institute of Company Directors and a Member of the Institute of Chartered Accountants in England and Wales.
David Tudehope, Chief Executive
David is Chief Executive and co-founder of Macquarie Technology Group and has been a director since 16 July 1992. He is responsible for overseeing the general management and strategic direction of the Group and is actively involved in the Group’s participation in regulatory issues. He is a member of the Australian School of Business Advisory Council at the University of NSW and was a member of the Australian Government’s B20 Leadership Group. David holds a Bachelor of Commerce degree at the University of NSW. In 2018, David was named Australian Communications Ambassador at the 12th Annual ACOMM Awards. In 2020, David was named CEO of the Year at the World Communications Awards in London. In 2023, David and Aidan were jointly awarded Australia’s most prestigious award in the ICT industry the “Pearcey Medal” for a lifetime of achievement and contribution to the development and growth of the ICT industry.
Aidan Tudehope, Managing Director, Hosting
Aidan is co-founder of Macquarie Technology and has been a director since 16 July 1992. He is the Managing Director of the Hosting Group (Cloud Services & Government and Data Centres) with a focus on business growth, operational efficiency, cyber security and customer satisfaction. He leads the Government business unit, encompassing Macquarie’s Secure Government Cloud and Cyber Security offerings. As the former Chief Operating Officer for Macquarie Technology, Aidan played an integral part in the strategy and direction of the Hosting business since its first state-of-the-art data centre, Intellicentre 1 opened in 2001, as well as being instrumental in the development of Macquarie Technologies data networking strategy. He holds a Bachelor of Commerce degree. In 2023, Aidan and David were jointly awarded Australia’s most prestigious award in the ICT industry the “Pearcey Medal” for a lifetime of achievement and contribution to the development and growth of the ICT industry.
David Buckingham, Non-Executive Director
David Buckingham joined the Board on 24 September 2025. David is the new Chair of the Audit and Risk Management Committee. David Buckingham brings more than 30 years’ experience to the company as a corporate leader in telecommunications, media and technology. He is currently a Chair and Non-Executive Director of a portfolio of small listed and private technology companies including Pentanet, Hiremi, Way2VAT and Hyprfire. He is also Chair of the Perth Wildcats and a Non-Executive Director of Football West.
David Buckingham holds a Bachelor of Technology (Hons) from the Loughborough University of Technology in the UK and is a qualified ACA Chartered Accountant and a member of the Australian Institute of Company Directors.
Kate Vidgen, Non-Executive Director
Kate has joined the Board on 26 February 2026. Kate brings more than 30 years’ experience to the company as a senior finance executive and non-executive director with a demonstrated history of working across a range of sectors, particularly energy, mining and infrastructure. In addition to 26 years in executive roles at Macquarie Group, Kate has also had more than a decade of experience across the spectrum of board roles – private and institutional equity, large listed, government and not-for-profits. This includes prior roles as a Non-Executive Director at Aurizon Holdings Ltd, the Chair of Quadrant Energy Pty Limited, a member of the Clean Energy Regulator and a National Board Member of Chief Executive Women. Kate currently sits on the Board of Bond University and consults as an Operating Partner to Macquarie Asset Management.
