BA (International Politics), MBA
Chair of the Board

Bec Humble is a senior leader with global experience who has held executive roles in the Defence and national security sectors.

Over the past 25 years, Bec has worked in Australia, the US, UK and Europe with roles including; Vice President of Global Strategy for the world’s largest military vehicles business (US$17bn) based in Washington D.C., Program Director for the Tornado Military Aircraft sustainment program in the UK and Head of Global Strategy for a GBP 4.5bn defence business covering the UK, Australia, Saudi, South Africa and Sweden. More recently Bec was Chief of Strategy and Corporate Affairs for Nova Systems. Her current role is Chief of Corporate Development at SAGE Group, a global specialist, industrial services provider.

Bec has a background in driving growth strategies for global businesses, has been involved in driving multi-billion dollar trans-national acquisitions and has been a member of Executive teams in the US, UK and Australia.

Bec is Chair of the Seymour College Board. She is an Old Collegian, was Head Girl in 1990, is a current parent and has also served as a board member for the Defence Teaming Centre, University of Adelaide advisory board for Defence, Space and Cyber and the International section of the Red Cross in Luxembourg.

BSocSc (Hon), MEdAdmin

Eliza is a recognised leader, having led diverse teams across multiple countries to facilitate international partnerships over a long career in government, diplomacy, and higher education.

During her time with the Australian Trade and Investment Commission (Austrade), Eliza’s accomplishments included three diplomatic postings and led thought leadership projects in international education.  She was the inaugural Education Commissioner for North Asia based in Shanghai to re-position Australian education and training in China, Hong Kong, Taiwan, Korea, Japan and Mongolia from 2010 – 2015.  She became the Senior Trade and Investment Commissioner for Taiwan in 2015 – 2020 leading the Australian Government’s trade and investment promotion.  In her subsequent role as International Education Strategic Project Lead, Eliza oversaw the transnational education project that identified key market opportunities for pathway partnerships in 14 markets.  Before her retirement, she undertook a short-term assignment as Trade and Investment Commissioner in Vietnam in 2023.

Previously, Eliza held wide-ranging leadership roles in higher education governance, research management and global marketing at Australian and overseas universities, including a secondment to the Department of Education for the quality audit of Australian universities.

A former Seymour parent whose daughter graduated in 2009, Eliza also serves currently on the Board of the South Australian Certificate of Education Board.

LLM (Cantab), LLB (Hons), BCom (Acc), BFin, GDLP, MAICD

Brenton is the Managing Director of Adelaide Airport. He is also on the Adelaide University Business School Industry Advisory Board, Adelaide Festival Board and is a Councillor of the Property Council of South Australia and the Freight Council of South Australia. Before returning to Adelaide, Brenton was non-executive director of Sydney Airport and Hobart Airport and worked with Macquarie in London and Sydney after completing a Masters Degree at Cambridge University. Brenton is also a current Seymour parent.

Katherine Williams
LLB, BBsc, GDLP
Chair: Governance, Nominations and Remuneration Committee

Katherine has 20 years’ experience in law, risk and governance having been in and advised the Board rooms of some of Australia’s largest companies.

Based in Adelaide with her family, Katherine is the General Counsel and member of the executive leadership team at Fulton Hogan, one of Australia’s largest construction and engineering companies employing over 8,000 people across Australia and New Zealand. Katherine lectures in Construction Law at Monash University, has studied business sustainability (Cambridge University) and has been an advisor to the Australian delegation to the United Nations in areas of International Law.

Katherine is an Old Collegian (’94) of Seymour College and a former Old Collegians’ Association Committee member.

BA (University of Adelaide), BA Arch (University of Adelaide), BArch St. (UTS), BArch (Hons) (UTS), Registered Architect
Chair: Infrastructure and Digital Committee

Edwina is a Principal at Woods Bagot and their Global Health Sector Leader. She has over 25 year’s industry experience and expertise in Australia and overseas in the design, delivery, and management of a broad range of building typologies. She has delivered projects across a diverse range of sectors including health and life sciences, education, defence, commercial, hospitality, and residential developments.

Edwina has unique skills in leading large multidisciplinary design and planning teams and providing effective solutions. Edwina is currently leading the design of the New Women’s and Children’s Hospital project in Adelaide.

Edwina returned to Adelaide following 20 years in Sydney and London, to manage Woods Bagot’s practice nationally.

Edwina is an Old Collegian, was Chief of Clan Douglas in 1989 and is a current Seymour parent. She is also the current Chair of the Infrastructure and Digital Committee, guiding the committee to advise and assist on the College’s building infrastructure pipeline and digital best practice.

FCPA, GAICD, B. Com
Member – Governance, Nominations and Remuneration Committee.

Chantale Millard is an experienced executive and has extensive experience in the areas of financial management, mergers and acquisitions, business growth and turnarounds.

With Australian and International experience, Chantale has previously held CEO and Managing Director roles of both public and private companies and is currently a Director on several private and public company boards and organisations. Chantale has a Bachelor of Commerce, is a qualified FCPA and a member of the Australian Institute of Company Directors (GAICD).

Bachelor of Commerce in Accounting Finance and Systems, Graduate Diploma in Applied Finance and Investments
Chair: Finance Risk and Compliance Committee

Stephen Duerden is currently the CEO of Duxton Capital (Australia) Pty Ltd. He has 29 years experience in investment management with 14 of those being involved directly in the agricultural industry in Australia.

Stephen joined the Duxton Group as a founder in May 2009. Prior to this, he was the COO and Director for both the Complex Assets Investment Team and the Singapore operation of Deutsche Bank Asset Management Asia. Stephen is currently a Director of a number of investment funds managed by the Duxton Group and holds board positions on two listed agricultural businesses in Australia.

He holds a Bachelor of Commerce in Accounting Finance and Systems with merit from the University of NSW Australia and a Graduate Diploma in Applied Finance and Investments from the Financial Services Institute of Australasia.

Stephen is a Member of the Australian Institute of Company Directors, a Fellow of the Financial Services Institute of Australasia and a Certified Practicing Accountant. Stephen is also a current Seymour parent.