Peter Turnbull AM | Non-Executive Chair

Peter Turnbull is an experienced chair and professional non-executive director of publicly listed, unlisted and evolving technology companies.

Sector experience spans oil and gas, mining, technology commercialisation and industrial manufacturing.

Peter has degrees in law and commerce (University of Melbourne) and over 25 years successful senior executive and corporate legal experience with some of Australia’s largest listed and unlisted public companies including Newcrest Mining, BTR Nylex and Energex.

Peter also has significant corporate regulatory and government policy experience gained through working with the Australian Securities & Investments Commission and the Hong Kong Securities & Futures Commission.

Peter is a member of the ASIC Corporate Governance Consultative Panel and is a regular speaker and writer on global governance issues.

In June 2020 Peter was made a Member of the Order of Australia for services to business and corporate governance institutes.

Current positions and directorships include:

  • Chair, Calix Limited (ASX: CXL)
  • Non-Executive Director, Karoon Gas Australia Ltd (ASX: KAR)
  • Chair, Auxita Pty Ltd

Peter is a non-executive director, former President, Life Member and Fellow of Governance Institute of Australia and is a Fellow of the Australian Institute of Company Directors.

Peter is Chair of the Remuneration and Nomination Committee and a member of the Audit and Risk Management Committee.

Alison Deans | Non-Executive Director

Alison Deans

Alison Deans has 25 years’ experience building technology-enabled businesses involved in media, ecommerce, financial services and health, and across leadership roles as an executive, a director and in venture capital.

Alison is currently the Chair of Cochlear and a Non-Executive Director of Deputy, Ramsay Health Care and the Observership Program. She is also on the Investment Committee of MainSequence Ventures. Alison was previously on the boards of Westpac Banking Corporation and IAG (Insurance Australia Group Limited).

In her executive career, Alison was previously the first CEO of eBay Australia and New Zealand, CEO of eCorp Limited, (a publicly listed portfolio of digital businesses), CEO of Hoyts Cinemas, and CEO of netus Pty Ltd – a technology investment company acquired by Fairfax.

Alison also spent seven years as a Consultant with McKinsey & Company. She holds a Master of Business Administration from the Stanford Graduate School of Business and a Master of Arts from Trinity College at Cambridge University.


Helen Fisher is a passionate leader with a rare combination of financial expertise and deep knowledge and global networks in the Life Sciences sector.

Helen is the founding CEO and Managing Director of Bio Capital Impact Fund (BCIF). She is currently a Non-Executive Director and Chair of the Audit and Risk Management Committee of Paradigm Biopharmaceuticals Ltd (ASX:PAR). She is also the Chair of the Victorian branch of AusBiotech, and a former member of the American Chamber of Commerce in Australia Health Committee.

Prior to establishing the BCIF, Helen was a partner of Deloitte and led Deloitte’s life sciences practice in Australia for 5 years, having had many years’ experience in the life sciences and health care sector. She also specialised in the financial services sector, servicing some of the large banks and funds and has been involved in setting up a number of large international funds, as well as advised on a number of significant M&A transactions.

Helen has provided strategic tax advice to publicly listed and large multinational companies and has extensive experience with capital raisings, licensing deals, demergers, implementing offshore structures, IP and supply chain management.

Helen has Bachelor degrees in Law (with honours) and Science from the University of Melbourne, a Masters degree in Laws (specialising in International Taxation) from the University of Melbourne and a Masters degree in Commerce from the University of NSW.

Helen is Chair of Calix’s Audit and Risk Management Committtee.

Sarah Ryan | Non-Executive Director

Sarah Ryan

As a non-executive director and former senior operational executive, Sarah brings extensive global engineering and commercial experience, encompassing private equity, investment management, energy sector operations, marketing, research, and team management. With a combination of deep technical expertise, commercial experience and a particular emphasis on innovation and technology enabled solutions, Sarah has led and helped to build organisations across the energy, natural resources, and infrastructure sectors.

Sarah is currently a non-executive director of Viva Energy Group Limited (ASX:VEA), Aurizon Holdings Limited (ASX:AZJ), Transurban Group (ASX:TCL) and the Future Battery Industries Co-operative Research Centre. Until recently, Sarah was a non-executive director of Oz Minerals Limited (ASX:OZL) and Woodside Energy Group Limited (ASX:WDS). Sarah is also a Strategic Advisory Panel Member of the ARC Centre of Excellence for Green Electrochemical Transformation of Carbon Dioxide and Chair of the Energy Forum for the Australian Academy of Technological Sciences and Engineering.

Sarah holds a Bachelor of Science in Geology from the University of Melbourne, a Bachelor of Science (First Class Honours) in Geophysics from the University of Adelaide, and a PhD in Petroleum Geology and Geophysics from the University of Adelaide. Sarah is also a Fellow of the Australian Academy of Technological Sciences and Engineering (ATSE), a Fellow of the Australian Institute of Energy, a Member of the Australian Institute of Company Directors, a Member of Women Corporate Directors, and a member of Chief Executive Women.

Peter Dixon | Non-Executive Director

Peter Dixon

With over 25 years of deep and diverse experience across the legal, investment banking and funds management sectors, Peter brings expertise across corporate strategy, investment management, corporate advisory (including equity capital markets) and legal governance issues to the Calix board.

Peter is currently Chief Strategy Officer for HPX Group (which provides legal, compliance, governance and workplace services to a diverse range of clients across Australia and New Zealand), and is a non-executive director at Johns Lyng Group Limited (ASX:JLG).

Peter’s investment banking and legal experience includes private legal practice experience at Mallesons Stephen Jacques in Sydney and Linklaters in London, as well as over nine years executive experience at MA Financial Group (ASX:MAF) initially as an investment banker and ultimately as the group’s General Counsel. Peter also spent time earlier in his career at Macquarie Group Limited (ASX:MQG) in various roles across corporate strategy, investment management and corporate advisory.

Peter holds a Bachelor of Commerce (Finance) and a Bachelor of Laws from the University of New South Wales. Peter has previously been admitted to practice as a solicitor in New South Wales and in England and Wales.

Phil Hodgson | Managing Director and CEO

Phil joined Calix as CEO in 2013, was appointed a Director in 2014, and is a member of Calix’s Technology Committee.

Phil has a technical and commercial background from a successful career with Shell, where for over 14 years he developed significant depth of experience across all key sectors of the Downstream oil industry including refining and supply, marketing and sales, pricing strategy, risk management, corporate strategy and mergers and acquisitions.

From 2007 to 2013, Phil ran his own consultancy providing project development, commercial and M&A, and management expertise to a number of sectors including LNG, Biofuel, Clean Coal, Geothermal Energy, Building Products, Logistics and fast moving consumer goods.

Phil holds a Bachelor of Chemical Engineering with Honours (University of Sydney) and a PhD in Chemical Engineering (University of NSW).

Mark Sceats | Executive Director and Chief Scientist

Mark founded Calix in 2005, was re-elected as a Director in 2014 and is a member of Calix’s Technology Committee.

Mark is a qualified physical chemist with 40 years’ experience.

Mark has previously worked at the James Franck Institute at the University of Chicago, and as an Assistant Professor of the University of Rochester NY, USA, where he was awarded the Alfred P Sloan Fellowship for his work. Later he was employed by the University of Sydney as a Reader in the School of Chemistry for his research work on chemical reaction kinetics. Mark has published more than 140 academic papers in physical chemistry, and is an inventor of 36 patented inventions.

Mark was awarded the M.A. Sargent Medal of the Institute of Engineers Australia for his contributions to optical communications and the Centenary Medal of the Commonwealth of Australia for his contributions to Australian society.

Mark has degrees in Science (Hons 1st Class) and a PhD (University of Queensland). He is a Fellow of the Australian Academy of Technological Sciences and Engineering, a Fellow of the Royal Australian Chemical Institute, and a Companion of the Institute of Engineers Australia.



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