Managing Director & CEO
See page Board of Directors for Brett’s bio.
Chief Operating Officer
Markus joined AGL in April 2020 as Chief Operating Officer.
Prior to joining AGL, Markus was the Head of Digital and Commerce, and an Executive Board Member at ALPIQ Group in Switzerland, a leading Swiss electricity producer. In this capacity, Markus was responsible for the trading and origination activities in more than 30 countries as well for the retail and digital business of the Group.
With more than 25 years’ experience in the oil, power and gas sectors gained across operations in Europe, Africa and the Middle East, Markus brings a wealth of experience in mining, asset management and trading. Markus holds a Masters of Engineering from Technical University of Clausthal, Germany.
Chief Customer Officer
Christine joined AGL in July 2019. Prior to joining AGL, Christine built a career at Australia Post spanning almost three decades, where she held several leadership roles, including two years as Chief Customer Officer, responsible for group channel operations, marketing, digital and customer experience. She also held the role of Interim Chief Executive Officer at Australia Post prior to joining PwC in 2018 as a Special Advisor consulting for a range of clients in the customer and integrated solution space.
Christine holds a Bachelor of Law and a Bachelor of Business (Comm) from the Queensland University of Technology, and is a graduate of the Australian Institute of Company Directors and Stanford Graduate School of Business’ Executive Program.
General Counsel & Company Secretary
John was appointed Company Secretary in October 2015. In December 2007, John was appointed General Counsel and continues to hold that position in addition to his role as Company Secretary.
Previous to joining AGL, John worked in both government and private legal practice.
John holds a Bachelor of Arts and a Bachelor of Law from the University of New South Wales and a Masters in Arts from the National University of Ireland (University College Dublin). John is admitted as a Solicitor of the Supreme Court of New South Wales and has been practising in projects, mining and energy law for over 20 years.
Executive General Manager, People & Culture
Joanne joined AGL in June 2019, following a successful career at Santos.
With more than 26 years’ experience, Joanne has a strong and diverse background leading the Human Resources function in large ASX100 companies in the oil and gas, FMCG and pharmaceutical industries. Joanne brings extensive experience in capability and culture development, succession management, talent development and organisational design.
Joanne holds a Graduate Certificate in Energy & Resources from University College of London plus a Masters of Business Administration from the University of South Australia.
Executive General Manager, Corporate Affairs
Elizabeth joined AGL in February 2020 following various roles spanning multiple industries in both the public and private sectors.
With more than 20 years’ experience gained across multiple industries in the public and private sectors, Elizabeth has extensive experience in stakeholder engagement, public policy, communications and sustainability. Prior to joining AGL, Elizabeth was Group Director, Public Affairs, Communications and Sustainability for Coca-Cola Amatil and has held various roles in the resources industry at South32 Ltd and BHP’s Energy Coal Business.
Elizabeth has a Bachelor of Economics (Hons) from Sydney University and is a Graduate of the Australian Institute of Company Directors.
Executive General Manager, Future Business & Technology
Simon joined AGL in January 2016 as Chief Information Officer, before being appointed to Executive General Manager, Future Business & Technology in July 2019.
Simon has over 20 years’ experience in technology and program management, having held several executive roles both locally and internationally with enterprises such as NAB, GE Captial and CBA. His significant leadership experience in large retail businesses such as CBA Retail and GE Capital Asia Pacific includes leading numerous innovative change and transformation programs.
Simon holds a Bachelor of Computer Science from RMIT.
Chief Financial Officer
Damien joined AGL in March 2013 and held several senior executive finance roles before being appointed Interim CFO in August 2018, then formally CFO in May 2019.
Damien has more than 25 years' experience across large multinational businesses including Linfox Logistics, Smorgon Steel and Deloitte.
Damien is a Board member of ActewAGL, a joint venture that governs the electricity and gas retailer and distribution businesses in the ACT. Damien holds a Bachelor of Commerce (Honours) from La Trobe University, is a fellow of the Chartered Accountants Australia and New Zealand and a graduate member of the Australian Institute of Company Directors.
Executive General Manager, Strategy & Corporate Development
João joined AGL in August 2019.
With more then 19 years' experience, João brings a wealth of international energy sector expertise, most recently from the global team leading McKinsey & Company’s thinking on energy transition. João headed up the company's Electrical Power and Natural Gas Professional Practice in Australia and New Zealand since 2016.
João holds a degree in Mechanical Engineering at the Instituto Superior Técnico, Portugal, and completed his Masters of Business Administration at Northwestern University in the USA.