Our Team

Our Global Climate Insight team, with deep experience in equities analysis, climate and carbon research, provides investors with clear actionable insights on the climate transition plans of major global companies.

  • Brynn O'Brien

    Brynn O'Brien

    Executive Director

    Brynn has 15 years’ experience as a lawyer and strategist. Prior to joining ACCR in January 2017, she worked as a consultant and advisor on business and human rights projects and practised as a corporations and international lawyer. She has degrees in Medical Science and Law from the University of Technology Sydney and a Master of Laws from Columbia University.

  • Judy Mills

    Judy Mills

    Chief of Staff

    Judy oversees the management of the team. She worked for more than 20 years in investment banking, predominantly in equity and financial markets across Australasia, UK and Europe. She has held senior management, legal and operational roles, and has also sat on a number of boards. Judy holds a Bachelor of Arts, Bachelor of Laws (Hons) double degree (University of Sydney) and is a graduate of the Australian Institute for Company Directors (AICD).

  • Harriet Kater

    Harriet Kater

    Company Strategy Lead

    Harriet joined ACCR's national climate team in February 2021, bringing 18 years' experience in climate, energy and the NGO sector. She started her career working in a series of environmental NGOs and then worked for a decade with Energetics, consulting to ASX-listed clients in the oil and gas, mining, chemicals and retail industries on climate and energy strategies. Following Energetics, she worked with Indigenous Business Australia in a renewable energy portfolio management role.

  • Alex Hillman

    Alex Hillman

    Lead Carbon Analyst

    Alex has spent over a decade working in oil and gas, including five years as Woodside's climate change advisor. This has given him an understanding of the energy transition, LNG business models and technology, asset and company forecasting, climate policy, and climate reporting. Since starting work with ACCR, he has developed a keen interest in how climate change should be included in financial statements.

  • Dimitri Lafleur

    Dimitri Lafleur

    Chief Scientist

    Dimitri Lafleur is our Chief Scientist, providing rigorous assessments of company climate plans, with a deep understanding of GHG emissions and energy markets, as well as oil and gas value chains. After an 11 year career as a geoscientist in the oil and gas industry, working for Shell globally, Dimitri subsequently completed a PhD on climate change and energy transition. He holds bachelor and master of science degrees in geophysics and geology (University of Utrecht) and a PhD in climate and energy (University of Melbourne).

  • Rohan Bowater

    Rohan Bowater


    Rohan is a company analyst, assessing climate transition plans and business models of large oil and gas companies. He has a background in corporate finance, project engineering and consulting, Rohan has strong analytical and finance skills. Rohan holds a Bachelor of Commerce and Bachelor of Engineering (Hons) double degree (Monash University) and is currently completing his CFA level I.

  • Gemma Yeates

    Gemma Yeates

    Investor Engagement Lead

    Gemma is responsible for investor and company relationships. She works collaboratively across ACCR to understand investors' needs and build long-term and lasting relationships. She has worked in financial markets for 15 years, in both investment banking (equity research sales) and funds management (investor relations and marketing) where she has always sought to add value via timely and relevant service for her clients. Gemma holds a Bachelor of Commerce and Bachelor of Business Management (University of Queensland) and a Business Sustainability Certificate from the Cambridge Institute of Sustainability Leadership (CISL).

  • Paul De Josselin

    Companies Research Lead

    Prior to joining ACCR in December 2022, Paul gained extensive experience working within Templeton Global Equities, a premier international funds management organisation managing A$70bn of funds, specialising in global equities, with a focus on long-term bottom-up fundamental research. He has worked previously as a portfolio manager/research analyst across numerous sectors in Asia, Europe & ANZ. Paul is a Chartered Financial Analyst with a long-term track record of leveraging detailed financial analysis and modelling to drive alpha generation.


    • Chartered Financial Analyst
    • Graduate Diploma in Applied Finance and Investments, Securities Institute of Australia
    • Bachelor of Commerce major in Accounting, Monash University
  • Martin Norman

    Martin Norman

    Investor Engagement Lead

    Martin supports the team by expanding the reach of our research to key European investors. Based in Norway, Martin has deep climate and energy experience, and has built extensive networks with the finance industry in Europe, as well as parts of Asia and America. Martin has a background in anthropology, as well as sports training, having trained alpine sports teams at national level in Norway and Iceland.

  • James Fitzgerald

    James Fitzgerald

    Legal Counsel / First Nations Engagement Lead

    James is a lawyer, negotiator and strategist for more than 28 years’ experience. James has been closely involved in the development of native title law and land use policy, and has worked with Indigenous peoples, governments and industry peak bodies in state and Commonwealth land use policy and legislation development. James is currently a director of the Diplomacy Training Program Ltd, a human rights training organisation, and is adjunct associate professor at the Law School of the University of NSW.

  • Naomi Hogan

    Naomi Hogan

    Strategic Projects Lead

    Naomi is the Strategic Projects Lead at ACCR, bringing a background in research and advocacy on the impacts of coal and gas projects in Australia. Naomi trained in science communication, climate science and natural resource management at the Australian National University. She has a background in building and supporting diverse coalitions to develop strategies and work together for improved environmental and climate outcomes. Over the past 14 years, Naomi has worked with regional communities, Traditional Owners, scientists, policy makers, NGOs, investors, lawyers, journalists and companies to help improve environmental protections and highlight inappropriate new coal and gas projects.

  • Eva Kiriakoff

    Eva Kiriakoff

    Strategic Partnerships Lead

    Eva is the Strategic Partnerships Lead at ACCR and brings with her over 12 years’ experience in project design and implementation in complex environments, monitoring and evaluation, donor engagement and business operations. She has worked in Australia and globally for not-for-profits, research institutions, social entrepreneurs and government in areas she is deeply passionate about - environmental protection and sustainable development, education, public health, human rights, and ethical business/social enterprise development. Eva holds a Master of Development Practice (International Political Development) and a Bachelor of Arts (Extended Major International Relations), both from The University of Queensland.

  • Ainslee Hunter

    Ainslee Hunter

    Digital & Marketing Lead

    Ainslee is a digital media pioneer with over fifteen years experience in content production for television, digital and social media platforms. Prior to joining ACCR in February 2021, she was in marketing, communications and community management for ABC Kids and ABC’s flagship program, Q&A. Ainslee started in digital production at MTV Australia in 2004 and has spent her career adapting to rapidly changing technologies and environments while driving both impact and increased awareness.

  • Alana Barbaro

    Alana Barbaro

    Administration Officer

    Alana supports the day to day operations of the team as an experienced administrator. She has previously worked in law and engineering firms, as well as for a number of not for profits. Alana is currently completing a Bachelor of Arts (International Relations), Bachelor of Laws double degree at the University of Sydney, where she is a member of the Dalyell Stream for High Academic Achievers.