Michael Liebreich
Managing Partner, EcoPragma Capital & CEO, Liebreich Associates
Michael Liebreich is managing partner of EcoPragma Capital and CEO of Liebreich Associates. He is an honorary fellow of the Energy Institute and visiting professor at Imperial College London. Former roles include member of the UK’s Taskforce on Energy Efficiency, chairing the subgroup on industry and an advisor to the UK Board of Trade, an advisor to the UN on Sustainable Energy for All, a member of the board of Transport for London and founder of BloombergNEF.
Michael is a sought-after keynote speaker and panelist on all matters relating to the net zero transition. During the pandemic of 2020 where travel was restricted, Michael started a podcast and YouTube channel called Cleaning Up, where he hosts in-depth conversations with leaders and experts in climate change and its potential solutions. Michael serves on too many advisory boards to list, he is a prolific speaker and writer, and is known to make the occasional angel investment.
Mindy Lubber
CEO & President, Ceres
Mindy Lubber is the CEO and President of the sustainability nonprofit Ceres. She has been at the helm since 2003, and under her leadership, the organization and its powerful networks and global initiatives have grown significantly in size and influence.
As a global thought leader, Lubber has inspired capital market leaders including some of the world’s largest institutional investors and corporate boards and executives to factor responsible investment and business practices into their overall strategies. She regularly speaks to high-level global and national policymakers on the need for stronger climate policies that accelerate the transition to a more just and resilient economy. She is frequently quoted in mainstream business and financial news outlets and pens columns for Forbes.com and Reuters.com on a variety of sustainability topics. In 2015, Lubber helped catalyze the necessary business support to get the historic Paris Agreement across the finish line, leading Vogue Magazine to name her a “Climate Warrior.”
Yasutoshi Miyamoto
General Manager, Responsible Investment Strategy Office, Nippon Life Insurance Company
Yasutoshi is General Manager for Responsible Investment Strategy Office and for Finance & Investment Planning Department in Nippon Life Insurance Company.
He has spent his entire career with Nippon Life, starting in 1997. Prior to his current role, he has about 10 years’ experience in structured finance (mainly project-finance) at Loan Department and Credit Department. He also has 4 years’ experience in equity investment.
He holds a Bachelor of Economy in Tokyo University and a Master of Finance in Waseda University.
Tulsi Naidu
Tulsi Naidu was appointed CEO Asia Pacific in January 2021, when she also became a member of the Executive Committee. Ms. Naidu has extensive experience in international financial services, having worked in life, property and casualty insurance and corporate finance, in Europe and Asia Pacific. Ms. Naidu started her career in India with roles at Arthur Andersen and ICICI Bank before moving to Credit Suisse First Boston in Hong Kong.
She joined Prudential plc in London in 2003 and held a number of roles within the UK and Europe division including serving as chief operations officer and as the executive director responsible for UK and offshore business. Ms. Naidu joined Zurich in September 2016 as Head of Business Development EMEA and was then appointed CEO of Zurich UK. Since 2024, Ms. Naidu has also served on the board of Zurich Kotak General Insurance.
Rebecca Mikula-Wright
Rebecca is the Chief Executive Officer of the Asia Investor Group on Climate Change (AIGCC) and Investor Group on Climate Change (IGCC). She sits on the Steering Committees for Climate Action 100+, the Net Zero Asset Managers initiative and the Investor Agenda, as well as the Executive Committee for the Paris Aligned Asset Owners. Rebecca has worked in climate change, sustainability and investment banking for over 20 years in Hong Kong, Europe and Australia.
Rebecca started her career in investment banking working in equity research, credit analysis, commodities and derivatives for groups such as Nomura Securities, BlackRock, Exxon Mobil and JPMorgan. Involvement in early corporate sustainability programs in many of her roles was the catalyst to move into the nascent sustainable finance and investment field in Asia where she led ASrIA (Assoc. for Sustainable and Responsible Investment in Asia) in Hong Kong.
She is a Board member of Wildlife Conservation International – the umbrella organisation of The Orangutan Project, International Elephant Project and the International Tiger Project, focused on animal and environmental conservation in Indonesia. Rebecca has a BA (Asian Studies/Commerce), Dip. Business Administration and speaks conversational Japanese, French and Czech.
Trista Chen
Trista Chen is Co-Lead of Global Investment Stewardship at L&G’s Asset Management division, a leading global investor across public and private markets with approximately $1.4 trillion in assets under management. Based in Singapore, she co-leads the firm’s global stewardship team, shaping strategy grounded in financial materiality and long-term value creation for clients. Her work focuses on addressing financially material systemic risks and opportunities, including climate transition, nature, social resilience and corporate governance, while partnering with companies across sectors and regulators to support credible progresses.
In specific for climate, Trista engages globally with companies and market stakeholders on sectoral transition challenges, particularly those related to energy systems and hard-to-abate industries. In Asia, she works closely with boards, senior executives, policymakers, and regulators to strengthen corporate governance and support credible transition pathways across regional key markets. Drawing on more than two decades of consultancy experience, her approach combines a pragmatic understanding of how businesses navigate transition with strong conviction on the pace and ambition required.
Leanne Todd
Leanne Todd is the Senior Vice President of Horizons, Energy Expansion and Sustainability, with S&P Global Energy. 25 years of experience in the energy sector, her career has spanned working in reservoir and geoscience-based research, data, and software. Her new role focuses on renewable energy, sustainability & data centres, to help the industry navigate opportunities and risks.
Today, Leanne leads a global team focused on energy transition, sustainability, data centres, CERAWeek, and conferences. The Horizon’s team creates research and products that include, energy scenarios, clean tech, emissions, carbon registries, data centres, IoT, cybersecurity, climate & physical risk, and regulatory disclosure. This critical research connects the energy story, supporting the path in alternative energy, growth of AI and data centre demand, environmental impact, and financing, while leveraging AI to develop innovative solutions for a rapidly evolving global market.
Putra Adhiguna
Putra Adhiguna is co-Managing Director of the Energy Shift Institute, an independent nonprofit think tank he co-founded to deliver pragmatic, investment-grounded analysis of Asia’s green transition.
He brings nearly two decades of experience spanning energy, finance, and policy. Before founding the Institute, he served as Asia Technology Research Lead at the Institute for Energy Economics and Financial Analysis (IEEFA). Earlier, he held senior roles in Fortune 500 organizations and served on the board of a $400 million project in the world’s largest single geothermal development.
Putra brings a distinctly regional lens to global energy debates, grounded in the realities of emerging markets. His work focuses on various energy transition pathways, critical minerals, and the financing conditions needed to accelerate Southeast Asia’s transition.
Immanu’el Woo, CFA, CAIA
Immanu’el leads Sustainable Solutions at Temasek, where he catalyses initiatives to decarbonise hard-to-abate businesses across multiple portfolio companies. His strategic focus includes investments in next-generation baseload power solutions such as nuclear fission, fusion, and advanced geothermal technologies. In addition, he is responsible for portfolio development of sustainability-aligned joint ventures and platforms at Temasek.
Since joining Temasek in 2010, Immanu’el has contributed his expertise across diverse groups, including Emerging Technologies, Corporate Finance, and Risk Management. Prior to Temasek, he was at Barclays Capital as a Fixed Income Analyst and at Citigroup as a Foreign Exchange Analyst.
Putra brings a distinctly regional lens to global energy debates, grounded in the realities of emerging markets. His work focuses on various energy transition pathways, critical minerals, and the financing conditions needed to accelerate Southeast Asia’s transition.
Mark Brownstein
Mark Brownstein is Senior Vice President at Environmental Defense Fund (EDF), a leading global nonprofit driving practical solutions for a safer climate and a more resilient energy future. EDF operates in more than 30 countries, leveraging over five decades of results in aligning environmental progress with economic growth. He leads EDF’s global energy transition strategy, guiding efforts to rapidly decarbonize major emitting sectors—including energy and transportation—in line with the latest climate science.
A recognized authority on energy policy, he provides strategic insight on the future of alternative fuels, the role of AI in accelerating clean energy innovation, and strategies to balance the world’s need for secure, affordable, accessible, and sustainable energy. Widely regarded as one of the world’s foremost environmental experts on methane mitigation, Mark is a key advisor to governments, industry leaders, and international institutions on strategies to eliminate methane waste across the energy value chain.
Marcie Frost
Marcie Frost joined CalPERS as chief executive officer (CEO) in October 2016. She is the ninth CEO and second woman to head America’s largest public pension fund. CalPERS administers a defined benefit retirement system for more than 2 million California public sector workers and their families and is the nation’s second-largest purchaser of health care benefits, covering more than 1.5 million lives.
As CEO, Marcie oversees the global investment portfolio, an experienced team of 2,800 professionals, and three lines of business for the fund: pensions, health benefits, and investments. CalPERS delivers on its fiduciary duty to California’s public employees by maximizing long-term investment returns, identifying global opportunities, leveraging the fund’s strength to drive sustainable markets and minimizing the risk in its portfolio.
Under Marcie’s leadership, CalPERS has improved its funded status from 68.3 when she arrived to 79 percent at the end of fiscal year 2024-25. In November 2025, the board voted to make CalPERS the first major public pension fund in the United States to embrace the Total Portfolio approach, which gives the team more flexibility to pick investments based on their potential benefit to the entire portfolio.
MORE SPEAKERS TO BE ANNOUNCED