Energy & Nature Forum Speakers
Charlotte Wolff-Bye
Vice President & Group Chief Sustainability Officer
PETRONAS
Charlotte Wolff-Bye is an award-winning international business leader and the Chief Sustainability Officer at PETRONAS, a Malaysian Fortune 500 company. Since joining in 2021, she has transformed PETRONAS’s energy transition ambitions into actionable plans, driving decarbonization, nature action and social progress. Her work spans value chain and ecosystem development, new ventures and capability development to accelerate the sustainable energy transition.
Previously, Charlotte was Vice President of Sustainability at Equinor, where she developed and implemented the company’s first sustainability strategy, establishing low carbon as a core strategic priority. From 2007 to 2014, she served as General Manager of Corporate Responsibility at ArcelorMittal, bringing with her a diverse background in telecommunications, multilateral lending, music marketing, and diplomatic affairs.
A prominent advocate for responsible business performance, Charlotte frequently speaks, comments, and writes on energy and sustainability matters. Over the years she has helped launch several partnerships, including the UNEP Climate and Clean Air Coalition Oil and Gas Methane Partnership and the Global E-sustainability Initiative and is currently representing PETRONAS in several international and multilateral initiatives.
Charlotte has received Devex’s leadership award for her contribution to international development and is ranked among the world’s top 100 chief sustainability officers, placing within the top 5 in Asia. With her Nordic heritage and extensive international experience, Charlotte brings a unique perspective and unwavering commitment to fostering cooperation and collaboration in global business relations.
Dr. June Rubis
Research Fellow
Macquarie University
Dr June Rubis is a Macquarie University Research Fellow whose work bridges Indigenous environmental governance, biodiversity policy, and data sovereignty. As a conservation scientist and Indigenous advocate from Malaysian Borneo, she examines how large-scale conservation and development initiatives—including energy and carbon projects—reshape Indigenous territories and governance. June serves on the Global Council of the ICCA Consortium and co-leads Building Initiatives in Indigenous Heritage (BIIH), a Bidayuh-led initiative supporting ritual revitalisation and community-led custodianship in Sarawak. Her work supports Indigenous-led custodianship and grounded governance, working with partners across sectors to reimagine extractive and conservation models toward more just and inclusive ecological futures.
Joe Phelan
Executive Director, Asia Pacific
World Business Council for Sustainable Development (WBCSD) Asia Pacific
Joe is Executive Director, Asia Pacific for the World Business Council for Sustainable Development, the global, CEO-led community of the world’s leading sustainable businesses working together to realize a net-zero, nature-positive, more equitable future.
Joe is responsible for the engagement of ambitious companies from across Asia and Australasia in the World Business Council. He has supported collective action projects by business with demonstrable outcomes in areas such as climate change, energy transition, water risk, mobility and more resilient agriculture.
Prior to joining WBCSD, Joe held senior roles with the Prince of Wales Business Leaders Forum. Highlights included a series of special reports with the Financial Times on business and sustainable development, the development of the World Business & Development awards with the United Nations and International Chambers of Commerce, and delivery of programs in skills, inclusive business, and anti-corruption.
Born and educated in the UK, Joe has worked in Asia since 2009. He plays cricket and lives in Singapore with his wife, a writer, and their daughter.
Kamonthip Ma-oon
Capital Project Development Lead, Partner, Thailand
ERM
Kamonthip is a Partner, leading Capital Project Development (CPD) multinational team at ERM, based in the Bangkok Office. She has extensive experience in managing the Environmental and Social aspects for large-scale projects, leading ESIA and ESDD executions in various sectors including Renewable, Oil & Gas, Power and Transportation both in Europe and South East Asia, focusing on Thailand, Lao PDR, Indonesia, Cambodia and Vietnam.
Kamonthip in an experienced Business Partner to clients in Renewable, Oil & Gas and Power Sectors with her support on Environmental, Social, Health and Safety aspects to comply with local requirement and applicable international standards i.e. IFC PS, WB, ADB SPS, as well as providing strategic advice on EHS Risk Management and support clients throughout the lenders’ review process to achieve financial closure.
Mark Eisenegger
Partner, Singapore
ERM
Mark is a Partner with ERM, and is ERM Singapore’s Power Lead and ERM’s Asia Subsea Cable Lead. He has over 20 years consulting experience in partnering with clients to provide environmental and sustainability advice, and stakeholder engagement support across a range of sectors, including renewables (including nearshore and offshore wind, floating solar), subsea cables, industrial, and technology such as data centres. He has particular experience focusing on regulatory and international standard Environmental and Social (E&S) impact assessments, E&S monitoring and E&S Due Diligence to meet local and international E&S regulations and requirements (EP4, WB, IFC and alike).
Mark Wehling
Director
BNEF Academy
Co-head, Asia Pacific Commercial
BloombergNEF
Mark is Director of the BNEF Academy and co-head of the Asia Pacific commercial teams at BloombergNEF (BNEF), a strategic research provider covering global commodity markets and the disruptive technologies driving the low-carbon transition. Prior to his twelve years in Bloomberg’s New York and Singapore offices, he spent ten years in clean energy, public health and sustainability in research and client development roles.
He was previously in Beijing at the China Greentech Initiative (Paulson Institute) and Guanghua School of Management of Peking University as a Henry Luce Scholar. Prior to his work in China, he was in Washington DC and Lima, Peru with Futures Group International (Palladium Group). He earned a B.A. from the University of Illinois at Urbana-Champaign.
Pirabagaran Balasingam
Partner, Malaysia
ERM
Pirabagaran is a Partner with over 20 years’ experience in the field of environment, health and safety (EHS), climate change risk assessment and greenhouse gas (GHG) emission verification and validation works. He has been extensively working throughout Asia for various multinational technology clients, manufacturing industries and multinational oil and gas companies.
Piraba’s core expertise lies largely in the fields of mergers & acquisitions (including technical due diligence for data centers), contaminated site management & site remediations [light non-aqueous phase liquid (LNAPL), dense non-aqueous phase liquid (DNAPL) and heavy metals], EHS compliance audits and risk evaluations. At ERM, Piraba has experience in conducting climate change physical risk assessments (e.g. freshwater availability study, site specific climate hazard study) and managing several GHG emission verification & validation projects relating to the Technology and Oil & Gas Industry. He has worked extensively throughout Asia and has completed projects throughout Malaysia, Singapore, Thailand, Vietnam, Cambodia, Brunei, Philippines, Indonesia, India, Sri Lanka and Oman.
Rutuja Tendolkar
Social Performance Lead, Asia
ERM
Rutuja Tendolkar is a Partner based in Singapore and the Asia Social and Human Rights Service Lead. Rutuja is primarily engaged in capital project delivery (across resettlement advisory, gender, human rights and social impact assessment) and transaction advisory (ESG and sustainable finance).
As a Social and Human Rights Service Lead, Rutuja has engaged in the planning and implementation of major capital projects that entail physical and economic displacement, human rights impacts, impact on community resources and ecosystem services and on indigenous peoples. She has interpreted IFC, AIIB, World Bank, ADB, BII, JBIC, EBRD, UNGPs and DFC environmental and social safeguards requirements for clients and projects across their lifecycle. Specifically for the Diversified Energy sector, Rutuja has worked across upstream (SIAs and development of fishery LRPs), midstream (E&S assessments for pipeline facilities) and downstream (social risk assessment and social due diligence across city gas distribution, petrochemical facilities etc.). Rutuja’s experience at ERM has given her an exposure to geographies in South Asia; South-east Asia; Middle east; Africa and CIS countries.
Tengku Mazura Tengku Ismit
Chief Compliance Officer
PETRONAS
Tengku Mazura is the Chief Compliance Officer of PETRONAS. This role sees her providing stewardship, strategic direction and planning, advisory, implementation and management of legal compliance for PETRONAS Group covering the five critical Legal Areas namely Competition, Sanction, Export Control, Data Privacy and Ethics & Integrity including Human Rights (5 CLAs) with the ultimate aim of protecting and safeguarding PETRONAS and maintaining the zero-tolerance position against any breaches of the 5 CLAs.
Tengku Mazura served as a Partnering Against Corruption Initiative (PACI) panel speaker at the World Economic Forum’s Annual Good Governance Community Meeting on 12 September 2024 in Geneva. Representing PETRONAS, she shared invaluable insights on navigating the energy transition while upholding transparency and good governance during the panel session, “From Fossil to Future: Ensuring a Corruption-Free Transition to Net-Zero.”
Tengku Mazura joined PETRONAS in 2001 and has more than 24 years of experience ranging from Corporate, Gas and Downstream business. Tengku Mazura has served various key projects and positions amongst others include Head of Corporate Governance and International Compliance, she was instrumental in the development and roll out of PETRONAS Code of Conduct and Business Ethics (CoBE) and Anti Bribery and Corruption Manual (ABC Manual) to PETRONAS groupwide. She graduated from Universiti Kebangsaan Malaysia (UKM) with a Bachelor of Law with Honours.
Wan Sayuti B Wan Hussin
Senior General Manager, Strategy, Policy & Regulation, Corporate Sustainability
PETRONAS
Wan Sayuti is the Senior General Manager (Strategy, Policy & Regulation), Corporate Sustainability, PETRONAS. His portfolio includes Group strategy on ESG and Sustainability Agenda, as well as managing key stakeholders on sustainability-related policies and regulations.
He has 21 years techno-commercial experience in PETRONAS. In 2002, he started his career in operations management, technical services, production planning and project management in Kertih Refinery, before moving on to commercial roles in business planning and sales & marketing in PETRONAS Chemical Group. In 2015, Wan Sayuti joined Corporate Strategic Planning (CSP), led and developed several corporate strategic studies and PETRONAS new growth opportunities. Subsequently in 2020, he was seconded to the World Economic Forum (WEF) in Geneva, Switzerland as a Project Fellow in Shaping the Future of Energy and Materials.
Wan Sayuti holds BSc in Chemical Engineering and BA in Economics from the University of Pennsylvania, USA. He graduated with MBA from Said Business School, University of Oxford, UK. He also completed Executive Certificate in Public Policy at Harvard Kennedy School.
