Greentech Festival Speakers

A visionary global sustainability leader with breakthrough insights, Vivian advises institutional investors, families and climate-tech startups on climate-smart investing, carbon markets, and cutting-edge sustainability strategies incorporating mitigation, adaptation and resilience. With 2 decades of expertise, leveraging AI and the latest research, she brings a unique perspective honed at Goldman Sachs, The World Bank, UBS and even Medecins sans Frontieres, where she served as financial controller in Liberia and board director in Brussels. A recognized thought leader-practitioner in climate, sustainability and transformative philanthropy, her leadership has been honored by the World Economic Forum, Asia Society, JCI TOYP, Prestige and Her World.

Mandy is the CEO & Co-Founder of ImpacFat (Singapore)- the world’s first stem-cell based “OMEGA-3 sustainable fish fat” biotechnology company. She has led the company to win various prestigious Awards and was featured as speaker by multiple international medias and conferences. Being Ex-Director of established F&B companies internationally for the past 10 years, she currently holds a position of “World Certified Sensory Judge” for the prestigious World Coffee Championship. On top of that, Mandy currently served as an Associate Lecturer in Republic Polytechnic, Singapore. She is also a well-established coach for Financial Education and Entrepreneurship.

Shu Ling leads marketing and communications across Asia Pacific & Middle East for Vodafone Business. With over 15 years of integrated marketing and communications experience in the technology sector, she has driven global and regional programs focused on driving brand awareness, customer engagement and business growth. Bringing to life go-to-market strategies with successful brand and customer events, and Public Relations program, Shu Ling’s previous experiences span across software marketing at SAS and Experian, and driving communications for B2B and B2C tech clients in PR consultancy firm, FleishmanHillard.

Martin Scaife spent most of his career developing high-speed, state-of-the-art diaper production factories for companies such as Procter & Gamble and industry OEMs. He recently decided to refocus his career direction, moving away from production technologies that generate diaper waste and focusing on new technologies capable of recovering and reusing that waste.Throughout Martin’s career, he has designed a multitude of high-speed production systems that are used globally today, holding 25 key patents in the hygiene sector. His recent innovations and patents focus on ESG and Clean Tech technologies.

Elke is a passionate green and cleantech advocate. She has been developing startup ecosystems and driving commercialization of cleantech in the energy and real estate sector. Currently Elke is driving sustainability in the real estate sector by advising clients on strategy, roadmaps and implementation.

Manvendra Yadav is co-founder of Hestiya and is actively collaborating with the Indian government to develop a green economy, aiming to boost farmers’ incomes and advance the agricultural sector. His hands-on experience extends to working closely with impoverished villagers, helping build essential infrastructure for social development. Manvendra has also been instrumental in raising funds for marginalized communities in India and has provided micro-financing to young entrepreneurs, empowering them to start their own ventures. With his solid background in marketing and finance, he is dedicated to raising awareness about sustainable living and promoting practices that can effectively combat climate change.

Leading the L’Oréal for the Future program for the SAPMENA Zone, Rohini’s key responsibility is to embed Sustainability into the way we do business. This involves initiatives across the business to transform itself to respect planetary boundaries, empower the extended ecosystem in their journey toward sustainability, and projects that contribute to solving urgent social and environmental issues that the world is facing.Rohini has 25 years of experience in brands-and-business from Unilever to Fonterra and holds a double major in Psychology&Sociology, she is trained in TransformationalLeadership with SingularityU & CircularEconomy with the EllenMcArthurFoundation and has BusinessSustainabilityManagement program at the CambridgeInstituteForSustainabilityLeadership, UniversityOfCambridge,UK.

Magdalena Jasiak is the Climate and Sustainability Business and Operations Director at Boston Consulting Group in Singapore. With extensive experience in business transformation and operational efficiency, she has successfully launched a new business line in the Asia Pacific. Previously, she held leadership roles in insurance and manufacturing, focusing on product innovation and strategic change. Magdalena is passionate about coaching young professionals and enjoys yoga and Ayurveda in her personal time. She is the proud mom of Timmy and Bianka.

With 15 years of expertise in product and process development within the CPG space, Dr. Louis Kutzler has launched seven global technical platforms, over 40 new products, and commissioned factories in five countries. Louis excels in delivering consumer-centered, environmentally friendly solutions, ensuring high-quality, market-aligned products that drive sustainability and innovation.

Rueban Manokara is the Global Lead of the Carbon Finance and Markets Taskforce, WWF. He oversees the policy development and implementation efforts related to carbon finance within WWF’s networks. Rueban also serves as a Technical Advisory Body member of CORSIA, the carbon reduction programme administered by the UN’s International Civil Aviation Organisation. Rueban previously served in the National Climate Change Secretariat in the Strategy Group, Prime Minister’s Office, Singapore as Singapore’s lead negotiator for Article 6 at the UNFCCC and coordinated the development of Singapore’s carbon marketpolicy. Rueban has a Masters in Law from the University of Oxford.

Mr Gabriel Tan is the CEO of GUAVA – the world leader in Sustainable Guest Amenities. Conferred the Global SDG Pioneer for Circular Economy, he pioneered the GUAVA Net-Zero Ecosystem that enables the world’s largest hospitality chains, airlines and cruise lines to drive growth, profitability and engagements through Sustainable Experiences for the guest touch points, in partnership with luxury & lifestyle Brands, governments and strategic partners in our global ecosystem.In support of global efforts to advance the SDGs, he serves on the board of UN Global Compact Network Singapore Advisory Committee, Singapore Business Federation Sustainability Action Committee and ACCA Global Forums.

Mr Lim Koon Min is the Deputy Director, Sustainability, at Pan-United Concrete the concrete arm of the Pan-United Corporation. He leads the company’s drive in its sustainable journey. Mr Lim has more than 15 years of experience in the concrete and cement industry. He formed the Pan-United Eco and Recycling Department and set up the company’s first concrete waste recycling plant in Singapore in 2010. Mr Lim also spearheaded the certification of many green concrete products which led to Pan-United being awarded the Leader status in 2017, the highest tier for green concrete, by the Singapore Green Building Council.

Valerie is an accomplished 360 marketer and business leader with marketing experience in consumer consumer & finance industries. She has 20 years of experience driving P&L, branding, & growth marketing. Today, she is a Marketing and Branding consultant for Fintech, Consumer and ESG industries. An advocate to conscious marketing.She is also an inspiring speaker who speaks about career pivots, personal branding, and responsible marketing. An Amazon best-seller author with the book “Shaken, Stirred but Not Deterred” in which she shared her career pivot story.A strong supporter of D&I and leadership development whereby she coaches and trains in self-promotion and leadership.

Dr Sumei Sun is the Executive Director of the Institute for Infocomm Research (I2R), A*STAR, Singapore. A*STAR I2R focuses on multi-disciplinary digital technologies research and innovation including artificial intelligence (AI), communications and connectivity, and cyber security. With strong passion in industry-relevant research and technology creation, Dr Sun has published more than 300 technical papers and invented/co-invented of over thirty patented technologies, with most of them licensed to industries. She’s a Fellow of the Academy of Engineering Singapore, Fellow of the IEEE, and recipient of the Public Administration Medal (Bronze) 2022 and the IEEE VTS Women’s Distinguished Career Award 2023.

Sidne currently manages the Asia office of Lufthansa Innovation Hub, a subsidiary of Lufthansa Group focused on pioneering the future of travel, and he also holds a role as a Pre-IPO Tech investor in Family Offices based out of Hong Kong and Singapore. With a background in founding startups in recruitment, e-commerce, and manufacturing, Sidne also brings extensive experience in business development and partnerships with prominent tech companies like Grab and foodpanda in the APAC region.

Ricardo is a corporate real estate expert and entrepreneur, known for driving global workplace and retail real estate strategies. As the Founder and CEO of The Common Blue Group, he’s creating a unique connection between workplace experience and sustainability practices. Ricardo has authored multiple peer-reviewed papers. He holds a Master’s Degree in International Construction Management from Tsinghua University and Professional Studies in Sustainability from MIT.

Prasoon Kumar is the Co-Founder and CEO of BillionBricks, pioneering income-generating, net-zero homes and communities. Founded in 2013 as a non-profit, BillionBricks impacted over 15,365 people in nine countries. In 2020, Kumar transformed it into a venture-funded for-profit enterprise, focusing on sustainable affordable housing innovation. A WTO Business Advisor and TEDx speaker, Kumar campaigns for social justice and climate solutions. His architectural background spans India, USA, Hong Kong, and Singapore. Under his leadership, BillionBricks has received numerous awards, including the President’s Design Award in Singapore and the Global Holcim Commendation Award, positioning it as a leader in sustainable solutions.

Emmanual is the CEO and Co-founder at Circular Unite, where he leads the charge in developing innovative solutions for waste management and recycling. With a profound passion for sustainability, Emmanual is committed to accelerate businesses transition to profitable sustainability. Building upon a knowledge library of data, benchmarks and best practices across businesses and industries.Beyond his role at Circular Unite, Emmanual is an advocate for sustainable practices and collaboration across the waste management ecosystem.

Jonathan is CEO of Muuse, a smart platform for returnable packaging in Asia and North America. Muuse works with clients like Starbucks, SaladStop! and Swire Properties to make reuse second nature, integrating tech into the circular economy to provide a simple and convenient alternative to single-use packaging.Jonathan began his career with the UK Government, specialising in UK aid in Africa. He made the transition to ‘business with purpose’ 8 years ago with Belu Water before co-founding Muuse. Outside of work, he likes to spend time with his family, swim, and discover new vegetarian recipes.

Kitty is an impact-driven leader passionate about catalyzing transitions towards net-zero economies at scale. As Vice President for Asia ex-India at GEAPP, she leads a team focused on investment opportunities for decarbonizing the region. With extensive experience at the intersection of business, policy, and finance, Kitty enables disruptive technologies and innovative business models to thrive. Previously, she served as the Asia Chief Representative for Impossible Foods, a leader in the plant-based meat sector. Kitty also launched the China program for the Rocky Mountain Institute’s energy transition initiatives and established a renewable energy practice at the European Climate Foundation.

A distinguished technology strategy expert, Tatiana Collins has worked extensively at the intersection of digital, data and emerging technology disciplines. She has enabled top-tier players in financial services, high-tech and digital media launch and scale commercially successful, innovative market solutions, with industry acclaim. A prominent industry thought leader, Collins brings deep insight in how the technology practices need to transform in the way that minimises digital waste through thoughtful, eco-efficient design. A sought-after global keynote speaker, she inspires and informs global leaders on the topics of Sustainability Strategy, Sustainable Technology, Environmental and Governance aspects of emerging technologies, data and AI.

Michael Sheren is a Global Green Finance, Governance and Policy Leader. He is a Former Bank of England Senior Advisor and G20 Co-Chairman of the Sustainable Finance Study Group. He is a Fellow at the Cambridge University Institute of Sustainable Leadership, a Senior Advisor to the UNDP Sustainable Finance Hub and a member World Economic Forum group of Sustainable Governance Experts. Michael is a global corporate Non-Executive Director and has over 25 years of experience in Investment banking based in New York and London. Michael holds master’s degrees from Harvard University, the London School of Economics and New York University

MJ is the co-founder of “Just Keep Thinking,” an educational media company that blends education and entertainment to create engaging content across social media, with a global audience of over 600,000 followers. Her work spans social media videos, wildlife documentaries on national television, and award-winning comic books on the environment. With a background in environmental biology and experience teaching Science, MJ is dedicated to raising awareness about biodiversity and sustainability. She also leads nature tours, workshops, and youth-focused programs. As a co-leader of a government-backed youth panel, MJ helps shape national environmental policies and guides youth participation in COP29.

Shanghai born entrepreneur and content creator. Executive producer of “Punked” China, a hit show that received over 5 billion views online. Producer of “Finding Miss China” a documentary series based on YueSai Kan, referred to as the Oprah Winfrey of China received over 20 million views in first week of streaming . Angel investor in digital fashion company Altava Group, a 2023 LVMH prize shortlisted company.