Coffee with Changemakers

Robin & Yoshi

On the ‘Coffee with Changemakers’ podcast, we explore the stories of changemakers taking on some of today’s biggest social and environmental challenges. Every episode, we host an intimate conversation on social impact and leadership, where we listen, learn, and connect with inspiring guests from all over the world. Join us as we meet remarkable social entrepreneurs and innovators driving positive change on the front lines, one cup of coffee at a time!

  1. From Singapore Roots to Tokyo Rooftops: Transforming Cities Through Urban Farming

    06/25/2025

    From Singapore Roots to Tokyo Rooftops: Transforming Cities Through Urban Farming

    Robyn Natsuko Shinozaki is the founder of Green Neighbors, a social enterprise reimagining how cities grow food, foster connection, and promote sustainable living. Drawing on her multicultural upbringing in Japan and Singapore, Robyn blends urban farming with community engagement to transform underused city spaces into thriving green ecosystems. In this episode, Robyn shares her journey from growing up between two cultures to launching Green Neighbors in Tokyo - a grassroots movement that brings people together through foodscaping, sustainability workshops, and local agriculture. We dive into the challenges of introducing new environmental ideas in Japan, the power of community collaboration, and how urban farming can shift not only landscapes but also mindsets. Robyn also reflects on the lessons she’s learned as a social entrepreneur, her vision for scaling Green Neighbors, and how food can be a powerful tool for connection and climate action. Join us for an inspiring conversation about green cities, social impact, and the future of food in urban life.   Highlights: 00:00 Introduction to Robyn's Journey 05:10 Roots and Early Influences 09:09 Inspiration from Singapore's Urban Farming 15:27 Starting Green Neighbors 21:05 Challenges in the Japanese Market 27:55 Community Engagement and Workshops 33:25 Impact on Local Communities 39:00 Future Vision for Green Neighbors 43:14 Lessons Learned and Advice 54:02 Conclusion and Contact Information   Follow Robyn and her team at Green Neighbors here: https://www.greennbs.com Follow the Green Neighbors Instagram accounts here: https://www.instagram.com/greenneighbors.co/

    42 min
  2. The Future Is Youth: Emre Caglar on Purpose and Impact

    05/21/2025

    The Future Is Youth: Emre Caglar on Purpose and Impact

    Emre Caglar is the founder of Youth for a Future, a nonprofit organization working to empower children living in orphanages across Japan through education, mentorship, and self-discovery. In this episode, Emre shares his journey from launching a student club focused on the UN’s Sustainable Development Goals (or SDGs) to building a growing youth-led movement for social impact. We delve into the challenges of working in the nonprofit sector, the emotional weight of leadership, and the deep importance of sustainability and collaboration when creating lasting change. Emre also reflects on how a pivotal experience at the One Young World summit shaped his vision and helped him build a community around youth empowerment. From quiet moments of connection in Japan’s orphanages to big-picture dreams for the future of education, Emre brings a thoughtful and grounded perspective to social entrepreneurship. Join us for an inspiring conversation about purpose, resilience, and the transformative power of giving young people the tools to shape their own futures. Highlights: 00:00 Empowering Youth for a Brighter Future 10:06 The Journey of Youth for Future 20:05 Impacting Lives: Stories from the Orphanages 30:10 Challenges and Growth in Nonprofit Leadership Follow Emre and his team at Youth for Future here: https://www.yfforg.com/ Follow Emre’s LinkedIn and Instagram accounts here: https://www.linkedin.com/in/emrecaglar2005/ https://www.instagram.com/emre._caglar/

    36 min
  3. Transforming Climate Finance: How Creattura Makes Impact Investable

    04/09/2025

    Transforming Climate Finance: How Creattura Makes Impact Investable

    Zachary Brown is a Co-Founder of Creattura, a climate tech startup dedicated to reducing methane emissions from rice farming through cutting-edge AI, satellite data, and sustainable agricultural practices. In this episode, Zachary shares his inspiring journey from a self-taught tech enthusiast to a social entrepreneur driving innovation in climate solutions. He delves into the challenges of integrating technology with agriculture, particularly in addressing the significant environmental impact of rice farming. Zachary also discusses the importance of data-driven solutions, the role of carbon credits in promoting sustainable practices, and the critical need for community engagement in successful climate projects. Through personal stories, he reflects on the lessons learned from his transition into social entrepreneurship, his motivations for tackling climate change, and his vision for the future of sustainable agriculture in Southeast Asia and Japan. Join us for a thought-provoking conversation with Zachary on how technology, collaboration, and innovation are shaping a more sustainable future. Highlights: 00:00 Introduction to Climate Tech and Creattura 02:11 Zach's Background and Journey into Tech 05:41 Life in Zambia and Its Influence 10:27 The Birth of Creattura and Its Mission 16:47 Addressing Methane Emissions from Rice Farming 20:37 Innovative Solutions for Sustainable Agriculture 24:09 Utilizing Satellite Technology for Climate Impact 28:00 Harnessing Satellite Data for Agricultural Innovation 32:05 Community Engagement in Agricultural Projects 34:57 Personal Stories of Impact and Inspiration 39:01 Lessons from Social Entrepreneurship 40:58 Ensuring Integrity in Carbon Credits 45:59 Future Projects and Expansions   Follow Zachary and his team at Creattura here: https://creattura.com/

    53 min
  4. From Food Waste to Agri-Tech Breakthrough: The EF Polymer Story

    03/24/2025

    From Food Waste to Agri-Tech Breakthrough: The EF Polymer Story

    Narayan Lal Gurjar, the founder and CEO of EF Polymer, has a mission to solve one of agriculture’s most pressing issues—water scarcity. Hailing from a farming community in Rajasthan, India, Narayan’s journey into agri-tech was deeply personal, inspired by his father’s struggles with water shortages. In this episode, Narayan opens up about his entrepreneurial journey, sharing the challenges, setbacks, and successes in creating a sustainable, food waste-derived solution that helps farmers thrive in water-scarce areas. He reflects on the importance of perseverance and resourcefulness, stressing how crucial these traits were in transforming his idea into a reality. Narayan also touches on the critical role mentorship, education, and community support played in his growth. Join us for an insightful conversation on innovation, sustainability, and how Narayan’s vision is making a lasting impact on both farmers and the planet. Discover the trials of building a startup from the ground up and the valuable lessons that have shaped his path toward empowering millions of farmers worldwide. Highlights 00:00 Introduction to Narayan Lal Gurjar and EF Polymer 02:32 Narayan's Early Life and Inspiration 12:10 The Journey of Innovation and Prototype Development 26:30 Overcoming Challenges and Building a Startup 29:18 Innovative Solutions for Water Scarcity 30:54 Overcoming Challenges in Entrepreneurship 41:23 Key Learnings and Reflections 46:56 Scaling and Future Aspirations 48:14 What Not to Do as an Entrepreneur Follow Narayan and his team at EF Polymer here: https://efpolymer.com/

    54 min
  5. 02/04/2025

    Turning Risks into Rewards: Impact Investing in Africa

    Riki Yamauchi is a venture capitalist at Novastar Ventures, focused on driving sustainable growth through impactful investments in Africa. In this episode, Riki shares his journey from a successful finance career in Japan to becoming a leading advocate for startup innovation in Africa.  Riki discusses the unique opportunities and challenges of venture capital in Africa, highlighting how startups are innovating to solve local problems and drive positive change. He also reflects on the importance of measuring impact in his investments, the critical role of building trust in the venture capital space, and how young entrepreneurs are shaping Africa’s future. Join us as Riki shares his personal experiences, lessons learned from navigating a new market, and offers advice to aspiring changemakers looking to make a difference through business and investment. Don’t miss this insightful conversation on entrepreneurship, sustainable growth, and the transformative potential of venture capital in Africa.   Highlights:   03:11 Riki's Journey: From Finance to Venture Capital 06:02 Understanding Venture Capital: A New Perspective 15:07 Spotlight on Startups: Innovations in Africa 17:56 Life in Kenya: Surprises and Insights 21:14 Challenges Faced: Personal and Professional Growth 24:05 The Drive for Impact: Riki’s Motivation 26:58 Reflections on Growth: Lessons Learned 29:46 Advice for Aspiring Change Makers 33:09 Future Endeavors: What's Next for Riki and NovaStar Follow Riki and his team at Novastar Ventures here:https://www.novastarventures.com/

    45 min

About

On the ‘Coffee with Changemakers’ podcast, we explore the stories of changemakers taking on some of today’s biggest social and environmental challenges. Every episode, we host an intimate conversation on social impact and leadership, where we listen, learn, and connect with inspiring guests from all over the world. Join us as we meet remarkable social entrepreneurs and innovators driving positive change on the front lines, one cup of coffee at a time!