Sascha Grumbach
Founder & CEO
Meet Sascha Grumbach, the visionary founder and CEO of Green Mining DAO. Sascha has spent the past two years spearheading the creation of a tokenized Bitcoin mining company with a commitment to sustainability and reducing carbon emissions.
His mission? To build the most forward-thinking, community-owned Bitcoin mining ecosystem in the world. But that’s just the beginning.
From sourcing renewable energy at competitive prices to creating a unique investment platform, Sascha’s dedication to sustainability and community ownership is at the core of Green Mining DAO.
Sascha’s entrepreneurial journey includes founding over 10 startups, raising more than €7 million in equity, and assembling high-performing teams. As Head of Innovation at CARSYNC GmbH, he redefined fleet management with cutting-edge software solutions. At The Argonauts, a global community for innovators, executives, and entrepreneurs, he fostered connections aimed at driving world-changing impact.
His diverse roles have equipped him with a wide range of skills, from product development and leadership to software development and digital transformation.
Sascha has been fascinated by blockchain technology since 2015, actively engaging in the crypto space through speaking engagements and organizing meetups.
His superpower? Execution.
Sascha doesn’t just dream big — he makes those dreams a reality. With a relentless focus on execution, he is leading Green MiningDAO in its mission to revolutionize the financial industry through sustainable Bitcoin mining.
Valentine Pleser
Co-Founder & CGO
Introducing Valentine Pleser, a dynamic community builder and a pioneer in sustainable innovation.
As the Co-Founder of Green Mining DAO, Valentine, alongside Sascha, led a highly successful private sale that garnered substantial support, setting the stage for the company’s eco-friendly operations in Paraguay. Together, they launched the first-ever DAO dedicated to mining green Bitcoin.
Valentine's career spans roles at The Argonauts, Accenture, and BearingPoint, where she honed her expertise in product development, experience design, and community management. This diverse background makes her a powerful force at Green Mining DAO, where she applies her strategic thinking and creative skills to drive the company’s vision forward.
A recognized thought leader in her field, Valentine is a sought-after speaker on topics such as DAOs, leadership development, and the future of sustainable technology.
At Green Mining DAO, her knack for experience management, innovative marketing strategies, and product development has been transformative, driving growth and fostering a vibrant community.
Valentine's passion for sustainability and community-driven innovation is central to her work, making her an invaluable leader within Green Mining DAO.
And here’s a fun fact: before diving into tech and sustainability, Valentine worked as an art dealer, showcasing her multifaceted interests and talents.
Jode Wardell
Head of Operations
Meet Jode Wardell, Head of Operations at Green Mining DAO. With over 30 years of experience in automation and engineering, Jode has played a pivotal role in advancing the UK energy sector, contributing to landmark projects for The National Grid. His impressive track record also includes designing and implementing complex systems for high-profile initiatives with the UK government, showcasing his ability to deliver innovative solutions at scale.
Jode’s vision for Bitcoin mining goes beyond efficiency. He is committed to revolutionising the industry by integrating cutting-edge technology with sustainable practices. Since joining in September 2024, he has led the company’s mining operations in Paraguay, focusing on maximising process efficiency through a groundbreaking initiative to capture and reuse 100 percent of the heat generated during mining activities. This approach not only reduces waste but also reinforces Green Mining DAO’s dedication to environmentally conscious solutions in the Bitcoin mining sector.
With Jode at the helm of operations, Green Mining DAO is setting new standards for sustainable mining by combining technical expertise with a forward-thinking approach. His ongoing plans include optimising mining operations through advanced automation, exploring renewable energy partnerships, and championing innovative methods to reduce environmental impact.
Jode’s practical experience and visionary mindset are central to steering the company toward a future where profitability and sustainability are seamlessly aligned. Stakeholders can rely on transparent leadership, continuous process improvements, and bold steps toward making Bitcoin mining a model of environmental responsibility.
Miguel Monteiro
Head of Investor Relations
Meet Miguel Monteiro, Head of Investor Relations at Green Mining DAO. With over 15 years of experience in the creative industries, Miguel has built a dynamic career at the intersection of advertising, fintech, and the ever-evolving Bitcoin and crypto landscape—a space that has captured his imagination since 2017. His background blends a passion for storytelling, a sharp eye for photography, and an entrepreneurial spirit that drives him to innovate and inspire.
Miguel envisions a world where Bitcoin and creativity converge to build stronger communities and inspire meaningful connections. At Green Mining DAO, he has been redefining how marketing and community engagement contribute to the company’s mission of sustainable Bitcoin mining. His strategy centers on leveraging innovative campaigns, fostering genuine relationships within the community, and amplifying the brand through storytelling that reflects its commitment to sustainability and innovation.
Miguel’s work focuses on crafting compelling narratives that resonate with stakeholders, driving initiatives that bridge the gap between technology and people, and creating platforms that encourage collaboration and shared purpose. His fresh ideas and resourceful approach continue to make him a catalyst for building a vibrant and engaged community.
Through his creative vision and hands-on approach, Miguel is expanding Green Mining DAO’s reach and influence. His leadership brings a clear focus on authentic communication, dynamic content, and bold strategies that push beyond conventional boundaries.
Jan Horak
Head of Communications
Meet Jan Horak, Head of Communications at Green Mining DAO. An accomplished communications strategist and tech marketing expert, Jan brings more than 15 years of experience building and leading international teams in fast-paced and high-growth environments. His work spans the intersection of Web3, GreenTech, and FinTech, where emerging technologies meet real-world application.
Jan is known for launching and scaling communications functions from the ground up, especially in startup and scale-up settings. He has advised founders and leadership teams on how to craft communications strategies that align with business goals and inspire meaningful engagement.
At Green Mining DAO, Jan leads efforts to elevate the brand through storytelling that connects innovation with impact. He specializes in translating complex technology into clear narratives that highlight practical use cases and long-term value for communities and stakeholders.
Jan is driven by a belief in the power of communication to create understanding and momentum. He is passionate about using storytelling to showcase how digital technologies can reshape industries and contribute to a more sustainable future.
Under Jan’s leadership, Green Mining DAO has sharpened its voice, strengthened its messaging, and deepened its connection with the broader ecosystem. His work continues to bring clarity and purpose to how we communicate our mission and values.