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, the accomplished professional who is stepping in as Head of Operations at GMD Technologies. 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 GMD in September 2024, he has been leading the company’s mining operations in Paraguay, where he focuses on maximising process efficiency through a groundbreaking initiative to capture and reuse 100% of the heat generated during mining activities. This approach not only reduces waste but also reinforces GMD’s dedication to environmentally conscious solutions in the Bitcoin mining sector.
Under Jode’s leadership, GMD is poised to set new standards for sustainable mining by combining technical expertise with a forward-thinking approach. His plans include optimising mining operations through advanced automation, exploring renewable energy partnerships, and championing innovative methods to reduce environmental impact.
As Jode takes on this role, his practical experience and visionary mindset will be crucial in steering GMD toward a future where profitability and sustainability are seamlessly aligned. Stakeholders can look forward to transparent leadership, continuous process improvements, and bold steps toward making Bitcoin mining a model of environmental responsibility. With Jode at the helm of operations, GMD is ready to redefine the potential of technology-driven, sustainable mining.
Miguel Monteiro
Head of Marketing & Community
Meet Miguel Monteiro, the creative visionary stepping in as Head of Marketing & Community at GMD Technologies. 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 GMD, he is committed to redefining how marketing and community engagement contribute to the company’s mission of sustainable Bitcoin mining. His strategy focuses on leveraging innovative campaigns, fostering genuine relationships within the community, and amplifying GMD’s brand through storytelling that highlights its commitment to sustainability and innovation.
Miguel’s goals include 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 make him a catalyst for building a vibrant and engaged GMD community.
As Miguel steps into his role, his creative vision and hands-on approach will be key to expanding GMD’s reach and influence. Expect a fresh focus on authentic communication, dynamic content, and boundary-pushing strategies that redefine the traditional.