Spearmint Energy Strengthens Leadership with Michael Weinstein’s Promotion to EVP, Corporate Development
Spearmint Energy (“Spearmint” or the “Company”), a next-generation energy company focused on delivering stable, secure, and cost-effective solutions to modern power grids through large-scale battery storage, has announced the appointment of Michael Weinstein as Executive Vice President, Corporate Development, effective immediately. The move reflects Spearmint’s continued commitment to scaling its operations, strengthening investor relationships, and accelerating growth in the rapidly evolving energy storage sector.
Weinstein brings more than 25 years of experience spanning banking, fund management, and investor relations, with a strong emphasis on the energy industry. In his new role, he will oversee and advance the Company’s corporate development strategy, including initiatives related to strategic partnerships, capital formation, mergers and acquisitions, and broader growth-focused development opportunities. His appointment comes at a time when demand for reliable, flexible energy infrastructure is increasing, driven by the global transition toward cleaner power systems and the growing importance of grid resilience.
Since joining Spearmint in January 2025, Weinstein has already made a notable impact on the organization. He has played a central role in supporting capital-raising activities, helping the Company secure financial backing necessary to expand its battery energy storage portfolio. In addition, he has strengthened relationships with both existing and prospective investors, contributing to a more robust and diversified investor base. His efforts have also enhanced the Company’s external communications, refining how Spearmint articulates its value proposition around grid reliability, energy security, and long-term growth potential.
Internally, Weinstein has contributed to the development of processes and frameworks that support scalable growth. By aligning financial strategy with operational priorities, he has helped position Spearmint to efficiently pursue new opportunities in a competitive and capital-intensive market. In his expanded leadership role, he will work closely with the executive team to evaluate and execute initiatives that align with the Company’s long-term strategic objectives, ensuring that Spearmint remains agile and well-positioned in a dynamic energy landscape.
Andrew Waranch, Founder, President, and Chief Executive Officer of Spearmint, emphasized the significance of Weinstein’s contributions and the importance of his new role in the Company’s next phase of growth. Waranch noted that Weinstein has been instrumental in deepening Spearmint’s engagement with the energy investment community, leveraging his extensive experience to guide the Company through a period of rapid expansion.
According to Waranch, as Spearmint continues to scale its operations and broaden its battery energy storage footprint, Weinstein’s leadership will be critical in maintaining momentum. His expertise in capital markets and strategic development is expected to support the Company’s efforts to expand into new markets, forge meaningful partnerships, and deliver reliable, cost-efficient energy solutions. Waranch highlighted that Weinstein’s ability to bridge financial strategy with operational execution has already positioned the Company for sustained success.
Weinstein expressed enthusiasm about his expanded responsibilities and the opportunity to further contribute to Spearmint’s mission. Reflecting on his tenure with the Company thus far, he noted that he is proud to have supported its growth and helped strengthen relationships with investors as Spearmint scaled its platform. He also emphasized the importance of delivering reliable energy solutions to communities, particularly as demand for resilient grid infrastructure continues to rise.
Looking ahead, Weinstein stated that he is eager to build on this foundation and drive forward initiatives that enhance the Company’s capabilities and market presence. His focus will include identifying strategic opportunities that not only support financial growth but also reinforce Spearmint’s commitment to improving grid stability through advanced energy storage solutions.
Before joining Spearmint, Weinstein held several senior roles across the energy and financial sectors, building a diverse and accomplished career. Most recently, he served as Head of Investor Relations at SunPower Corporation, where he was responsible for managing communications with the investment community and shaping the company’s market narrative. His work at SunPower provided him with valuable insights into the renewable energy sector and the evolving expectations of investors.
Earlier in his career, Weinstein led the equity research team covering utilities and alternative energy at Credit Suisse. During his tenure, he earned recognition for his expertise and leadership, including a runner-up ranking in the 2019 and 2020 Institutional Investor All-America Alternative Energy team poll. This recognition underscored his deep understanding of the energy sector and his ability to provide strategic insights into market trends and investment opportunities.
Weinstein’s professional background also includes roles at prominent financial institutions such as UBS O’Connor, Zimmer Lucas Partners, Allegheny Energy, and Goldman Sachs. Across these positions, he developed a comprehensive skill set that spans investment analysis, portfolio management, and strategic advisory, all of which he now brings to his role at Spearmint.
In addition to his corporate experience, Weinstein has a distinguished background in public service. He is a graduate of the United States Naval Academy, where he earned a Bachelor of Science degree in physics. Following his graduation, he served in the Persian Gulf in support of Operation Desert Storm, gaining leadership experience in high-pressure environments.
He later pursued further education at Georgetown University Walsh School of Foreign Service, where he earned a Master of Arts degree in national security policy. This combination of technical education, military service, and financial expertise has shaped his strategic perspective and leadership approach, enabling him to navigate complex challenges and drive impactful outcomes.
Spearmint’s decision to elevate Weinstein to Executive Vice President, Corporate Development, signals the Company’s intent to accelerate its growth trajectory and strengthen its position in the energy storage market. As the global energy transition continues to unfold, battery storage is playing an increasingly vital role in enabling renewable integration, enhancing grid reliability, and supporting energy security.
With Weinstein at the helm of corporate development, Spearmint is well-positioned to capitalize on emerging opportunities and expand its influence within the sector. His leadership is expected to play a key role in guiding the Company through its next phase of expansion, ensuring that it continues to deliver innovative and reliable energy solutions that meet the evolving needs of the modern power grid.
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