Who We Are
CLEARBOOK Energy Solutions is a Global Virtual Power Plant (VPP) Operations Business that Builds, Manufactures, Optimizes, Aggregates and Deploys Battery Energy Storage Systems across Commercial, Municipal and Residential Sectors
CLEARBROOK Energy Solutions
Clearbrook Energy Solutions is a wholly owned subsidiary of Clearbrook LLC.
Since 2004, Clearbrook LLC has earned a reputation as one of the most trusted global asset management and advisory firms. With $13B+ in assets under management and advisement, four SEC‐registered subsidiaries, and a presence across North America, Asia, and Europe, we deliver forward-looking investment solutions to institutions, families, and visionary investors worldwide. Our culture is entrepreneurial, collaborative, and high-growth, with employee benefits ranked among the top 5% in the U.S.
Clearbrook Energy Solutions has a unique market advantage, leveraging Clearbrook LLC’s balance sheet, personnel, advisory expertise, and global value-add relationships with institutional investors, energy partners, sovereign wealth funds, and governments.
Our Leadership Team
Elliott Wislar
Clearbrook Energy Solutions, Founder
Elliott Wislar is the CEO and Founder of Clearbrook, a $13 billion global asset management and advisory firm with a strong presence across Asia and Europe. He has created strategic partnerships with LG Nova, MUFG, and launched three NYSE-traded ETFs. Previously, he held senior roles at UBS, Fleet Bank, and The Boston Company, helping grow institutional AUM from $6B to $226B. Elliott is also an accomplished sailor, a published author, and holds a BA from the University of Arizona and an MBA from Thunderbird School of Global Management, with advanced studies at Kellogg.
John Iannone
Managing Director
John Iannone is a former Navy Nuclear Submariner and senior executive with 35+ years of leadership across engineering, operations, and manufacturing. He has led large-scale product development, facility construction, and automation initiatives in industries including data centers, pharmaceuticals, steel, and consumer goods. John is known for building high-performance teams, driving cultural transformation, and delivering complex programs—often exceeding $60M—on time and within budget. He has managed operations of 1,000+ employees for global organizations including IBM, Nucor, and Johnson & Johnson. John holds an MBA from Jacksonville University and a Bachelor of Applied Science from Thomas Edison University.
Nick Herrington
Senior Vice President of Technology and Energy Storage Services
Nick Herrington has over 15 years of experience in renewable energy, specializing in energy storage systems (ESS) and solar power. He has worked as a Senior Sales Engineer at LG Electronics and held leadership roles at Baker Electric and Independent Energy Solutions, overseeing large-scale projects and driving strategic initiatives. Known for combining technical expertise with strategic insight, Nick delivers scalable, sustainable solutions that help organizations achieve energy independence, reduce costs, and advance renewable energy adoption.
Harold Sharon
Managing Director
Harold Sharon joined Clearbrook as a Managing Director in 2023. Harold is a highly experienced Global Investment Executive who specializes in private/venture capital, public equity markets and strategic financial consulting. With an impressive track record in portfolio management, Harold has achieved exceptional success and received recognition for his award-winning performance.
Our Board of Directors
Sarah Biller
Director
Sarah is an entrepreneur, investor, and educator. She is the co-Founder of FinTech Sandbox, Capital Market Exchange (CMX), and Vantage Ventures. She also works across the public, private and academic sectors as an Advisor to senior executives and elected officials on matters related to the development and adoption of Artificial Intelligence, Data Infrastructure and Financial Technology. Previously, she was the COO for Innovation at State Street Bank and Head of the bank’s Innovation Ventures efforts and taught at Brandeis University. Sarah has also held roles at Fidelity Investments; worked on MCI’s corporate venture team; and launched and led research divisions for Fortune 500 CFOs and treasurers at the Corporate Executive Board. She holds a BS in Finance from West Virginia University and was conferred an honorary Doctor of Humane Letters by Davis & Elkins College for her professional and societal contributions.
Suzanne Grimes
Director
Suzanne is a seasoned media executive and strategic advisor with over 30 years of experience in content, media, and technology. She most recently served as President of Westwood One, the largest audio network in the U.S., where she launched a top podcast network and led major partnerships with the NFL, NCAA, and the Masters. Previously, she held leadership roles at iHeart Media, Reader’s Digest, Conde Nast, and News Corp, overseeing multi-billion-dollar operations that included the growth of the Rachel Ray franchise and the global expansion of Allrecipes.com. Early in her career, she worked at Nestlé in Switzerland and NPDC, a pioneer in data mapping. Suzanne currently advises Clearbrook, LLC, a global investment and asset management firm focused on sustainable investing. She holds a BS in Business Administration from Georgetown University.
John Shamsey
Director
John has an extensive background and expertise in building organizations and developing successful commercialization strategies. He has over 30 years of sales, marketing, and executive leadership experience with demonstrated success in business growth as a corporate executive and an entrepreneur. He was the Founder & former President of Evoke Navience, a full-service specialty strategy and marketing agency and led the organization to rapid growth and expansion to become one of the fastest growing market access agencies in the healthcare industry. He continues to provide executive consulting, is a Senior Advisor with ClearImpact Ventures on the Nova Prime I Fund, and serves as a Board Member for a number of private equity and VC backed companies. John earned both his Bachelor of Science in Business Administration and Masters in Business Administration from Villanova University.
