Team

Meet the Brains Behind Hagal’s Revolutionary Products
Driving the Future of Renewable Energy.
Meet the Brains Behind Hagal’s
Revolutionary Products Driving the
Future of Renewable Energy.

The Team Powering Innovation at Hagal.

We are inventors. We are problem solvers. We spearhead new technologies. We create positive energy.

We are inventors.
We are problem solvers.
We spearhead new technologies.
We create positive energy.

Management:

Christian Fredrik Ringvold

Co-Founder & CEO

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Christian Fredrik Ringvold

Christian Fredrik Ringvold career includes senior positions at LithiumWerks and A123 Systems, solidifying his expertise in the renewable energy sector, particularly with in the lithium battery space.

Recognized as a pioneer in CleanTech and sustainability, Christian has established himself as a successful serial entrepreneur and respected leader. His track record includes achievements in both battery renewables and medtech industries.

Christian’s proven ability to guide startups, develop impactful marketing strategies, and craft strategic business plans has led to two successful exits, demonstrating his exceptional leadership qualities.

Deeply committed to Hagal’s mission of “Building awesome tech and teams to preserve our planet…” Christian’s unwavering dedication to environmental sustainability exemplifies visionary leadership and inspires the entire company.

Jonathan Edvard Bjerkedok

Chief Technical Officer

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Jonathan Edvard Bjerkedok

Jonathan Edvard Bjerkedok boasts a distinguished career marked by technological innovation. Prior to joining Hagal, his service in the Royal Norwegian Navy.

Mr. Bjerkedok solidified his industry expertise through roles at Inventas and Bitvis AS. There, he made significant contributions to the development of cutting-edge technologies, particularly as a skilled FPGA Developer.

His educational foundation from the Royal Norwegian Naval Academy, emphasizing military strategy and operations, further strengthens his capabilities as both a leader and a technologist.

Hans Jørgen Fosse

Head of Hardware Engineering

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Hans Jørgen Fosse

Hans Jørgen Fosse leads Hagal’s hardware engineering team, driving the development of clean technologies.

With expertise in electronics and software, he excels at managing teams and developing cutting-edge products. Prior experience at industry leaders like Inventas and Bitvis AS honed his skills in hardware, specifically battery systems and product development.

This experience solidified his expertise in hardware engineering, particularly in areas like battery management systems (BMS), battery energy storage systems (BESS), and product development, testing, and certification processes.

Kristoffer Røsgaard

Head of Finance

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Kristoffer Røsgaard

Kristoffer Røsgaard, Hagal’s Head of Finance, plays a critical role in steering the company towards financial stability and growth. His expertise lies in crafting strategic financial plans that fuel Hagal’s mission of developing clean tech solutions.

Prior to joining Hagal, Kristoffer honed his skills in financial management and business development at NORSKE SKOGINDUSTRIER ASA, where he held the position of Manager of Treasury and Business Development.

This experience, combined with his academic foundation – a Master’s degree in Finance from BI Norwegian Business School.

Kristoffer doesn’t just manage the books; he’s a strategic thinker who uses innovative financial ideas to ensure Hagal’s long-term sustainability.

Caroline Langtangen

Head of Operations & Compliance

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Caroline Langtangen

Caroline Langtangen, Hagal’s Head of Operations & Compliance, plays a critical role by ensuring the company is compliant and by organizing and follow up on internal and external processes and projects.
 
Prior to joining Hagal, Caroline honed her skills in project management at SANDS, where she held the position as Paralegal for the Energy, Shipping & Offshore team.
 
Caroline holds a BSc. in HR, Organizational Psychology and Management from Kristiania University College and a Executive Bachelor’s course in Project Management from BI Norwegian Business School.

Eivind Aarnes Nilsen

Legal Counsel

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Eivind Aarnes Nilsen

Eivind has a strong foundation in legal and strategic roles across the energy, finance, and environmental sectors. As Hagal’s Legal Counsel, Eivind brings extensive expertise in legal risk management, compliance, and regulatory frameworks, supporting the company’s operational and strategic initiatives.

His background also includes senior positions at SANDS Advokatfirma and Arntzen de Besche.
 
Eivind earned a Master’s in Law from the University of Oslo, with a focus on transaction costs and allowance allocation methods, and holds a Bachelor’s in Finance from Sør-Trøndelag University College.

Board & Advisors:

Christian Fredrik Ringvold

Chair of the Board

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Christian Fredrik Ringvold

Christian Fredrik Ringvold career includes senior positions at LithiumWerks and A123 Systems, solidifying his expertise in the renewable energy sector, particularly with in the lithium battery space.

Recognized as a pioneer in CleanTech and sustainability, Christian has established himself as a successful serial entrepreneur and respected leader. His track record includes achievements in both battery renewables and medtech industries.

Christian’s proven ability to guide startups, develop impactful marketing strategies, and craft strategic business plans has led to two successful exits, demonstrating his exceptional leadership qualities.

Deeply committed to Hagal’s mission of “Building awesome tech and teams to preserve our planet…” Christian’s unwavering dedication to environmental sustainability exemplifies visionary leadership and inspires the entire company.

Angus Taylor

Advisor

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Angus Taylor

Angus Taylor’s extensive career spans over 20 years in executive management consulting roles, notably with ACFT Consulting LLC and Hexagon Manufacturing Intelligence, where he served as President & CEO.

With a focus on high-performance leadership and strategic guidance, Angus brings over two decades of experience across various advanced technology sectors, including aerospace, automotive, electronics, power generation, medical, and plastics industries.

In alignment with his belief in the five rules of business—Shareholder Equity, Cash Flow, Teamwork, Avoiding Self-Deception, and Fun—Angus Taylor brings a comprehensive understanding of brand equity and a track record of driving sustainable growth and profitability through strategic leadership and effective management practices.

Steve Kirkpatrick

Advisor

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Steve Kirkpatrick

Steve Kirkpatrick – business development professional who boasts a distinguished career spanning over three decades, marked by impactful leadership and strategic acumen.

With roles at REMINC, North Sails, Focal Upright Furniture LLC, KTP Advisors, and other companies, he excels in guiding clients to drive sustainable revenue and profit growth.

Steve brings a wealth of experience in operating companies, startups, investment management, and investment banking, complemented by a robust portfolio of board roles in both for-profit and nonprofit institutions.

With expertise in finance, marketing, and entrepreneurship honed through his MBA education at Wharton School, Steve remains a driving force in fostering growth, innovation, and sustainable business practices.