Greenbriar (OTC: GEBRF) taps Dominique Ramuz to lead renewable advisory board

Rhea-AI Filing Summary

Greenbriar Sustainable Living Inc. has appointed Dominique Ramuz, a 55-year-old Swiss executive, as Managing Director of its Renewable Energy Advisory Board. He brings more than 25 years of experience in energy, infrastructure, corporate governance, and high-growth business development, with a focus on energy transition and sustainable infrastructure.

To align incentives, Dominique will immediately receive 200,000 stock options with a three-year term at an exercise price of CAD $0.55. The company highlights his track record in managing major investments, leading multidisciplinary teams, and supporting growth, governance, and innovation for public and private organizations and international investors.

Key Figures

Age of appointee: 55 years Experience: More than 25 years Stock options granted: 200,000 options +2 more

5 metrics

Age of appointee 55 years Age of Dominique Ramuz at appointment

Experience More than 25 years Strategic leadership and high-growth business expertise

Stock options granted 200,000 options Granted immediately to Dominique Ramuz

Option term 3 years Term of stock options granted to Dominique Ramuz

Option exercise price CAD $0.55 Exercise price for 200,000 options granted

Key Terms

Renewable Energy Advisory Board, stock options, forward-looking statements, TSX Venture Exchange, +1 more

5 terms

Renewable Energy Advisory Board financial

"Greenbriar Appoints Dominique Ramuz as Managing Director of the Renewable Energy Advisory Board"

stock options financial

"Dominique will immediately receive 200,000 three-year stock options at CAD $0.55."

Stock options are agreements that give a person the right to buy or sell a company's stock at a specific price within a certain time frame. They are often used as a reward or incentive, similar to a coupon that can be used later if the stock price rises, allowing the holder to make a profit.

forward-looking statements regulatory

"This news release contains forward-looking information and forward-looking statements within the meaning of applicable Canadian and United States securities laws"

Forward-looking statements are predictions or plans that companies share about what they expect to happen in the future, like estimating sales or profits. They matter because they help investors understand a company's outlook, but since they are based on guesses and assumptions, they can sometimes be wrong.

TSX Venture Exchange regulatory

"Neither the TSX Venture Exchange nor its Regulation Service Provider accepts responsibility for the adequacy or accuracy of this release."

A junior stock exchange in Canada where smaller, early-stage companies list shares to raise capital and gain public visibility. Think of it as a farmers’ market for young businesses: it offers investors a chance to buy into fast-growing but higher-risk ventures, with looser listing rules and typically lower liquidity than major exchanges. It matters because performance and financing on this exchange can signal growth prospects or risk for investors.

MD&A financial

"Additional information regarding risks and uncertainties is described under the heading "Risks and Uncertainties" in the Company's most recently filed MD&A"

Management’s Discussion and Analysis (MD&A) is a section of a company’s financial filing where executives explain recent results, the reasons behind changes, risks faced, and expectations for the future in plain language alongside the numbers. Investors use it like an owner’s narrative to understand the story behind the raw financial data — what drove performance, potential pitfalls, and management’s plans — helping judge whether the company’s numbers are likely to improve or worsen.

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FAQ

What executive change did Greenbriar Sustainable Living (GEBRF) announce?

Greenbriar Sustainable Living appointed Dominique Ramuz as Managing Director of its Renewable Energy Advisory Board. He is an experienced executive with over 25 years in energy, infrastructure, and business transformation, focused on energy transition and sustainable infrastructure projects.

Who is Dominique Ramuz in the context of Greenbriar Sustainable Living (GEBRF)?

Dominique Ramuz is the new Managing Director of Greenbriar’s Renewable Energy Advisory Board. A 55-year-old Swiss national, he has extensive board and executive experience in energy, infrastructure, strategic leadership, and corporate governance across public, private, and investor-backed organizations.

What equity compensation did Greenbriar (GEBRF) grant to Dominique Ramuz?

Greenbriar granted Dominique Ramuz 200,000 stock options. These options have a three-year term and an exercise price of CAD $0.55, providing equity-based incentive alignment with shareholders as he leads the Renewable Energy Advisory Board’s strategic advisory work.

What is the role of Greenbriar’s Renewable Energy Advisory Board?

The Renewable Energy Advisory Board supports Greenbriar’s strategy in renewable energy and sustainable infrastructure. Under Managing Director Dominique Ramuz, it is intended to contribute to growth, governance, innovation, strategic partnerships, and complex project delivery in energy transition-focused businesses.

How does Greenbriar (GEBRF) describe its core business focus?

Greenbriar describes itself as a leading developer of sustainable real estate and renewable energy. It targets long-term, high-impact projects and deep-valued assets, aiming for accretive shareholder value through an experienced operating and development team in sustainable infrastructure.

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16
UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of May 2026

Commission File No. 000-56391

Greenbriar Sustainable Living Inc.
(Translation of registrant's name into English)

632 Foster Avenue
Coquitlam, British Columbia, Canada V3J 2L7

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F

Form 20-F ☑ Form 40-F ☐

SUBMITTED HEREWITH

Exhibits

Exhibit		Description
99.1		News Release dated May 18, 2026

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Greenbriar Sustainable Living Inc.

/s/ Jeff Ciachurski
______________________________________
Jeff Ciachurski
Chief Executive Officer

Date: May 18, 2026

Greenbriar Sustainable Living Inc.
Greenbriar Capital Holdco Inc. 
Greenbriar Capital (US) LLC 632 Foster Avenue, Coquitlam, British Columbia, Canada V3J 2L7
Phone: 949.903.5906    Fax: 604.608.9572
www.greenbriarliving.com

NEWS RELEASE

Greenbriar Appoints Dominique Ramuz as

Managing Director of the Renewable Energy Advisory Board

May 18, 2026 Trading Symbol: 
TSX Venture Exchange: GRB
US OTC Market:  GEBRF

Scottsdale, Arizona, May 18, 2026 - Greenbriar Sustainable Living Inc. (TSXV: GRB) (OTC: GEBRF) ("Greenbriar" or the "Company") announces that Dominique Ramuz, 55, Swiss national, is appointed Managing Director of the Renewable Energy Advisory Board.

Dominique is an experienced executive and board member in the fields of energy, infrastructure, and business transformation. He brings more than 25 years of expertise in strategic leadership, corporate governance, and the development of high-growth businesses.  His career has been distinguished by the management of major investments, the leadership of multidisciplinary teams, and the delivery of complex projects related to energy transition and sustainable infrastructure. Accustomed to operating within boards of directors and executive management environments, he combines strategic vision, operational execution, and collaborative leadership in demanding and fast-evolving contexts.

Jeff Ciachurski, CEO of Greenbriar states: "We are thrilled to have Dominique join our advisory board. Through his roles as executive leader, board member, and strategic advisor, Dominique currently supports public and private organizations as well as international investors in addressing growth, governance, and innovation challenges. His experience in structuring new business activities, developing strategic partnerships, and supporting organizational transformation represents a key asset for a high-impact advisory board. Recognized for his pragmatic approach, his ability to build trust, and his talent for aligning stakeholders around common objectives, contributes immensely to value creation and executive-level strategic decision-making."

Dominique will immediately receive 200,000 three-year stock options at CAD $0.55.

About Greenbriar Sustainable Living Inc.

Greenbriar is a leading developer of sustainable real estate and renewable energy. With long-term, high impact projects and led by a successful industry-recognized operating and development team, Greenbriar targets deep valued assets directed at accretive shareholder value.

ON BEHALF OF THE BOARD OF DIRECTORS

"Jeff Ciachurski"

Jeffrey J. Ciachurski
Chief Executive Officer and Director
Phone: 949.903.5906

"Greenbriar Capital Corp. was recognized as a TSX Venture 50^® company in 2014 and 2023. 
TSX Venture 50 is a trade-mark of TSX Inc. and is used under license."

Toronto Venture Exchange Symbol: GRB | US OTC Symbol: GEBRF

- 2 -

Neither the TSX Venture Exchange nor its Regulation Service Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

This news release contains forward-looking information and forward-looking statements within the meaning of applicable Canadian and United States securities laws (collectively, "forward-looking statements"). Forward-looking statements relate to future events or future performance. Forward-looking statements are often identified by words such as "anticipate", "believe", "plan", "estimate", "expect", "potential", "target", "budget", "propose" and "intend", and similar expressions, including statements that events or results "may", "will", "should", "could" or "might" occur.

Forward-looking statements are based on assumptions and expectations regarding future events and involve known and unknown risks, uncertainties and other factors that may cause actual results to differ materially from those expressed or implied by such statements. These factors include, among other things, general economic, market conditions, and regulatory approvals. There can be no assurance that forward-looking statements will prove to be accurate and actual results and future events may differ materially from those anticipated in such statements.

Readers are cautioned not to place undue reliance on forward-looking statements. Additional information regarding risks and uncertainties is described under the heading "Risks and Uncertainties" in the Company's most recently filed MD&A available on SEDAR+ at www.sedarplus.ca. The Company does not undertake any obligation to update or revise any forward-looking statements except as required by applicable law.

"Greenbriar Capital Corp. was recognized as a TSX Venture 50^® company in 2014 and 2023. 
TSX Venture 50 is a trade-mark of TSX Inc. and is used under license."

Toronto Venture Exchange Symbol: GRB | US OTC Symbol: GEBRF

Filing Exhibits & Attachments

1 document

Press Releases

• EX-99.1 EXHIBIT 99.1 9.2 KB