You can benefit from our years of experience and dozens of awards





Christian Hageseth has over 8 years of experience in the Colorado legal cannabis industry, and over 20 years of experience as an entrepreneur. In 2009, he founded Green Man Cannabis, and by 2016 had four retail dispensary locations and two grow operations in Colorado along with documenting his experience in his book Big Weed published by Macmillan in 2015.

While operating Green Man, Christian recognized the next step in the evolution of the retail dispensary experience: a cannabis brand that was for every consumer along with a chance for other entrepreneurs to use this brand and his expertise. In 2017, he formed ONE Cannabis as THE brand in retail cannabis. ONE Cannabis Franchise provides entrepreneurs a proven business model, award winning products and management, and an established brand in the marketplace. Join our team and come grow with us.


Christian Hageseth

Christian has over 8 years of experience in the Colorado legal cannabis industry, and over 20 years of experience as an entrepreneur. He is the Founder and Chairman of Green Man Cannabis in Denver, CO. Green Man is well-known for its connoisseur grade craft cannabis and many Cannabis Cup wins - which is the industry’s most prestigious award for product excellence. In 2015 High Times Magazine recognized Hageseth with an industry Trailblazer Award. His experience in the legal cannabis industry, and his predictions for its future, are outlined in his book Big Weed published by Macmillan in 2015.

Corey Buffkin

Corey has over 8 years of experience in the Colorado, Nevada, and Oregon legal cannabis industries. His passion for the industry coupled with his breadth & depth of cultivation knowledge has positioned him to successfully direct all cultivation operations - including quality control and genetic acquisition at multiple facilities. Corey has won over 40 awards, including (12) Cannabis Cup trophies, and the most coveted annual award - The 2014 United States High Times Sativa Cannabis Cup.

Billy Johnson

Billy has over 20 years of multi-unit operations experience within various consumer services industries, most recently as the Chief Operating Officer of Green Man Cannabis in Denver, CO. Prior to that he was the COO at Progressive Retail Management. His strong leadership skills and business acumen allow him to provide in-depth operational and financial expertise for any startup or turnaround environment. He thrives in creating a culture whereby everyone performs to the best of their abilities, is continuously challenged, and loves the role they play in the company’s success. Strategic thinking, developing people, solving problems, and enhancing revenue are just a few of the invaluable assets he brings to the industry.

John Darwin

John has over 5 years of private equity, corporate development, and startup experience in technology and oil and gas industries. He currently serves as the Vice President of Finance for American Cannabis Partners, an active venture capital company in Denver, Colorado. Previously, John was the founder and CEO of Calvin, a technology based startup located in Dallas, TX. Prior to Calvin, John was Associate of Corporate Development for JP Energy where he supported valuation, diligence, and execution of approximately $100 million in acquisitions, joint ventures, and growth projects. Prior to JP Energy Partners, John was an analyst at glendonTodd Capital, a Dallas based private equity firm.


Liquid Capital Required


Total Investment

$330k - $1.1m

Franchise Fee


Required Net Worth



We have hundreds of partners so you only need one. We make sure you have the right products on your shelves that customers want at the right price.


As leaders, authors, and entrepreneurs in our industry, we have enjoyed a lot of coverage in the media. As we grow, that coverage will translate into consumer awareness, loyalty and traffic to your dispensary.
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© 2017 One Cannabis Franchise. All Rights Reserved.

This information is not intended as an offer to sell, or the solicitation of an offer to buy, a franchise. It is for information purposes only. Currently, we only the offer and sale of franchises in the State of Colorado.