Become a certified Cannabis Sensemillier

How to Become a Sensemillier

1. Cannabis Microscopy Course

Take our foundational online course first and gain valuable insight into the world of cannabis microscopy and trichomes.

2. TDC Masterclass

Join a virtual cohort for an immersive journey into the art and science of cannabis evaluation. 24 hours total teaching time.

Led by renowned industry expert Tom Rothmeier.

3. Practical Assessment

Engage in a series of role-playing scenarios that put your cannabis expertise and recommendation skills to the test.

Note: You’ll need at least 10 product gradings in your account to begin this step

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Ignite your cannabis career

Whether you're looking to boost your career or grow your presence, our program equips you with cutting-edge marketing strategies, content creation skills, and personal branding techniques.

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Elevate your cannabis expertise

Our comprehensive program, led by industry expert Tom Rothmeier, offers everything you need to master the art of cannabis evaluation and advance your career. Learn how to objectively grade cannabis products, from buds to pre-rolls, and understand the vital role of set and setting in shaping the cannabis experience.

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Use your knowledge to make an impact

The final step to becoming a Cannabis Sensemillier is to demonstrate that you have truly understood and encompossed the knowledge that has been given to you.


If you have completed the masterclass and would like to book your final practical assessment, contact your lead instructor.

Grading Masterclass

"I found the TDC Masterclass to be a great mix of knowledge and humour. Tom and his clowning around really make you think twice about things, and it really sticks in your brain. I look forward to the future with TDC leading the way in how we view cannabis."

Andy Downing, Assistant Manager at Havest Moon Cannabis