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CTU Faculty

Meet the Experts Elevating Cannabis Education Worldwide

Learn from industry leaders, scientists, cultivators, attorneys, chefs, and business operators who actively shape the modern cannabis industry.
Founded in 2009
50,000+ students worldwide
Faculty with real-world cannabis careers
Global cannabis, hemp, and CBD expertise

Who Teaches at Cannabis Training University?

Cannabis Training University instructors are not career academics teaching theory — they are professionals actively working in the cannabis industry.

Our faculty includes:

  • Licensed physicians and medical researchers
  • Master cannabis growers and horticulturists
  • Extraction scientists and lab operators
  • Cannabis attorneys and compliance experts
  • Edibles manufacturers and executive chefs
  • Retail dispensary owners and managers
Every course is written, reviewed, or instructed by professionals with hands-on experience in their field.
Who teaches at cannabis training university

Managing Faculty

Jeff Zorn

Managing Faculty
Founder & CEO, Cannabis Training University
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Ed Rosenthal

Managing Faculty
World-Renowned Cannabis Cultivator & Author
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Karen Getchell

Cannabis Cooking, Extraction, Business, CBD & Training Expert
Director of Content Development, CTU
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Cannabis Cultivation & Growing Faculty

John J. Simmonds

Cannabis Cultivation Faculty
Master Cannabis Grower
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Luis Cordova

M.S. Plant Biotechnology & Pharmaceutical Science
Master Cannabis Grower
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Dustin Fox

Cannabis Cultivation Faculty
Probiotic Horticulturist & Soil Consultant
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Dion Alexander

Cannabis Cultivation Faculty
Cannabis Horticulturist and Processor
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Bob Barnhouse

Cannabis Cultivation Faculty
Master Cannabis Grower
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Medical Cannabis & Research Faculty

Dr. Joe Cohen

Medical Cannabis Faculty
Medical Marijuana Physician
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Sean D. McAllister, PhD

Medical Cannabis Faculty
Cannabis Research Scientist
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Pierre-Yves Desprez, PhD

Medical Cannabis Faculty
Cannabis Research Scientist
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Dr. Phil DiGiacomo

Medical Cannabis Faculty
Medical Marijuana Physician
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Cannabis Business & Operations Faculty

Shawn Honaker

Shawn Honaker

Cannabis Business Faculty
Founder, Yeti Farms
Read Full Bio →
Julie Dooley

Julie Dooley

Cannabis Business Faculty
Director of Product Development, Incredible Edibles
Read Full Bio →
Julie K. Godard

Julie K. Godard

Cannabis Business Faculty
Cannabis Business Consultant
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Cannabis Law & Compliance Faculty

James J. Clark, Esq.

Cannabis Law Faculty
Medical Marijuana Defense Attorney
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Theresa Ferriolo, Esq.

Cannabis Law Faculty
Cannabis Attorney
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Cannabis Extraction & Processing Faculty

Dr. John Thompson

Dr. John Thompson

Cannabis Extraction Faculty
Business Owner, Chemist & Extraction Expert
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Eric Vlosky

Eric Vlosky

Cannabis Extraction Faculty
Cannabis Marketing Director
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Cannabis Cooking, Edibles & Infusion Faculty

Chef Eva

Chef Eva

Cannabis Cooking & Infusion Faculty
Executive Chef & Cannabis Cooking Expert
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Cannabis Retail & Dispensary Faculty

Darek Wajada

Retail & Dispensary Faculty
Owner, The Green Room
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Zachary Crane

Retail & Dispensary Faculty
Dispensary Assistant Manager
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Content Developers, Writers & Videographers

Supporting CTU's educational mission with professional content creation and curriculum development.

Fred Hernandez

Content Development Team
Cannabis Writer & Researcher
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Austin Logan

Content Development Team
Cannabis Videographer
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Adam McClatchie

Content Development Team
Owner, Mile High Media House
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Learn from the People Shaping the Cannabis Industry

Medical Disclaimer
The information on this website is for educational purposes only and is not intended as medical advice. Always consult a qualified healthcare professional.
Legal Compliance Disclaimer
Cannabis remains illegal under U.S. federal law. Education provided is intended only for jurisdictions where cannabis activity is legal. Users are responsible for understanding local laws.
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7-day money-back guarantee · Refund Policy
  • Cannabis Training University 600 17th St, Suite 2800 Denver, CO 80202
© 2026 Cannabis Training University. All Rights Reserved. Cannabis Training University® is a registered trademark of Online Training Providers LLC.

Copyright Cannabis Training University, a subsidiary of Online Training Providers. © 2026. All Rights Reserved.

Medical Disclaimer: The information on this website is for informational purposes only and is not intended to be a substitute for professional medical advice, diagnosis, or treatment.
Always seek the advice of a physician or other qualified health provider with any questions you may have regarding a medical condition.
Legal Compliance: Cannabis remains federally illegal. Products and information are intended only for jurisdictions where cannabis use and possession is legal.
By using this site, you affirm that you are of legal age (21+) and responsible for understanding your local laws.

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Jeff Zorn

Managing Faculty
Founder & CEO, Cannabis Training University
Jeff Zorn founded Cannabis Training University in 2009 and has spent more than 17 years teaching people how cannabis works, how it's grown and how it's regulated. A former collegiate basketball player, Jeff committed himself to education as a way to legitimize and professionalize the industry.
Since founding CTU, Jeff has:
  • Built one of the world's most recognized online cannabis education platforms
  • Grown CTU to over 50,000 students globally
  • Assembled a faculty of leading cannabis experts across every major discipline
  • Spoken at cannabis events and conferences worldwide
Jeff continues to oversee curriculum quality, faculty selection, and program development to ensure CTU students receive relevant, real-world cannabis education.

Ed Rosenthal

Managing Faculty
World-Renowned Cannabis Cultivator & Author
Ed Rosenthal — often called the "Guru of Ganja" — is one of the most respected cannabis educators in the world, with over 40 years of cultivation experience.
Ed has authored numerous best-selling cannabis books and has been a global authority on marijuana cultivation, policy, and education for decades. CTU students receive access to 8 Ed Rosenthal eBooks, included with enrollment.

Karen Getchell

Cannabis Cooking, Extraction, Business, CBD & Training Expert
Director of Content Development, CTU
Karen Getchell has over 20 years of experience as a cannabis educator and content developer. She founded a CBD company in 2014 and has created infused products based on her own formulations.
Karen oversees:
  • Course structure and lesson development
  • Cannabis cooking and infusion curriculum
  • Business and CBD training modules

John J. Simmonds

Cannabis Cultivation Faculty
Master Cannabis Grower
John J. Simmonds is a master cannabis cultivator whose expertise spans decades of hands-on growing experience. His work focuses on plant health, yield optimization, and sustainable cultivation practices.

Luis Cordova

M.S. Plant Biotechnology & Pharmaceutical Science
Master Cannabis Grower
Luis Cordova holds a Master's degree in Plant Biotechnology and Pharmaceutical Science. He contributes to Maximum Yield Magazine and specializes in advanced cultivation techniques and plant science.

Dustin Fox

Cannabis Cultivation Faculty
Probiotic Horticulturist & Soil Consultant
Dustin Fox is a soil consultant and probiotic horticulturist who has helped revolutionize cannabis cultivation practices. He has been featured in cannabis publications and has won multiple cannabis photography competitions.
Dion Alexander | Cannabis Horticulturist and Processor

Marijuana Cultivation Expert

Dion was born and raised in Colorado. He served in the United States Marine corps, and started cultivating plants in 2013 after he was honorably discharged. He quickly became head cultivator of the cannabis dispensary Berkeley MMC. In 2015, Dion began his own cannabis and hemp horticultural consulting company.

Dion’s cultivation experience spans a variety of growing techniques, including salt synthetics, organics, and probiotics. His extraction experience is in CO2, short path distillation, BHO, solventless extraction, and rosin. He has been a product development specialist in Rhizosphere dynamics, fungi, anaerobic and aerobic bacteria, and mycology. He is known for his experimentation in honing the connection of probiotics and the growth of terpene/cannabinoid production.

Dion currently works as a lavender farm owner, and as a consultant with ECOBIOCORE, a soil probiotic company. Dion truly believes one day we all will change the way horticulture and cannaculture are grown, and it will be without GMOs.
Bob Barnhouse | Master Cannabis Grower

Marijuana Cultivation Expert

Bob has successfully managed both indoor and outdoor cannabis cultivation for many leading Colorado cannabis grow facilities.

Bob specializes in organic cannabis growing methods and has produced some of the world's finest marijuana. Bob has won multiple Cannabis Cup awards for his finest strains. Bob teaches how to grow cannabis at Cannabis Training University for all levels of marijuana growers, beginner to expert.

Dr. Joe Cohen

Medical Cannabis Faculty
Medical Marijuana Physician
Dr. Joe Cohen is a medical cannabis physician who has treated thousands of patients using cannabis and CBD therapies. His expertise bridges clinical practice and patient-focused cannabis medicine.

Sean D. McAllister, PhD

Medical Cannabis Faculty
Cannabis Research Scientist
Dr. Sean McAllister earned his PhD in Pharmacology and Toxicology from Virginia Commonwealth University. His research focuses on cannabinoids and cancer, and he has published widely in peer-reviewed journals.

Pierre-Yves Desprez, PhD

Medical Cannabis Faculty
Cannabis Research Scientist
Dr. Desprez completed his PhD at the University of Lyon in France and collaborates with Dr. McAllister on endocannabinoid research and cancer studies.
Headshot dr phil digiacomo
Dr. Phil DiGiacomo | Medical Marijuana Physician

Cannabis Medicine Expert

Dr. Phil DiGiacomo is a board-certified Emergency Medicine physician who has been in practice for over 10 years. His work in emergency medicine led him to study medical cannabis.

Dr. DiGiacomo dedicates his time to educating the public and healthcare professionals about medical cannabis.

Shawn Honaker

Cannabis Business Faculty
Founder, Yeti Farms
Shawn Honaker founded Yeti Farms, a vertically integrated cannabis company in Colorado. He brings real-world experience in cannabis operations, extraction, and business scaling.

Julie Dooley

Cannabis Business Faculty
Director of Product Development, Incredible Edibles
Julie Dooley is the former owner of Julie's Natural Edibles and now serves as Director of Product Development at Incredible Edibles. She specializes in infused product manufacturing and compliance.
Julie K. Godard
Julie K. Godard | Cannabis Business Consultant

Marijuana Business Expert

Julie has written and researched business applications in the medical and recreational cannabis and hemp industries across the United States, Canada, and throughout the world. Julie is passionate about sharing accurate and researched information about cannabis in a way that students and instructors understand. Her cannabis-industry articles have been published in Bust, 3C Cannabis Consulting, Mass-Roots, and Green Lotus Hemp. She has worked with Canna Advisors, Cure, Cannabis Training University, and many other cannabis business clients in various states and countries.

Julie holds a B.A. in Creative Writing from the University of Colorado at Boulder, an M.A. in Technical Communications from MSU Mankato, and is pursuing a web development and design certificate. She also has extensive writing and research experience with non-cannabis-related medical, technical, academic, and political topics.

James J. Clark, Esq.

Cannabis Law Faculty
Medical Marijuana Defense Attorney
James Clark has spent over a decade defending cannabis patients and fighting drug-related charges. His legal expertise helps CTU students understand cannabis law from a real-world perspective.

Theresa Ferriolo, Esq.

Cannabis Law Faculty
Cannabis Attorney
Theresa Ferriolo is a Colorado-licensed cannabis attorney specializing in state and federal compliance, cannabis regulations, and licensing.
Dr. John Thompson | Business Owner, Chemist, Separation Scientist, Extraction Expert

Cannabis Extraction & Processing Expert

In 2014, Dr. Thompson founded and became the CEO of extraktLAB, Supercritical CO2 Extraction Equipment & GMP Manufacturing Solutions. In addition to owning his own extraction business, he has helped companies across the US and Canada obtain hemp and cannabis licenses, and operationally set up their businesses for success. His hemp and cannabis business consulting expands across all facets of the industry, including extraction, cultivation, and general business planning.

As a scientist, Dr. Thompson has worked in engineering firms doing separation science on a global level.
Eric Vlosky
Eric Vlosky | Cannabis Marketing Director

Cannabis Processing Expert

Eric also serves as a Marketing and Brand Strategist for Pure Cannalabs, a premium processed products consultancy. He speaks frequently at seminars in the cannabis space about solventless processing. Eric is one of the premier experts in the solventless extraction space and works closely with some of the top labs across the country. As a graduate of the University of Colorado at Boulder's nationally recognized Advertising program, Eric's primary focus is on cannabis brand building and business growth.

Chef Eva

Cannabis Cooking & Infusion Faculty
Executive Chef & Cannabis Cooking Expert
Chef Eva is a licensed executive chef based in San Francisco with over 20 years of experience creating cannabis-infused cuisine. She is renowned for her precision, safety, and flavor-forward cannabis recipes.

Darek Wajada

Retail & Dispensary Faculty
Owner, The Green Room
Darek Wajada owns and operates The Green Room, a hemp-based retail brand with multiple locations on the East Coast. He specializes in retail operations and customer education.

Zachary Crane

Retail & Dispensary Faculty
Dispensary Assistant Manager
Zachary Crane served as an Assistant Manager at MMJ America in Denver, Colorado. He brings hands-on dispensary experience to CTU's retail training programs.

Fred Hernandez

Content Development Team
Cannabis Writer & Researcher
Fred Hernandez is a California-based cannabis writer whose work has appeared in Merry Jane, Leafbuyer, and CTU publications.

Austin Logan

Content Development Team
Cannabis Videographer
Austin Logan is a Denver-based videographer who has worked in the cannabis industry for over five years, specializing in educational cannabis video content.

Adam McClatchie

Content Development Team
Owner, Mile High Media House
Adam McClatchie is the owner of Mile High Media House and specializes in cannabis videography and storytelling.