Durham Master Gardeners

inspiring home gardeners


Joseph R. Goldfarb M.Ed
Joseph brings more than a decade of experience in the industry as a licensed cultivator and cannabis educator, operating cultivation projects in California and Ontario. He specializes in implementing and evaluating training solutions across various delivery channels (Instructor-Led, e-Learning, and Self- Directed).

Joseph has extensive knowledge of regulations, licences and authorizations in the cannabis industry as well as a decade of experience conducting market research and needs assessments, creating engaging instructional designs, developing cannabis curriculum, integrating learning technologies and implementing tools of assessment for major Canadian colleges, businesses and organizations.

In his role as Head of Operations, Joseph is using emerging and progressive strategies to develop innovative and effective solutions for Medz Cannabis Inc.

Abigail Sampson
Abigail Sampson began her cannabis career as a volunteer with NORML Canada, the longest running cannabis advocacy group in the country. During her tenure, she rose to the ranks of Executive Director, the first female to hold this position.

Abigail is the Chair of the Dandelion Initiative, a grassroots not-for-profit organization providing supports and advocating on behalf of survivors of sexual assault. The Dandelion Initiative believes in the power of education as a form of resistance to sexual violence.

Abigail also sits on the Board of NICHE Canada, a not-for-profit corporation established to support the development of public policy and research to assist all levels of government manage the transition to the legalization of the cannabis industry.

Abigail presented as a witness before the Canadian Standing Committee on Health on Bill C45, the Cannabis Act and appeared at Queens Park in response to Bill 178, an Act to amend the Smoke Free Ontario Act. She actively engages Pickering municipal government on cannabis issues and creates opportunities for community education.

Sjoerd Visser
Sjoerd is a University of Guelph Ridgetown campus alumni of the Horticulture program, where he studied landscape design and nursery/greenhouse production. Currently, he is attending the Sustainable Agriculture (Co-op) post-graduate program at Fleming College in Lindsay, Ontario.

Sjoerd has over a decade of experience in consulting gardens, designs as well as working in nursery/greenhouse on a commercial scale within the ornamental sector, assistant growing 100,000 cut flower lilies in a 2-acre greenhouse.

Born a dairy farmer, emigrating from the Netherlands as a child, Sjoerd has a natural passion and ability to grow plants. In recent years, after a work injury in the agriculture industry, he gained access to medicinal cannabis, as well as, a personal production license. The opportunity to grow cannabis as a medical patient allowed Sjoerd to apply his knowledge and experience in horticulture within a new capacity of production – cannabis cultivation.

Sjoerd is a student of Dr. Elaine Ingham and continues to gain further insight into soil microbiology, remediation and the soil food web. He has witnessed firsthand what life in the soil can do and encourages the incorporation of microbes into most current practices. Sjoerd is working on methods of integrating aerobic microbiology into general potted hydroponic growing practises.

Ingrid Janssen (Moderator) Master Gardener of Ontario Durham
Ingrid Janssen is a horticulturist, speaker, blogger and master gardener. She has been a member of MGOI Durham for over 6 years and has been gardening for most of her life. Her passion, experience and spirit are seen everyday through her love of gardening.

Ingrid is an inspirational speaker who has appeared on Rogers TV Durham and has spoken at agriculture conferences such as Canada Blooms. She has both ornamental and food production gardens on her country property and has been a dedicated native plant enthusiast for over 30 years. Ingrid received her Horticulturist Diploma from the University of Guelph and is an active member of several horticultural and plant societies.

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