Our company was created by two multi-generational farming families with extensive experience in large scale commercial agricultural development, production, manufacturing and marketing. 

We have leveraged our deep network of relationships to quickly build a vertical business model focused on producing high quality products that are 100% compliant with low production costs.

"Quality and consistency at every level"

We have partnered with cannabis industry leaders in cultivation, formulation and extraction to make sure that we achieve the highest standard of quality and consistency at every level.

We are excited to offer our clients a professional and relationship driven experience that we know sets us apart from the rest.

Dr. Monica Vialpando

Dr. Monica Vialpando

Monica Vialpando is a pharmaceutical development scientist and founded Vialpando LLC in 2017, a San Francisco based provider of outsourced innovation for the cannabis industry.


She earned her Ph.D. in Pharmaceutical Sciences from the University of Leuven, Belgium. There, she published several papers on formulation of poorly water soluble drugs, including a granted patent. Beyond this, she brings seven years of pharmaceutical formulation experience with US and European based companies and four years of vaping (nicotine) experience, which includes her role as Chief Scientific Officer for the United Kingdom’s leading e-liquid manufacturer. Her development portfolio includes immediate and modified release oral tablets, sublingual tablets, dry powders and nebulized solution for inhalation, nicotine and cannabis vape products and topicals.

Dr. Robb Flannery

Dr. Robb Flannery

Dr. Robert Flannery is the first PhD in the United States with the technical training and expertise in commercial Cannabis cultivation.


Dr. Flannery has a Ph.D. in Plant Biology with an emphasis in Environmental Horticulture and a specific expertise in hydroponic crop optimization for cut-flower production from UC Davis. Dr. Flannery has managed commercial horticultural cultivation since 1999.

While working on his doctorate, Dr. Flannery began advising Cannabis cultivators throughout Northern California on modern horticulture practices. As Production Director at SPARC in San Francisco, Dr. Flannery managed the largest department in the company and supervised every segment of Cannabis cultivation, packaging, & delivery of final product to retail.

In 2016 Dr. Flannery started Dr. Robb Farms in an effort to bring affordable, safe and high-quality cannabis to the greater California market. Dr. Flannery has grown many, many tons of clean cannabis and has never lost a crop. He has lectured all over the world about Cannabis cultivation production and has advised hundreds of cultivators on commercial Cannabis cultivation. Dr. Robb Farms is currently developing a campus of 7 Hybrid Indoor™ facilities in Desert Hot Springs, California that comprise 260,000 square feet of cultivation and manufacturing space.

Dr. Flannery is very active in both the research and legislative aspects of commercial Cannabis production in California. Dr. Flannery holds the following leadership positions:

  • Mentor at Gateway (a startup incubator located in Oakland that is focused on launching companies in the Cannabis industry).

  • Co-Chair of the Agriculture Committee for the California Cannabis Industry Association.

  • Board Member for the Cannabis Tech System – End User Advisory Committee, which is where he advised the administration of California’s Track and Trace program.

  • Advisor to the Dean of Agricultural Sciences at UC Davis and her advisory council to discuss the research opportunities in California Cannabis production.

  • Spearheaded the effort to make SPARC the first ASA (Americans for Safe Access) certified dispensary in the United States.

  • Board of Advisors for a Venture Capital group (Salveo Capital), which invests in the ancillary space for the industry.

  • Consultant for SCI Consulting where he speaks with local municipalities to give them an understanding of what to expect from a regulatory standpoint for cultivation.

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Susan Wiedemann

Susan Wiedemann brings over a decade of food industry experience and relationships to the cannabis consumable product market, developing products from concept to completion that are innovative, safe and create an enjoyable consumer experience.


Susan received her Bachelor’s from U.C. Davis in Food Science with an emphasis in Food Microbiology and Food Safety.  In 2015 she fulfilled a lifelong dream by attending one of the top culinary schools in the nation, The Culinary Institute of America in St. Helena, CA and graduated with honors.  Susan has worked for the past ten years as a Senior Food Scientist in Research and Development for two major national brands in consumable products.  She has a wealth of experience in product innovation, contract manufacturing, prototype development, consumer sensory testing, shelf life evaluation and ingredient sourcing.  Susan saw a huge opportunity in November 2017 when California legalized the recreational use of cannabis and began applying her product development experience to consumable cannabis products.  Over the years Susan has developed a vast network of relationships throughout the food industry that she utilizes for her cannabis clients and is excited to be a part of The Plant’s founding team.