Advisory Board

Maximum Yield’s advisory board was created in 2017 to reflect the increasing diversity in the indoor grow industry and to address the increasing and diverse readership of Maximum Yield’s publications. Maximum Yield’s advisory board includes experts from all sectors of the grow industry who represent many organizations and committees dedicated to improving best practices within the industry. Through thoughtful advice, suggestions, and contributions, the advisory board helps to guide our content in our publications to help provide our readers with the best and most current information possible.


Ian Ashdown

Ian Ashdown

A research engineer, Ashdown brings almost 40 years experience in lighting design, research and development, as well as software engineering. He owns and runs Sun Tracker Technologies as well as byheart Consulting. Ashdown is currently working hard on several projects involving horticultural lighting design, including design software for greenhouses, and building atria that integrate climate-based annual daylight and supplemental electric lighting. He’s also authored more than 100 articles and technical journals. When he’s not working, Ashdown prefers hiking at elevations above 8,000 feet in the Canadian Rockies.

Augustus Dunning

Augustus Dunning

Augustus Dunning is the CEO of Eco Organics and is a physicist, chemist and an inventor. He is the former systems ops designer for the International Space Station and a former regional manager of liquid, solid and electric propulsion systems for Pratt and Whitney space propulsion, Edwards AFB, NAWC and JPL.

Kent Gruetzmacher

Kent Gruetzmacher

Kent Gruetzmacher, MFA, is a Colorado-based freelance writer and the director of business development at Mac & Fulton Talent Partners, an employment recruiting firm dedicated to the indoor gardening and hydroponics industry. He is interested in utilizing his MA in Humanities to critically explore the many cultural and business facets of this youthful, emergent industry by way of his entrepreneurial projects.

Jennifer Martin

Jennifer Martin

Jennifer Martin is an indoor cultivation consultant who specializes in custom nutrients, propagation, and vertical LED facility design. She is the winner of the 1998 Bay Area Cannabis Cup and currently advises and educates cultivators on the West Coast and in Hawaii. She can be reached at marijuanapropagation.com

Jodi McDonald

Jodi McDonald

Jodi McDonald is the president and founder of Keystone Labs and is a medical microbiologist, inventor and super science-geek. She has 20 years’ experience in the quality control, regulatory, and quality assurance environment for the pharmaceutical industry. Jodi believes testing is essential for taking control of your personal health.

Lynette Morgan

Lynette Morgan

Dr. Lynette Morgan holds a B. Hort. Tech. degree and a PhD in hydroponic greenhouse production from Massey University, New Zealand. A partner with SUNTEC International Hydroponic Consultants, Lynette is involved in remote and on-site consultancy services for new and existing commercial greenhouse growers worldwide as well as research trials and product development for manufacturers of hydroponic products. Lynette has authored five hydroponic technical books and is working on her sixth.

Dustin Powers

Dustin Powers

GoodLifeGang leader and open source fanatic Dustin Powers is in love with cannabis. After dropping out of college, Dustin has gone on to pioneer multiple breakthroughs in the industry. From the beginnings of ethanol extraction to pesticide remediation, he's made a name for himself as the guy who gives out the knowledge for free, a model he learned while working directly under GreyWolf of SkunkPharm notoriety for 18 months. After three years and several hundred consulting jobs, he started Future4200.com to enable more people to freely access and distribute cannabis processing knowledge.

His latest endeavour, the GoodLifeGang, a membership discount club built on permaculture principals for cannabis processors, is making waves in the industry. By empowering its members to "level up together," the GLG has become a rapidly growing community of like-minded cannabis individuals.

Carrie Roberts

Carrie Roberts

Carrie Roberts is a Senior Consultant with Medicine Man Technologies. She has a BA in Sociology and Criminal Justice from Colorado State University. As a former Colorado POST Certified law enforcement officer Carrie is currently on the speakers' bureau for LEAP (Law Enforcement Action Partnership), an international, non-profit, criminal justice reform agency speaking to both policy makers and the public regarding criminal justice and drug policy reform measures. Carrie is also on the standards creation board for the Foundation of Cannabis Unified Standards.

Lindsey Schiller

Lindsey Schiller

Lindsey Schiller studied at the University of Arizona’s Controlled Environment Agriculture Center before delving into sustainable greenhouse design after she moved to Colorado. In 2011, she co-founded Ceres Greenhouse Solutions to enable people to design and build their own sustainable, year-round greenhouses. She writes extensively on greenhouse technology and year-round growing through Ceres’ blog. She is also the author of The Year-Round Solar Greenhouse: How to Design and Build a Net-Zero Energy Greenhouse (New Society Publishers).

Lisa Jansen van Rensburg

Lisa Jansen van Rensburg

Lisa Jansen van Rensburg currently spearheads P.L. Light Systems North American marketing efforts out of their head office in Beamsville, Ontario. Prior to PL Light Systems, Lisa served as a director at a marketing communications agency—developing and implementing marketing strategies for energy conservation programs (both residential & commercial) on behalf of electric and gas utilities across Canada and the US. Before that, she spent six years with Philips Lighting, marketing their energy efficient lighting technologies and luminaries.

Austin Yeany

Austin Yeany

Austin Yeany has been professionally involved in the agriculture and hydroponics industry for five years. He operates a business known as VGS Organic, where he engineers custom-made gardens. He is also currently studying agricultural science.