Mastering the Root Zone: Strategies for Optimized Plant Health and Growth

Ryan brings more than 30 years of hands-on experience in the cannabis and horitculture industry. A second-generation cultivator and two-time Cannabis Cup winner, he has consulted with commercial cultivation operations worldwide. Ryan has held board positions with organizations such as the NCIA, RII, and Grow Up, and is a familiar face on the global speaking circuit with appearances at events like MJBizCon, Grow Up Conference, Cultivate, the Canadian Greenhouse Conference, and Greentech.

Before joining Cultiwool, Ryan worked with a leading LED lighting company, offering technical cultivation support not only for cannabis but also for a range of other crops including tomatoes, leafy greens, and ornamentals. Outside the grow room, Ryan is a passionate home brewer and was recently named the 2024 Front Range Circuit Homebrewer of the Year.

Wesley Petzer is a South African-born cultivation and international market development specialist based in the Netherlands. He is Global Brand Representative and Growing Consultant for Atami Nutrients and Founder of Petzer Consulting BV, a consultancy focused on cultivation strategy, nutrient programmes, brand development and commercial growth within cannabis and controlled-environment horticulture.

With more than ten years of hands-on cultivation experience, Wesley has worked across legacy, regulated and emerging cannabis markets. His background combines farming, agricultural economics, compliance, software, product education and business development, allowing him to connect technical cultivation realities with broader commercial and market opportunities.

Before founding Petzer Consulting BV, Wesley worked as Business Development Manager Africa at Cannavigia, supporting the expansion of cannabis compliance technology in developing and regulated markets. Today, he works with growers, brands, distributors and industry partners across Europe, Africa, North America and emerging markets, helping translate cultivation knowledge into stronger positioning, trusted partnerships and scalable market strategies.

Wesley’s work is driven by a belief that the future of high-value horticulture depends not only on better products and better cultivation, but also on education, transparency, credible branding and meaningful international collaboration.

Ben Nikaj is a highly accomplished Senior Crop Advisor at Grodan, leading provider of root zone management solutions for professional horticulture. With an impressive career spanning over 22 years, Ben supports vegetable and medicinal crop growers worldwide in optimizing their irrigation strategies and cultivation methods. Ben’s focus is on sustainable and efficient solutions to enhance plant performance and product quality. Ben’s unparalleled expertise plays a pivotal role in advancing innovative substrates and cultivation techniques.

Born and raised in a Dutch greenhouse, Sonny developed a passion for plant cultivation from an early age. Growing up surrounded by horticulture laid the foundation for his deep understanding of plant science and commercial growing operations. Sonny has been consulting growers for years on cannabis cultivation in countries where medicinal cannabis is legalized. His cultivation experience and expertise is strengthened as result of his involvement in trials at Wageningen University.

Sonny holds a master’s degree in plant science from Wageningen University & Research, specializing in greenhouse horticulture. He understands the importance of collaboration between the pharmaceutical, horticultural and hobby industries within the cannabis sector. Through his extensive international network and hands-on experience, he has learned that cultivation expertise is a critical factor in the success of professional growing facilities.