Meet the JARS Leadership Team

At JARS Cannabis, our success is built on the passion, expertise, and integrity of our leadership team. Each member brings years of experience in cannabis operations, retail strategy, and customer engagement — driving JARS’ mission to provide accessible, high-quality cannabis experiences across multiple states.

Donovan Adam

Vice President of Revenue Strategy

Bio: Donovan Adam is the Vice President of Revenue Strategy at JARS Cannabis, a leading multi-state cannabis operator. He oversees purchasing, sales, ecommerce, and customer service, ensuring alignment across teams to deliver measurable growth and brand excellence. With a data-driven mindset and a commitment to enhancing customer experience, Donovan leads initiatives that optimize revenue performance and strengthen JARS’ competitive positioning in the cannabis retail space.

Experience: With over a decade in wireless retail and five years of cannabis industry leadership, Donovan has served in key roles including District Manager, Retail Director, Sales Director, and now VP of Revenue Strategy. His hands-on experience across multiple sectors empowers him to identify market opportunities and design scalable strategies that sustain JARS’ growth.

Marcel Kattula

Vice President of Operations

Bio: As Vice President of Operations, Marcel Kattula ensures operational excellence across all JARS Cannabis retail locations. He oversees daily operations, compliance, and process optimization, ensuring every store delivers a consistent and high-quality customer experience. Marcel’s leadership ensures JARS maintains its reputation for professionalism, efficiency, and exceptional service in every market it serves.

Experience: Marcel brings extensive experience in multi-location retail management and operational leadership within highly regulated industries. His focus on standardization, team development, and performance optimization has been instrumental in scaling JARS’ footprint and maintaining operational consistency across states.

Stefanie Michaels

Vice President of Marketing

Bio: Stefanie Michaels leads all brand, digital, and community marketing efforts at JARS Cannabis. As Vice President of Marketing, she develops creative strategies that elevate brand visibility, enhance customer loyalty, and strengthen community engagement. Stefanie’s innovative approach has been central to shaping JARS’ distinct brand voice and expanding its influence in the cannabis industry.

Experience: With a strong background in marketing, branding, and consumer engagement, Stefanie has helped JARS build meaningful relationships with customers and local communities alike. Her leadership ensures the brand continues to resonate with diverse audiences while maintaining compliance and authenticity in all messaging.

Our Commitment to Transparency At JARS Cannabis, transparency, credibility, and professionalism are at the heart of our brand. Each team member contributes unique expertise that ensures our content, operations, and customer experiences reflect our values of trust, quality, and integrity. Learn more about JARS.