About Treez

John Yang co-founded Treez in 2016. Prior to Treez, John was a consultant at Slalom Consulting - ranked #3 in the world for business technology consulting and specializing in program management, business process improvement, software development, CRM solutions, and business intelligence. John was also a consultant with Accenture as an experienced information technology management professional.

David Yan is responsible for strategic, operational, and governance initiatives at Treez. David came to Treez in 2019 with a track record of success with over 15 years of experience in leadership to high-growth SaaS and data companies for both SMB and enterprise markets. He has held VP of Finance positions at both Womply and Wrike (exited to Vista Equity Partners) as well as various positions at Twitter and other growth stage venture backed startups after starting his career at KPMG.

Shareef El-Sissi partnered with John Yang and co-founded Treez in 2016. Shareef is the CEO of California based vertically integrated brand, Eden Enterprises. Shareef’s direct and ongoing hands-on experience in the cannabis industry is an essential part of the continued evolution of the Treez platform. Shareef helps the Treez team find new ways to automate processes and modernize cannabis commerce.

Joey Sterling is based in the Los Angeles metropolitan area and oversees Treez’s overall product strategy, execution, and go-to-market plans for the company’s enterprise cloud commerce products and integrations. He has been at Treez for over 5 years where he has amassed a tremendous amount of customer, product, and industry knowledge.