About Treez

Our vision at Treez is to power the global cannabis economy. We’re relentlessly focused on providing technology and insights that fuel the cannabis industry’s global growth.

Our Story

We're driven by our core values

  • Stay Curious

    Ask why. Search more. Participate. Innovate through relentless curiosity. Everything starts with understanding the problems.

  • Present Solutions

    Actionable solutions overcome obstacles and motivate through a growth mindset. Problems are opportunities to grow.

  • Embrace Simplicity

    Simplify everything.

  • Empower Candor

    Be vulnerable, be respectful, solicit feedback, listen with intent and act on what we say. Being real with each other saves time, builds trust, and drives personal growth.

  • Drive Outcomes

    Deliver fast, iterate quickly, innovate sustainably. Every outcome we drive gets us closer to our vision.

Leadership Team

  • John Yang

    Founder & co-CEO

    John Yang is a cannabis technology pioneer who founded Treez in 2016 to transform how retailers operate and grow. As co-CEO, he has led the company through rapid growth and industry-defining innovations, building Treez into one of the most trusted commerce platforms in cannabis retail serving over a dozen states. His current focus is leading the company's artificial intelligence initiatives, building the next generation of operational intelligence for retail. Before founding Treez, John developed his expertise in technology and business operations at Accenture and Slalom Consulting.

  • David Yan

    co-CEO

    David joined in late 2019 as the CFO and has been a central part of the company's growth, strategy and operations. In his expanded role as co-CEO David oversees the company's core business. He brings deep expertise in SaaS and Fintech and scaling businesses having held both financial and executive leadership roles at Wrike (acquired by Vista) and Oto Analytics. David also held finance roles at Twitter, led S-1 creation at ForeScout, and has worked across a range of high-growth software businesses after starting his career at KPMG. In 2023 he was named to Finance & Investing magazine's list of Top 25 Software CFOs to Watch, recognizing excellence in financial leadership across the software sector.

  • Ethan Chong

    CTO & SVP of Product Engineering

    Ethan Chong has led Treez's engineering organization through multiple phases of growth, delivering the scalability, security, and speed required to compete in a regulated market. He oversees both engineering and product engineering, unifying technical execution under a single leadership mandate. He builds high-performing, cross-border teams and delivers complex SaaS, IoT, and retail platforms that meet both customer and compliance demands. At Treez, he has driven platform upgrades that modernized architecture, strengthened security and compliance, and accelerated the delivery of new capabilities. His leadership at Treez spans teams in the US, Canada, and India. Prior to Treez, Ethan led engineering at Awair, Grocery Outlet, and GE Digital after starting his career in technology consulting with Accenture and IBM.

  • Shareef El-Sissi

    Co-Founder

  • Rich Thorne

    Head of Product

  • Joey Sterling

    VP of Product

  • Hailey Matos

    Head of Customer Success

  • Josh Lamb

    VP of Sales

  • Brian Tran

    VP of Finance

2025

Launch of Treez Loyalty

Rolled out Treez Loyalty, giving retailers an AI-powered, app-free solution to drive repeat business through digital wallets.

2025

Expansion into New York, Texas, and Maryland

Entered three of the largest and fastest-growing markets in the U.S.

2024

Acquisition of Gap Commerce Unlocks Full Online-to-Offline Retail

With the Dec 2024 acquisition of Gap Commerce, we expanded our product suite to give retailers everything they need to operate, grow, and profit. With the launch of our ecommerce platform, we’re bridging the gap between online sales and dispensary operations, creating a seamless connection just as integrated as our point of sale system.

2023

Acquisition of Swifter

To extend our leadership in TreezPay and cashless payments, we acquired Swifter, a Y Combinator–backed fintech startup based in Bangalore. Through this acquisition, we accelerated development of our industry-leading fintech ecosystem including the launch of the TreezPay Gateway and reinforced our position in integrated retail finance.

2023

Now serving 12 states

After closing our Series C funding, Treez continues to expand to new US markets.

In 2023, we proudly served businesses in Arizona, California, Colorado, Illinois, Maine, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Nevada, and New Jersey.

2022

Treez establishes software development operations in India

Established dedicated software development operations in India to expand product velocity and engineering scale.

2023

Treez Raises $51M in Series C

Treez completed a $51 million Series C round led by institutional growth equity firm Long Ridge Equity Partners, joined by new institutional investors Kayne Anderson and Synchrony, with participation from existing investors.

2020

Canada Engineering Hub Launched

Established Canadian development team to support early platform expansion and global talent growth.

2020

Insights and payments

We expand our product offerings to better serve dispensary retail businesses with cashless payments, powered by TreezPay. Treez also closes a Series B round of funding.

2018

Treez raises $11.5 million

By 2018, Treez was processing 15% of total cannabis sales across California. Our growing footprint allowed us to close our Series A funding.

2016

Treez launches with POS

Seeing that the cannabis industry was growing in size and complexity, we launch our flagship POS system, SellTreez.

Trusted by leading dispensary retail businesses

600+

Retail locations

8,400+

Industry brands

275

Industry partners

15%

Total retail GMV market share, US

Our investors

Learn more

All articles
A person waits with cash to purchase cannabis - at the same time, a budtender checks over an order on the cannabis point of sale system and prepares to hand over a preroll and other cannabis products to the customer
Top 10 Reasons You Should Work with Treez
Whether you are a brand new cannabis retailer or one that is established and growing, choosing the right commerce platform for your business is essential. And while we’re by no means perfect (but, seriously who is?), we at Treez believe that our product and service is something you should strongly consider to help you operate a successful modern dispensary

Grow on

Book a no-hassle demo to learn how Treez can help you meet your business goals today and tomorrow.

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