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About

Garrett Hampton

Chief Technology Officer at MainStem · Seattle, WA

I am a seasoned CTO and AI engineer currently working at MainStem, where I focus on building intelligent systems and scalable architecture.

My expertise spans artificial intelligence, systems architecture, security, and data engineering. I leverage modern AI to accelerate development while maintaining robust, secure foundations.

With 15+ years of professional experience and several successful acquisitions, I have built solutions across banking, FinTech, supply chain, and medical radiology.

Expertise

  • Artificial Intelligence
  • Machine Learning
  • Systems Architecture
  • Information Security
  • Data Engineering
  • Software Engineering
  • FinTech
  • Supply Chain

Experience

  • Chief Technology Officer, MainStem.io

    Jun 2017 - Present · Seattle, WA

    Providing strategic technical leadership to the executive team, defining and executing overall technical vision. Overseeing all digital initiatives including development, product management, UX design, API integrations, security, and regulatory compliance.

  • Chief Technology Officer, Contract CTO

    Jul 2015 - Jun 2017 · Seattle, WA

    Following three consecutive acquisitions, served as contract CTO providing strategic guidance to diverse companies across multiple tech industries. Led product development and team growth initiatives.

  • Chief Technology Officer, Viridian Sciences

    Jul 2014 - Jul 2015 · Vancouver, WA

    Acquired by NASDAQ: KERN

    Led development of proprietary .NET C# applications integrated with SAP's BusinessOne platform. Contributed significant IP including patented technologies that enhanced operational efficiency.

  • Owner, Jovian Business

    Jan 2013 - Jul 2014 · Las Vegas, NV

    Acquired by Viridian Sciences

    Founded and led a technology consulting business, overseeing architecture, planning, and management of technology solutions across various industries.

  • Director of Software Engineering, Best Rate Referrals

    Jul 2009 - Jan 2013 · Las Vegas, NV

    Acquired by Digital Media Solutions

    Maintained and optimized technology infrastructure while developing custom business applications. Programmed real-time data processing solutions in C# for efficient lead delivery and management.

Awards

  • Inc 5000 - 2026, Inc. Magazine (2026) — MainStem Inc. was included in the 2026 list of Inc 5000 fastest growing private companies in the United States. This is the second time MainStem has won the award.
  • Inc 5000 - 2021, Inc. Magazine (2021) — Return to the prestigious list recognizing America's fastest-growing companies
  • Young Philanthropist of the Year, American Cancer Society (2014) — Awarded for outstanding contributions to cancer research and community support
  • Inc 5000 - 2013, Inc. Magazine (2013) — Fourth consecutive year of remarkable company growth
  • Inc 5000 - 2012, Inc. Magazine (2012) — Continued recognition for sustained rapid growth
  • Inc 5000 - 2011, Inc. Magazine (2011) — Honored for exceptional growth and business leadership
  • Inc 500 - 2010, Inc. Magazine (2010) — Recognized as one of the 500 fastest-growing private companies in America

Patents

  • System and method for tracking the production and sale of regulated agricultural products

    US20170024689A1 · March 7, 2016

    A system for secure tracking of regulated agricultural products through production, retailing, and sale phases using containers with specific security keys and attributes.

    View patent

Community

  • American Cancer Society — Website & Events Volunteer; Young Philanthropist of the Year
  • Code.org — Volunteer Instructor
  • Kitsap Father's Group — Website & Events Coordinator
  • LV Blues Society — Web, Events & Lead Guitarist
  • Beagle Rescue Foundation — Website & Events Volunteer (2014–2016)