Sportsbox AI
Category: Computer Vision
An AI-powered sports technology platform that provides markerless 3D motion analysis and biomechanical feedback using a single smartphone camera. Sportsbox AI was founded in 2020. The company is led by Jeehae Lee. Based in Bellevue, USA. Team size: 30. Total funding raised: $9.1M. Latest round: Acquisition (Apr 2026). Key investors include Elysian Park Ventures, PGA of America, David Leadbetter, Michelle Wie West, Bryson DeChambeau.
- Founded
- 2020
- Headquarters
- Bellevue, USA
- Team size
- 30
- Total funding
- $9.1M
Value proposition
Democratizes elite-level 3D biomechanics by eliminating the need for expensive multi-camera studios or wearable sensors, providing lab-quality data through a standard mobile device.
Products and solutions
Sportsbox 3D Golf (Professional coaching tool), Sportsbox 3D Practice (Consumer-facing training app), SAMI (Sportsbox AI Management Interface - Agentic AI coaching assistant), 3D Biomechanics API (Enterprise integration solution), Sportsbox 3D World (Social and competitive platform)
Unique value
The first platform to deliver comprehensive 3D kinematic data (angles, speeds, and sequences) from a single 2D video source without requiring any physical markers or sensors on the athlete.
Target customer
Professional and amateur golfers, golf instructors, sports academies, and elite athletic programs.
Industries served
Sports Technology, Golf Instruction, Biomechanics & Kinesiology, Fitness & Wellness, Consumer Electronics (Mobile Apps)
Technology advantage
Leverages proprietary computer vision and deep learning models trained on massive datasets of 3D motion capture to transform 2D pixels into a 3D 'avatar' with sub-degree accuracy.
How they differentiate
Proprietary markerless 3D kinematic AI that transforms standard 2D mobile video into comprehensive biomechanical data with sub-degree accuracy, eliminating the need for sensors or multi-camera setups.
Main competitors
ProPlayAI (SwingAI), Mustard, V1 Sports
Key partnerships
PGA of America (Official 3D Motion Analysis Software), Leadbetter Golf Academy, Google Cloud (Integration of Gemini for SAMI AI assistant), Five Iron Golf, Strategic Ambassadors: Bryson DeChambeau, Michelle Wie West, and David Leadbetter
Notable customers
PGA of America, Leadbetter Golf Academy, Five Iron Golf
Major milestones
Named Official 3D Motion Analysis Software of the PGA of America, Launched 'SAMI', an agentic AI coaching assistant powered by Google Cloud Gemini, Acquired by an investor group led by Bryson DeChambeau in April 2026
Growth metrics
Team of 30 employees; successfully scaled to an eight-figure acquisition within 6 years of founding.
Market positioning
High-performance sports technology leader targeting professional instructors and elite athletes with lab-quality data on mobile devices.
Geographic focus
North America, Asia-Pacific (specifically South Korea), and Europe.
Patents and IP
Holds multiple US patents including 11,640,725; 11,620,858; 11,615,648; 11,620,783; 11,941,916; and 11,935,330 covering 3D motion capture and kinematic AI technology.
About Jeehae Lee
Jeehae Lee is a former professional golfer on the LPGA Tour (2006–2011) and a prominent sports technology executive. Prior to founding Sportsbox AI, she served as the Head of Strategy and Business Development for Topgolf's Toptracer division, where she led growth initiatives for their ball-tracking technology. She also managed the career of golf superstar Michelle Wie West at IMG. She holds an MBA from the Wharton School and a BA in Economics from Yale University.
Official website: https://www.sportsbox.ai