John W. Litz

Creating the Achievement Verification Category | CEO, The Mynt Group | 6x Founder Exit | Investor

📍 San Francisco, California, United States🔄 Updated September 2026💼 16 investments📅 20 years investing🗓 Last invested Feb 2024
VC🌍 United States
16
Total investments
5
Early stage
1
Mid stage
2
Late stage
20y
Years active

Portfolio

9 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Angel Investor
May 2023
Revolutionizing our grid through ground-breaking plasma boring technology, creating tunnels for Fiber, Energy, Water, Gas, Vehicles, Pedestrians, and High-Speed Transit.
late stageUtilities
Angel Investor
May 2023
Sorfeo is building the next great consumer products company by acquiring and growing brands that get their start on Amazon. We buy proven brands with $250k to $2.5 million in sales. Our approach is quick and easy; we close most deals in less than 30 days.
mid stageManufacturing
Angel Investor
Apr 2023
Polygraf AI redefines AI security for critical operations. Our proprietary Small Language Model (SLM) technology enables organizations to detect, explain and mitigate AI risks - from data leakage and compliance violations to deepfakes and synthetic content - using local, explainable and auditable AI solutions. The company was named ‘Best in Show’ at SXSW 2025, where it also won in the Enterprise, Smart Data, FinTech & Future of Work category. It was also recognized as Top AI & Data Product (2025), Top AI Governance Product (2024), Top AI Content Detection Product (2024) in the prestigious Product Awards by Products That Count, and ranked Top Analytics Startup to Watch Globally by Dealroom.
Angel Investor
Apr 2022
Boomerang reconnects people with their lost items 🪃💙 #FoundOnBoomerang
Investor
Nov 2017
World-class beverages & food served unpretentiously in an intimate, neighborhood bar. Opening Fall 2017 in Pacific Heights, SF.
early stageRestaurants
Angel Investor
Jun 2017
Blendid is transforming the way food is prepared and served to meet the unique health and taste preferences of today’s consumers. Blendid offers autonomous robotics food kiosks that use advanced technology – including robotics, machine vision, and artificial intelligence – to prepare and serve healthy, fresh, and delicious smoothies, known as Blends. Blends are customized and made-to-order based on an individual’s preferences, using only fresh fruit and vegetables. Licensed to food service operators, Blendid requires no full-time staff and can be accessible 24 hours a day, making it perfect for busy cafeterias, supermarkets, gyms, airports, stadiums and offices. Blendid kiosks are currently available in several Northern California locations, but will soon be available nationwide. With an expanding set of locations, Blendid is on a pathway to fulfill its mission to make healthy and delicious eating, at an affordable price, accessible for all.
early stageFood & Beverages
Advisor, Lead Investor
Apr 2017
Your Fare is a leading online ordering management solution for restaurants that integrates multiple third party delivery services into one simple, user-friendly platform. Now more than ever, online ordering is an essential component to the restaurant business. Your Fare has built a single platform for all online orders. The platform allows restaurateurs to replace their online ordering tablets and track all their daily sales on one dashboard.
early stageRestaurants
Investor
Feb 2017
Ciel Medical is a hospital & health care company based out of 424 CLINTON STREET, REDWOOD CITY, Redwood City, CA, United States.
Angel Investor
Feb 2017
sales@cielmedicalsupplies.com
Experience · 28 entries
All (28)
Investments (16)
Founder (11)
Board (1)
2025
CoFounder, CEO
Jun 2025
The Mynt Group is building the infrastructure for Achievement Verification. Starting with real estate and finance, MyntMark Verified Digital Awards™ connect deal awards to permanent blockchain-verified records allowing deeper engagement and future opportunities between Brokers and their clients.
2024
Angel Investor
Feb 2024
EchoPixel is building a new world of patient care with its interactive, 3D medical visualization software. The True 3D system allows medical professionals to interact with patient-specific organs and tissue in an open 3D space emanating from a display, enabling doctors to immediately identify, evaluate, and dissect clinically significant structures. In diagnostic, surgical planning and image guided treatment applications, EchoPixel is a privately held, venture backed company located in Santa Clara, CA.
Angel Investor
Feb 2024
EchoPixel is building a new world of patient care with its interactive, 3D medical visualization software. The True 3D system allows medical professionals to interact with patient-specific organs and tissue in an open 3D space emanating from a display, enabling doctors to immediately identify, evaluate, and dissect clinically significant structures. In diagnostic, surgical planning and image guided treatment applications, EchoPixel is a privately held, venture backed company located in Santa Clara, CA.
2023
Angel Investor
May 2023
Revolutionizing our grid through ground-breaking plasma boring technology, creating tunnels for Fiber, Energy, Water, Gas, Vehicles, Pedestrians, and High-Speed Transit.
late stageUtilities
Angel Investor
May 2023
Sorfeo is building the next great consumer products company by acquiring and growing brands that get their start on Amazon. We buy proven brands with $250k to $2.5 million in sales. Our approach is quick and easy; we close most deals in less than 30 days.
mid stageManufacturing
Show all 28 entries ↓
Investment activity
2006–2024 · 16 investments
20061201772018120201202212023320242
Recent (last 2 years)Earlier