Stephen Marshall

Building in stealth: AI that teaches, not just tests | Unlimited board-level questions, grounded and adaptive, that build higher-order thinking | Decades scaling large systems and ML

📍 Duluth, Georgia, United States🔄 Updated October 2026💼 3 investments📅 11 years investing🗓 Last invested Sep 2018𝕏 @upgrade_to_unlock
Operator-angel🌍 United States
3
Total investments
1
Early stage
1
Mid stage
0
Late stage
11y
Years active

Portfolio

2 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Investor, Board Advisor
Sep 2018
Verto Analytics provides a consumer-centric measurement solution for monitoring the complex behavior of today’s consumer on every device, app, and platform used throughout the day. We provide data and insights that inform marketing, competitive intelligence, media buying, product strategy and development.
mid stageResearch
Investor, Advisor
Sep 2018
Welcome to the LIVEKINDLY House From upscale plant-based dining, eco-friendly stores, wellness centers, culinary education and more. Living kindly has never been easier or more enjoyable than it is here, today. We invite you to experience truly unforgettable moments, enveloped by conscious, sustainable living. LIVEKINDLY’s new flagship destinations will delight you and our planet, one city at a time.
early stageHospitality
Experience · 8 entries
All (8)
Investments (3)
Founder (2)
2025
Co-Founder & CEO
Aug 2025
A network for entrepreneurs building in stealth. Submit your information here so investors can find you: harmonic.ai/get-discovered
2018
Investor, Board Advisor
Sep 2018
Verto Analytics provides a consumer-centric measurement solution for monitoring the complex behavior of today’s consumer on every device, app, and platform used throughout the day. We provide data and insights that inform marketing, competitive intelligence, media buying, product strategy and development.
mid stageResearch
Investor, Advisor
Sep 2018
Welcome to the LIVEKINDLY House From upscale plant-based dining, eco-friendly stores, wellness centers, culinary education and more. Living kindly has never been easier or more enjoyable than it is here, today. We invite you to experience truly unforgettable moments, enveloped by conscious, sustainable living. LIVEKINDLY’s new flagship destinations will delight you and our planet, one city at a time.
early stageHospitality
2017
Deep Fractal
Founding Partner
Nov 2017
2015
Bluffworks
Investor, Advisor
Jan 2015
Show all 8 entries ↓
Investment activity
2015–2018 · 3 investments
2015120182
Recent (last 2 years)Earlier