William D Taylor IV

Angel Investor | Investing in Early Stage Startups and Helping Them Reach Their Highest Valuation

📍 United States🔄 Updated September 2026💼 5 investments📅 3 years investing🗓 Last invested Mar 2024
VC🌍 United States
5
Total investments
0
Early stage
0
Mid stage
4
Late stage
3y
Years active

Portfolio

4 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Angel Investor
Mar 2024
Notion blends your everyday work tools into one. Product roadmap? Company wiki? Meeting notes? With Notion, theyre all in one place, and totally customizable to meet the needs of any workflow. Its the all-in-one workspace for you, your team, and your whole company. We humans are toolmakers by nature, but most of us cant build or modify the software we use every day — arguably our most powerful tool. Our team at Notion is on a mission to make it possible for everyone to shape the tools that shape their lives.
Angel Investor
Feb 2024
Transforming the in-home coffee experience, starting with a new coffee machine. Conscious, clean, and carefully crafted.
late stageManufacturing
Angel Investor
May 2023
Better care for every patient, everywhere: Phamily from Jaan Health For over 4 billion people around the globe, the word “jaan” means life or love. We all cherish the lives and health of those we love. At Jaan Health, nothing is more important than enabling high-quality healthcare for all patients, everywhere, all the time. We believe: High-quality care is only possible when physicians are fairly compensated for all the work they do Physicians can improve clinical outcomes when they can move from reactive, episodic care to proactive care management Patients should be empowered with guidance and support from trusted health care providers wherever and whenever they need it For nearly a decade, we have been building easy-to-use, AI-driven technology to enable medical groups, health systems, and ACOs to better deliver high-ROI, high-quality proactive care across their entire population. Our software platform Phamily has transformed chronic disease management with simple and satisfying technology that lets physicians and care teams focus on increasing patient care, not paperwork.
Angel Squad Member
Mar 2023
Hustle Fund is a venture capital firm investing in hilariously-early pre-seed founders. Learn more about Hustle Fund and pitch us here: hustlefund.vc If you are here to learn about ANGEL SQUAD, youve come to the right place. We help teach professionals how to invest in startups alongside Hustle Fund. Learn how we do this here: https://hustlefund.vc/squad
Experience · 8 entries
All (8)
Investments (5)
Founder (1)
2025
General Partner
Dec 2025
Counterparty Capital is a hybrid public-private crossover fund that leverages information asymmetry to generate non-linear alpha in public equity markets. We systematically transform venture capital board observer intelligence into predictive signals, exploiting the time lag between private market operational reality and public market consensus. Our strategy solves venture capitals two fundamental problems: illiquidity and binary win/lose outcomes. Through strategic intelligence investing in Seed to Series B companies across FinTech, AI/SaaS, and Clean Energy, we secure board observer rights that provide access to raw operational metrics—from customer acquisition costs to CAPEX trends. This private data becomes the foundation for our signal-derived public equity positioning, allowing us to capture value in real-time rather than waiting years for exit events. What sets us apart is our Complex Adaptive Systems approach: even failed startups generate value through the operational intelligence they provide, turning potential total losses into net-positive outcomes through profitable public market trades. We position for inevitable corrections where private reality contradicts public consensus—identifying phase transitions before the market reprices. Counterparty Capital is an information arbitrage machine, buying the news in private markets before it becomes history in public markets.
2024
General Partner
Aug 2024
Launchpad Greenville is a one-of-a-kind Cowork, Incubator, and Accelerator community that operates as both a Tech Village and a Qualified Opportunity Zone Business (QOB). This combination offers product and business development and growth opportunities for guest startups, while also providing unparalleled returns for qualified investors.
Co-Founder
Jul 2024
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Angel Investor
Mar 2024
Notion blends your everyday work tools into one. Product roadmap? Company wiki? Meeting notes? With Notion, theyre all in one place, and totally customizable to meet the needs of any workflow. Its the all-in-one workspace for you, your team, and your whole company. We humans are toolmakers by nature, but most of us cant build or modify the software we use every day — arguably our most powerful tool. Our team at Notion is on a mission to make it possible for everyone to shape the tools that shape their lives.
Angel Investor
Feb 2024
Transforming the in-home coffee experience, starting with a new coffee machine. Conscious, clean, and carefully crafted.
late stageManufacturing
Show all 8 entries ↓
Investment activity
2023–2024 · 5 investments
2023320242
Recent (last 2 years)Earlier