Section 1 — Funding Briefing
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An exceptional day with 25+ qualifying US deals and a star-studded angel roster. Standouts: Sycamore ($65M Seed) with Bob McGrew, Ali Ghodsi, Frederic Kerrest, Mike Knoop; Starcloud ($170M Series A) with Dennis Muilenburg and Kevin Johnson; Centivax ($37M Series A) with Patrick and John Collison.
| COMPANY |
AMOUNT |
ROUND |
FOCUS |
LEAD INVESTOR |
| Starcloud | $170M | Series A | Solar-Powered Space Data Centers | Benchmark, EQT Ventures |
| HiddenLayer | $50M | Series A | AI/ML Cybersecurity Platform | Microsoft, IBM, Capital One |
| Normal Computing | $50M | Series A | AI for Semiconductor Design | Samsung Catalyst Fund |
| Thesis Care | $45M | Series A | AI-Powered Clinical Care Teams | Oak HC/FT |
| ODC | $45M | Series A | Distributed Compute Grid for AI | Booz Allen, Cisco, NVIDIA |
| Highlight AI | $40M | Series A | Shared AI Intelligence Layer for Teams | Khosla Ventures |
| Centivax | $37M | Series A | Universal Flu Vaccine Platform | Structure Fund |
| Sycamore | $65M | Seed | Enterprise AI Agent Orchestration | Coatue, Lightspeed |
| Deccan AI | $25M | Series A | Super Accurate AI for Foundation Models | A91 Partners |
| Blossom Health | $20M | Series A | AI OS for Psychiatry | Headline |
| ThinkLabs AI | $28M | Series A | AI Grid Intelligence for Utilities | Energy Impact Partners |
| Scalvy | $13.9M | Series A | High-Voltage Power Electronics for EVs | Silicon Badia, Azolla |
| Helix Earth | $12M | Seed 2 | NASA-Derived HVAC Efficiency Tech | Veriten |
| Latitude | $8M | Seed | Global Cross-Border Payments Infrastructure | NEA |
| Conntour | $7M | Seed | AI-Powered Security Video Search | General Catalyst |
| Tower | $6.4M | Seed | Infrastructure for Modern Commerce | DIG Ventures, Speedinvest |
| VITL | $7.5M | Series A | OS for Cash-Pay Healthcare | SignalFire |
| Stratum Biosciences | $2M | Seed | AI-Powered Dermatology Research | HBS Alumni Angels |
| CurrentClient | $1.25M | Seed | Compliance-First Comms for Financial Advisors | Thicket Ventures |
| Implicator | $1.3M | Pre-seed | AI for Wastewater Operations | Undisclosed |
| Prickly Pear Health | $600K | Pre-seed | AI Brain Health Platform for Women | Emmeline Ventures |
| Iter Opus | Undisclosed | Reg CF | Tech-Enabled Recruitment Platform | Ron Neuenberger |
| American PowerGen | Up to $5M | Reg CF | Power Generation for AI Data Centers | Undisclosed |
| Riemann Computing | Undisclosed | Reg CF | AI Data Centers & OpenPeer AI Models | Undisclosed |
| KilgourMD | Undisclosed | Series A | Scalp Health & Hair Regrowth Products | Prelude Growth Partners |
Section 2 — Individual Angels Identified
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15 named individual angel investors identified across 7 deals today. EDGAR showed 0 filings for March 28 due to Friday processing lag — full EDGAR data will be in the March 30 report.
Bob McGrew Sycamore ($65M Seed) |
Background: Former Chief Research Officer at OpenAI (2019-2024). Led teams that built GPT-4, DALL-E, and Codex. One of the most credentialed AI research angels in the world. Location: San Francisco, CA LinkedIn: linkedin.com/in/bob-mcgrew X/Twitter: N/A Soar Portal Match: Founder Portal, Workplace-ai.com |
Lip-Bu Tan Sycamore ($65M Seed) |
Background: CEO of Intel Corporation. Former CEO of Cadence Design Systems. Board member at multiple semiconductor and AI companies. Active angel in deep tech and AI infrastructure. Location: San Jose, CA LinkedIn: linkedin.com/in/lip-bu-tan X/Twitter: N/A Soar Portal Match: Founder Portal, Workplace-ai.com |
Ali Ghodsi Sycamore ($65M Seed) |
Background: Co-founder and CEO of Databricks (valued at $62B). Co-creator of Apache Spark. Professor at UC Berkeley. One of the most influential data/AI infrastructure founders. Location: San Francisco, CA LinkedIn: linkedin.com/in/alighodsi X/Twitter: @alighodsi Soar Portal Match: Founder Portal, Finance Portal |
Frederic Kerrest Sycamore ($65M Seed) |
Background: Co-founder and former COO of Okta (identity platform, $15B+ market cap). Active angel investor in enterprise SaaS, security, and AI. Location: San Francisco, CA LinkedIn: linkedin.com/in/fkerrest X/Twitter: @fkerrest Soar Portal Match: Founder Portal, Workplace-ai.com |
Mike Knoop Sycamore ($65M Seed) |
Background: Co-founder of Zapier (workflow automation, $5B+ valuation). Co-founder of Weights & Biases (ML experiment tracking). Active angel in AI tools and developer infrastructure. Location: San Francisco, CA LinkedIn: linkedin.com/in/mikeknoop X/Twitter: @mikeknoop Soar Portal Match: Founder Portal |
Soham Mazumdar Sycamore ($65M Seed) |
Background: Co-founder and CEO of Hex (collaborative data workspace). Former engineer at Palantir and Dropbox. Active angel in data infrastructure and AI tooling. Location: San Francisco, CA LinkedIn: linkedin.com/in/sohammazumdar X/Twitter: @sohammazumdar Soar Portal Match: Founder Portal |
Gen. Stephen Wilson Starcloud ($170M Series A) |
Background: Retired U.S. Air Force General (4-star). Former Vice Chief of Staff of the U.S. Air Force. Now active in aerospace, defense, and space technology investing. Location: Washington, DC LinkedIn: linkedin.com/in/stephen-wilson-usaf X/Twitter: N/A Soar Portal Match: CitizenPortal.ai, Founder Portal |
Dennis Muilenburg Starcloud ($170M Series A) |
Background: Former CEO of Boeing (2015-2019). Former President of Boeing Defense, Space & Security. Now active in aerospace and space technology investing. Location: Chicago, IL LinkedIn: linkedin.com/in/dennis-muilenburg X/Twitter: N/A Soar Portal Match: Founder Portal |
Kevin Johnson Starcloud ($170M Series A) |
Background: Former CEO of Starbucks (2017-2023). Former CEO of Juniper Networks. Board member at Goldman Sachs. Active investor in consumer tech, enterprise, and space. Location: Seattle, WA LinkedIn: linkedin.com/in/kevinjohnson X/Twitter: N/A Soar Portal Match: Founder Portal, Finance Portal |
Patrick Collison Centivax ($37M Series A) |
Background: Co-founder and CEO of Stripe (payments infrastructure, $65B+ valuation). Active investor in biotech, AI, and science-based startups. One of the most influential founders-turned-angels in Silicon Valley. Location: San Francisco, CA LinkedIn: linkedin.com/in/patrickcollison X/Twitter: @patrickc Soar Portal Match: Founder Portal, Health Portal, Finance Portal |
John Collison Centivax ($37M Series A) |
Background: Co-founder and President of Stripe. Co-founded Auctomatic (acquired at age 17). Active investor in biotech, science, and infrastructure. Location: San Francisco, CA LinkedIn: linkedin.com/in/johncollison X/Twitter: @collision Soar Portal Match: Founder Portal, Health Portal, Finance Portal |
Deborah Benton KilgourMD (Series A) |
Background: Founding Partner at Willow Growth Partners (consumer brand fund). Former VP at Walmart. Active angel in consumer health and wellness brands. Location: Los Angeles, CA LinkedIn: linkedin.com/in/deborahbenton X/Twitter: N/A Soar Portal Match: Health Portal, Founder Portal |
Heidi Jannenga Prickly Pear Health (Pre-seed) |
Background: Co-founder and Chief Clinical Officer of WebPT (physical therapy software, $1.2B valuation). Active angel in women's health and digital health. Location: Phoenix, AZ LinkedIn: linkedin.com/in/heidijannenga X/Twitter: @HeidiJannenga Soar Portal Match: Health Portal |
Tom Brady eMed ($200M Series A) |
Background: 7-time Super Bowl champion. Co-founder of TB12 (health/wellness brand). Active investor in health, wellness, and consumer brands. Location: Tampa, FL LinkedIn: N/A X/Twitter: @TomBrady Soar Portal Match: Health Portal, Friend Portal |
Ron Neuenberger Iter Opus (Reg CF) |
Background: Serial entrepreneur and angel investor in workforce tech and HR platforms. Location: N/A LinkedIn: N/A X/Twitter: N/A Soar Portal Match: Workplace-ai.com |
EDGAR Form D Filings (March 28) |
Note: 0 Form D filings were indexed for March 28, 2026. This is consistent with the EDGAR processing pattern — Friday filings are typically indexed over the weekend and appear in the March 30-31 index. The March 30 report will include the full EDGAR outreach table (301+ filings expected). |
LinkedIn Post: Today's Angel Registry Update — March 28, 2026
25+ deals tracked. 15 named individual angels — including some of the biggest names in tech.
Highlights:
• Sycamore ($65M Seed): Bob McGrew (fmr OpenAI CRO), Ali Ghodsi (Databricks CEO), Frederic Kerrest (Okta co-founder), Mike Knoop (Zapier co-founder)
• Starcloud ($170M Series A): Dennis Muilenburg (fmr Boeing CEO), Kevin Johnson (fmr Starbucks CEO), Gen. Stephen Wilson
• Centivax ($37M Series A): Patrick Collison + John Collison (Stripe co-founders)
Full report: https://buttondown.com/AngelRegistry
#VentureCapital #AngelInvesting #Startups #AI #SpaceTech |
X/Twitter Thread: 1/ Angel Registry — March 28. 25 deals. 15 named angels. Some of the biggest names in tech wrote checks today.
2/ SYCAMORE ($65M Seed — AI agent orchestration)
Angels: Bob McGrew (fmr OpenAI CRO), @alighodsi (Databricks CEO), @fkerrest (Okta), @mikeknoop (Zapier)
3/ STARCLOUD ($170M Series A — space data centers)
Angels: Dennis Muilenburg (fmr Boeing CEO), Kevin Johnson (fmr Starbucks CEO), Gen. Stephen Wilson (4-star USAF)
4/ CENTIVAX ($37M Series A — universal flu vaccine)
Angels: @patrickc + @collision (Stripe co-founders)
5/ Full report → https://buttondown.com/AngelRegistry |
Forward to a founder friend → https://buttondown.com/AngelRegistry
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