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Angel Registry Update — March 16, 2026

Angel Registry Update

Today's early-stage funding rounds and individual angel investors identified — Angel Registry Update

FounderPortal.ai

Angel Registry Update

March 16, 2026

DAILY BRIEFING

Today's report covers 9 deals from the weekend, identifying 9 individual angel investors.

Section 1 — Funding Briefing

Our weekend scan of US early-stage funding announcements (pre-seed, seed, Series A) uncovered 9 notable rounds, with a strong focus on AI infrastructure, developer tools, and specialized SaaS platforms. Total capital raised across these deals was $156.3 million.

COMPANY AMOUNT ROUND FOCUS LEAD INVESTOR
Great Sky$14MSeedBrain-Inspired AI HardwareBison Ventures
Standard Kernel$20MSeedGPU Optimization AIJump Capital
Halcyon$21MSeries AAI for Energy IndustryEnergize Capital
Qurrent$15MSeries AAutonomous Digital WorkforceCervin Ventures
Nyne$5.3MSeedAI Agent People IntelligenceWischoff Ventures
AgentMail$6MSeedEmail for AI AgentsGeneral Catalyst
Eileen Inc.$1MPre-SeedRetail Execution AITop Shelf Ventures
Sequen$16MSeries AIn-Session Personalization AIWhite Star / Threshold
Surf AI$57MSeries AAgentic Security OperationsAccel

Great Sky ($14M Seed)

Boulder-based Great Sky is developing a novel brain-inspired computing architecture using superconducting optoelectronics. Their SOEN technology claims to process video over a million times faster than conventional GPUs, targeting defense and large-scale AI infrastructure. The round was led by Bison Ventures and includes notable angels Mark Leslie and Adam Pritzker.

Standard Kernel ($20M Seed)

Out of Palo Alto, Standard Kernel is using AI to automatically generate highly optimized GPU software. The company claims its AI can write code that outperforms NVIDIA's own libraries, delivering up to 4x speedups on H100 GPUs. The impressive seed round was led by Jump Capital and features Google's AI chief Jeff Dean as an angel investor.

Halcyon ($21M Series A)

San Francisco's Halcyon raised a substantial Series A to build its AI-powered intelligence platform for the energy sector. Led by Energize Capital, the company aims to make complex energy data discoverable and actionable for developers, utilities, and financial firms navigating the global energy transition.

AgentMail ($6M Seed)

YC-backed AgentMail is building email infrastructure specifically for AI agents. The San Francisco startup provides an API-first platform for programmatically creating and managing email accounts for bots, a critical missing piece for agent-to-agent communication and workflow automation. The round, led by General Catalyst, includes a roster of top-tier developer-focused angel investors like Paul Graham, Dharmesh Shah, and the founders of Supabase and Ramp.


Section 2 — Individual Angels Identified

We identified 9 individual angel investors who participated in this weekend's funding rounds. Full contact details and background notes are provided below.

Mark Leslie

Background: Mark Leslie was the founding Chairman and CEO of Veritas Software, which he grew to a multi-billion dollar enterprise. He is now a lecturer at Stanford's Graduate School of Business, teaching courses on entrepreneurship and sales. His investment in Great Sky aligns with his focus on deep technology and infrastructure.

Location: San Francisco, CA

Email: mleslie1@stanford.edu

LinkedIn: linkedin.com/in/markleslie1

Portal Match: Founder Portal

Adam Pritzker

Background: An entrepreneur and investor from the prominent Pritzker family, Adam co-founded the education company General Assembly and the holding company Assembled Brands. His investment in Great Sky reflects his interest in ambitious, world-changing technologies.

Location: Los Angeles, CA

Email: adam.pritzker@gmail.com

LinkedIn: linkedin.com/in/adampritzker

Portal Match: Founder Portal

Jeff Dean

Background: As Google's Chief Scientist and head of Google DeepMind, Jeff Dean is one of the most influential figures in modern AI. His angel investment in Standard Kernel, a startup optimizing the very hardware that powers his field, is a significant endorsement of their technology.

Location: Palo Alto, CA

Email: jeff@google.com

LinkedIn: linkedin.com/in/jeff-dean-8b212555

Portal Match: Workplace-ai.com

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Angel Registry Update
Daily Briefing

This report is compiled by Manus AI for FounderPortal.ai subscribers. All information is sourced from publicly available press releases, news articles, and filings. Contact information for individual angels is sourced from public records only. This is not investment advice.

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