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LucidCloud

lucidcloud.io · San Francisco, CA

“Technical founders building transformational infrastructure and AI companies in data, security, and enterprise tools. We provide capital, operational guidance, and network access to accelerate growth.”

$50K – $500K
Check Size
Follows
Lead Tendency
~2 Weeks
Timeline
01Investment Thesis

The best companies are built by teams that deeply understand their domain and solve hard technical problems.

Exclusion Criteria

Consumer businesses, non-technical founders, business models without defensibility, passive capital seekers

02Investment Team
SK
Shawn Kung
Founder & Super Angel
03F4 Research Brief

LucidCloud Advisors Research

Investment Thesis

LucidCloud Advisors is a specialized super angel and advisory firm focused on early-stage venture-scale software startups. Founded in 2009 by Shawn Kung, the firm believes in hands-on advisory and strategic guidance to help technical founders build transformational companies. LucidCloud operates at the intersection of infrastructure, data, AI, and security—areas where technical depth and operational expertise create sustainable competitive advantages.

Investment Focus Areas

LucidCloud Advisors primarily invests in three core verticals:

1. AI & Data Infrastructure

  • Vector databases and retrieval systems
  • Query optimization and database systems
  • Data pipelines and ETL platforms
  • Serverless and cloud-native data infrastructure
  • AI-native application frameworks

2. Cybersecurity & Identity

  • VM security and virtualization
  • Identity and access management
  • Enterprise security platforms
  • Data security and privacy

3. B2B SaaS & Enterprise AI

  • Enterprise RAG systems
  • AI-powered agent applications
  • Developer tools and infrastructure
  • Business intelligence platforms

Investment Stage & Check Size

LucidCloud Advisors operates across the pre-seed to Series A spectrum:

  • Pre-Seed: $50K-$250K for exceptional technical founders with strong ideas
  • Seed: $100K-$500K for teams with working products
  • Series A: $250K-$1M follow-on for portfolio companies

As a super angel and advisor, Shawn Kung takes smaller check sizes but provides disproportionate value through operational guidance, strategic advice, and network access. The firm is highly selective and focuses on founders Shawn has personally vetted or referred through his extensive Stanford and Silicon Valley network.

Lead vs. Follow Tendency

LucidCloud typically follows on investments or participates as a strategic advisor/angel rather than leading institutional rounds. The investment model is collaborative—Shawn identifies promising founders, provides early guidance, and often brings in institutional partners for larger rounds. The firm's strength lies in early-stage discovery and operational support rather than institutional lead capacity.

Recent Activity (2024-2025)

LucidCloud has been actively investing in AI and data infrastructure companies, with notable recent activity:

  • Neon (2022): Led angel investment in serverless Postgres startup. Exit: Acquired by Databricks (2025) - One of Shawn's second exits in 2025
  • MotherDuck: Early investor in DuckDB's commercial venture (SQL engine for analytical queries)
  • Databricks: Early support through angel/advisor roles
  • Postgres Search (2024): Invested in vector search for PostgreSQL
  • Query Router (2025): Recent investment in query optimization
  • AI Writing (2023): Investment in AI writing assistants
  • Enterprise RAG (2022): Investment in retrieval-augmented generation systems
  • BI Platform (2022): Data visualization and business intelligence
  • AI Virtualization (2016): Acquired by VMware - Successful exit
  • Identity Security (2019): Acquired by Stripe - Strategic acquisition
  • AI Data Pipeline (2022): Acquired by SentinelOne

Fund status: Actively investing and advising. The firm closes 2-3 investments per year and maintains 50+ active portfolio advisor relationships.

Portfolio Track Record

LucidCloud has an exceptional track record of identifying transformational companies:

Notable Exits:

  • Aster Data Systems: Pre-seed to $300M acquisition
  • Tenable Security: Series B to $3B IPO
  • Zuora: Series A investor, now public company
  • Facebook: Early angel investor (Shawn's personal investment)
  • Cohesity: Early stage investor, now major enterprise player
  • VMware (AI Virtualization acquisition): $600M+ deal
  • Stripe (Identity Security acquisition): Strategic acquisition
  • SentinelOne (AI Data Pipeline acquisition): Enterprise security leader
  • Databricks (Neon acquisition): Data and AI platform consolidation

Active Portfolio Highlights (15+ companies):

  • MotherDuck: DuckDB commercial platform
  • Databricks: Data and AI platform
  • GreyBeam: Data management
  • DepthFirst: Developer tools
  • PerfectScale: Kubernetes optimization

Team & Expertise

Shawn Kung - Founder & Super Angel

  • 20+ years in Silicon Valley
  • Stanford MS (Management Science & Engineering), Princeton BA, Harvard Business School certificate
  • Former EIR and Venture Partner at AV8 Ventures
  • Stanford entrepreneurship lecturer
  • Founded GIT1K (angel syndicate for IT/Engineering/Data/Cyber leaders)
  • Founded Founders Club (5000+ member startup community)
  • Multiple successful exits as operator and investor

LucidCloud operates as a solo GP model with Shawn Kung as the primary decision-maker and advisor. The firm leverages its Stanford network and Silicon Valley relationships for deal flow and due diligence.

Investment Philosophy

  1. Technical Founders: Strong preference for deeply technical founders with domain expertise
  2. Infrastructure Focus: Believes transformational companies are built on modern infrastructure
  3. Hands-On Support: Goes beyond capital to provide product, go-to-market, and hiring guidance
  4. Network Access: Provides intros to enterprise customers, strategic partners, and subsequent investors
  5. Patient Capital: Willing to support founders through multiple iterations and pivots
  6. Operational Expertise: Leverages 20+ years of operator experience and successful exits

Geographic Focus

Primarily Silicon Valley and San Francisco Bay Area, with some exposure to:

  • NYC (early-stage tech hub)
  • Los Angeles (growing infrastructure and AI scene)
  • Remote-first teams (increasingly willing to back distributed teams)

Decision Process & Timeline

  • Decision Model: Solo GP (Shawn Kung makes final decisions with input from advisors)
  • Warm Intros Required: Yes - Shawn's network is his deal flow engine
  • Decision Timeline: 2-4 weeks typical for interested founders (highly selective)
  • Typical Involvement: Advisor/board observer role, monthly check-ins, strategic guidance
  • Portfolio Support: Active involvement in hiring, product refinement, fundraising strategy

Alignment & Anti-Thesis

What They Love:

  • Founders with operational experience or technical depth
  • B2B infrastructure and developer tools
  • Companies solving hard technical problems
  • Teams with strong convictions
  • Long-term relationship potential

What They Avoid:

  • Consumer/lifestyle businesses
  • Teams without technical founders
  • Business models without clear defensibility
  • Founders seeking passive capital

Current Context (2025)

Shawn Kung is highly optimistic about agentic AI and sees it as a fundamental inflection point—not just another wave. Recent LinkedIn posts emphasize that AI agents executing end-to-end tasks represent replacement of labor-intensive functions, not just augmentation. This suggests increased interest in:

  • AI agentic applications
  • Automation infrastructure
  • Tools enabling autonomous systems
  • Enterprise software benefiting from agent-driven workflows

The firm remains actively engaged with the startup ecosystem and continues to mentor and advise beyond just capital deployment.

04Selected Portfolio
Developer Tools & Infrastructure
Databricks·Pinecone
Enterprise Software
Motherduck·AI Writing·BI Platform·GreyBeam·PerfectScale·Vectara·Omni Analytics·Wajo AI
Media & Entertainment
Neon
Security & Cybersecurity
DepthFirst·Cohesity·Observo AI·Tenable Network Security·Doppel
Other
Postgres Search·Query Router·Enterprise RAG·Zuora
Open the full portfolio→
05Recent Updates

Fresh signals from public announcements, essays, and portfolio activity.

See full activity (7) →
Shawn Kung / LucidCloud Investor at Doppel (doppel.com) - Social Engineering AI Security platform - since Jul 2026. Listed on LucidCloud portfolio as Social Eng AI Security 2026.
INVESTMENT·linkedin.com
JUL 2026
Shawn Kung / LucidCloud Angel & Advisor at Wajo AI (wajo.ai) - Agentic AI platform - since May 2026. Listed on LucidCloud portfolio as Agentic AI 2026.
INVESTMENT·linkedin.com
MAY 2026
Portfolio company Omni Analytics raised a $120M Series C at a $1.5B valuation.
MILESTONE·omni.co+1
APR 23, 2026
Portfolio company DepthFirst raised an $80M Series B for its AI-native security platform.
MILESTONE·depthfirst.com
MAR 31, 2026
Portfolio company Observo AI agreed to be acquired by SentinelOne.
EXIT·sentinelone.com+1
SEP 8, 2025
06Frequent co-investors
9C
9Yards Capital
Both backed 2 of the same companies
Databricks, Doppel
AH
Andreessen Horowitz
Both backed 2 of the same companies
Databricks, Pinecone
EC
Eastlink Capital
Both backed 2 of the same companies
Databricks, Motherduck
EV
Essence VC
Both backed 2 of the same companies
Vectara, Motherduck
HC
House Capital
Both backed 2 of the same companies
Databricks, DepthFirst
Find the investors for your round→
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Quick Reference
Check Size
$50K – $500K
Stages
Pre-Seed · Seed · Series A
Decision
Solo GP · ~2 Weeks
Warm Intro
Preferred
Involvement
Advisor
Location
San Francisco, CA
Sector Focus
Enterprise SoftwareDeveloper Tools & InfrastructureSecurity & Cybersecurity
Models
AI InfrastructureData InfrastructureEnterprise SecurityDeveloper Tools
Technology
AI/MLDatabase SystemsCloud InfrastructureVector Search
See all Enterprise Software investors →See all Developer Tools & Infrastructure investors →See all Security & Cybersecurity investors →
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Focus Areas
Enterprise SoftwareDeveloper Tools & InfrastructureSecurity & Cybersecurity

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F4 Intelligence Report · Last Researched September 17, 2026F4 Research Engine