Location
United States, North America
Check Size
$1M - $3M
Investment Stage
Pre Seed
Seed
Focus Areas
SaaS
AI
BioTech
Developer Tools
EnergyTech
Space
Semiconductors
Pharmaceuticals
About Investor
Keith Adams is Managing Partner at Pebblebed in San Francisco, deploying $1M–$3M into pre‑seed and seed-stage pharmaceuticals, biotech, developer tools, energy tech, space, semiconductors, AI, and therapeutics startups. His most recent investment is Adaptive (via their seed round). He draws on his engineering leadership at Slack, Facebook, and VMware, combining deep technical intensity with venture-building acumen
Previous investments
Adaptive
7M |2025
Meliora Therapeutics
11M |2022
Select Star
2022
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