Lambda

AI · San Francisco, US · lambda.ai

GPU-powered cloud infrastructure provider for AI training and inference.

Founders

Stephen Balaban (United States · ♂) — An early machine-learning engineer at Perceptio (acquired by Apple), he co-founded Lambda in 2012 with his brother to provide deep-learning hardware and GPU cloud for AI training.
Michael Balaban (United States · ♂) — Twin brother and co-founder of Lambda in 2012, leading technology and product direction for its AI infrastructure and GPU cloud.
Lambda Recruiting

Team & hubs

Around 761 people on the team.

Where the team is based, by share of staff.

San Francisco Bay Area35%

Forestville5%

Seattle5%

Riyadh5%

Lehi5%

People & leadership

Saravanan Shanmugam Account CTOLambda Recruiting Founder at LambdaMichael Balaban Co-founder at LambdaAlexei Rodriguez Director of EngineeringNaga Kousick Business Owner at LambdaRobert Brooks IV Chief Commercial OfficerCory L. Director | Governance, Risk and ComplianceStephen Balaban Co-founder and CTO at Lambda (lambda.ai/careers)

Around the web

X ↗GitHub ↗Crunchbase ↗

In the network

Shares the most investors with (number = shared investors):

Ayar Labs 2 Figure AI 2 Nscale 2 Twelve Labs 2

Funding history

Date	Round	Amount
Nov 2025	Funding round Lambda raised $1.5B led by TWG Global after the multi-billion dollar deal with Microsoft for its AI infrastructure with Nvidia GPUs.	$1.5B
Aug 2025	Series D Plus Lambda closed a $480 million Series D co-led by Andra Capital and SGW, with Nvidia and ARK Invest, at a valuation of over $4 billion to scale its GPU cloud.	$480M

Investors

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ARK Invest Andra Capital Andrej Karpathy Fincadia Advisors G Squared In-Q-Tel KHK & Partners NVIDIA SGW TWG Global

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Data is community-curated and may be incomplete.