Leonardo De Moura in

Leonardo De Moura

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Senior Principal Applied Scientist at Amazon Web Services (AWS)
📍 Redmond, Washington, United States

Leonardo is a Senior Principal Applied Scientist in the Automated Reasoning Group at AWS, with a PhD from Pontifícia Universidade Católica do Rio de Janeiro. He previously spent over 16 years as a Senior Principal Researcher at Microsoft Research, establishing himself as an expert in formal methods.

Outside of his corporate role, Leonardo dedicates his time to the Lean FRO, a non-profit organization he co-founded. He serves as its Chief Architect and a board member, passionately supporting the open-source ecosystem he helped create.

He is the original creator of the Lean Theorem Prover, a widely recognized tool used in mathematics and computer science.

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Current Role
Senior Principal Applied Scientist
Location
Redmond, Washington, United States
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Priorities

Topics Leonardo cares about

Theorem Proving
He is the creator of the Lean Theorem Prover, a major project he continues to architect and develop through his non-profit, the Lean FRO.
Automated Reasoning
His career at both AWS and Microsoft Research is centered in this field, where he works as a Senior Principal Scientist developing new techniques and tools.
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Career

Work history

4-2023
Senior Principal Applied Scientist
Amazon Web Services (AWS)
7-2023
Chief Architect and Board Member
Lean FRO
Microsoft Research
16 yrs 8 mos
2-2001 - 8-2006
Computer Scientist
SRI International
In the press

Media appearances

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Education
1996 - 2000
Doctor of Philosophy (PhD)
Pontifícia Universidade Católica do Rio de Janeiro
1994 - 1996
Master of Science (MSc)
Pontifícia Universidade Católica do Rio de Janeiro
Social presence
in
Behavioral profile

DISC profile (public)

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