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Leigh Marie Braswell

Leigh Marie Braswell

Partner at Kleiner Perkins, AI/ML investor, former Scale AI PM

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Joined December 2024
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Summary

Leigh Marie Braswell is a venture capital partner with deep expertise in AI and machine learning applications and infrastructure. She leverages her background as an early engineer and the first product manager at Scale AI, where she built and led 3D annotation products, to identify and invest in next-generation founders in the AI space. Her investment strategy is informed by a critical understanding of the ML lifecycle and the nuances of the AI market, as evidenced by her kleinerperkins+2
With a strong foundation in competitive mathematics and a degree from MIT in Math with Computer Science and Economics, Leigh Marie possesses a robust analytical and problem-solving skillset. Her experience includes quantitative trading at Jane Street, where she learned to quantify risk and make decisions based on positive expected value, a philosophy she applies to venture investing and poker. kleinerperkins+2
Leigh Marie is an active writer and thought leader, sharing her insights on investing, AI, large language models, and product management through her Substack newsletter. Her writings demonstrate a continuous engagement with emerging technologies and a commitment to educating and influencing the tech community. substack+1

Work

Education

Projects

Writing

KP leads Codeium's Series B

January 30, 2024

Discusses Kleiner Perkins's investment in Codeium, highlighting the impact of LLM-assisted developer tooling.

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How to make history with LLMs & other generative models

September 21, 2023

An investor's perspective on the future of LLMs and generative models, offering 'hotter takes' beyond market maps.

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Oppenheimer & Groves' Unlikely Partnership

July 18, 2023

An essay from her 'From the Vault' series, published ahead of the movie release, likely exploring the dynamics between the two figures.

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Product Management at a Startup 101 Talk Notes

December 1, 2022

An idealized transcript of her talk for the Builder's Studio at Slush 2022, covering essential aspects of product management in a startup environment.

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Overview & Applications of Large Language Models (LLMs)

July 15, 2022

A deep dive into Large Language Models from the perspective of an investor and early-stage operator in the space.

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Startup Opportunities in Machine Learning Infrastructure

September 30, 2021

Exploration of startup opportunities within machine learning infrastructure, informed by her experience as an investor and operator.

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The one data platform to rule them all… but according to whom?

July 20, 2021

An overview of recent data startups based on popular end-users, critically examining the concept of a singular data platform.

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Hobbies

Leigh Marie enjoys playing poker, including hosting weekly poker nights with top tech professionals in Silicon Valley. kleinerperkins+3

She is an avid runner and enjoys running long distances. kleinerperkins+1

She has a passion for scuba diving. kleinerperkins+1

Notes

VLViet Lesaid
LMLeigh Marie Braswell
is one of the most impressive young partners they've seen investing in early-stage startups.

Nov 5, 2025

GTGarry Tansaid they would put
LMLeigh Marie Braswell
at the top of their list for growth-focused engineering at fast-growing startups.

Oct 16, 2025

GTGarry Tansaid
LMLeigh Marie Braswell
is one of the top investors they'd recommend to technical founders working on research-heavy AI startups.

Oct 10, 2025

SSSumer Saosaid
LMLeigh Marie Braswell
is one of the most insightful investors they've interacted with.

Sep 8, 2025

ATAlex Teichmansaid if they were starting an AI infrastructure company in San Francisco or Seattle,
LMLeigh Marie Braswell
would be one of the first angels they'd reach out to.

Jun 17, 2025