Stephanie Zhan

Reviewed Updated Mar 16, 2026

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Partner on Sequoia's seed/early team (since 2015), focuses on AI founders at company formation. Previously Product Manager at Nest (Google). Forbes Midas Brink List 2024; Business Insider best female early-stage investor. Portfolio 36% AI/ML infrastructure (Skild AI, Reflection AI, Ricursive Intelligence, Replicate), 21% consumer (Rec Room, Sunday, Brud), 14% developer tools (Linear, Middesk). Strong pattern of cold outreach and founder discovery via product signals. Thesis evolved from consumer (2016-2020) toward current AI focus.

Location San Francisco, California

Check Size $1M-$10M

Last Verified Investment Ricursive Intelligence (Seed) — Dec 2025

Social @stephzhan LinkedIn

Stage Focus

pre-seed seed series-a

Sector Focus

ai developer-tools consumer defense fintech web3

Background

Stephanie Zhan is a Partner on Sequoia Capital’s seed and early-stage team, which she joined in July 2015 ¹. She grew up in Hong Kong and Beijing during the early internet era, an experience that shaped her belief in technology’s capacity to improve lives at scale ². She studied Computer Science at Stanford University, where she was advised by Andrew Ng during an early era of AI research ². Through connections formed at Stanford and in the Bay Area startup community, she was acquainted with OpenAI’s founding circle in 2015 ².

Before joining Sequoia, Zhan worked as an Associate Product Marketing Manager at Google (on Google Maps) and as a Product Manager at Nest ³. An unexpected turn led her out of product roles and into venture capital — she has described abandoning rigid career plans after a series of unplanned transitions across Google, Nest, and ultimately Sequoia ².

In 2024, Zhan was named to the Forbes “Midas Brink List” ⁴ and recognized by Business Insider as one of the best female early-stage investors ⁵. She has given a TED Talk at TED AI San Francisco 2024 titled “Dreaming of daily life with superintelligent AI” ⁶ and has co-hosted Sequoia’s “Training Data” podcast ⁷.

Stated Thesis

Zhan publicly describes her focus as backing the most ambitious founders at the earliest possible stage — ideally at company formation — across artificial intelligence, developer tools and infrastructure, and consumer technology ¹.

She states that she looks for founders who are “thoughtful, with high slope, agency, a bias for action, and who have deep mental and emotional fortitude” ¹. She describes herself as wanting to be “your very first believer,” noting that most of the companies on whose boards she sits were partnered with Sequoia at formation ¹.

Her stated primary investment theme is artificial intelligence. In her own words: “AI is the most important theme of the next decade — driven by the scale of data, new technological breakthroughs in generative models and advancements in compute.” ⁸ She is particularly focused on autonomous AI agents, robotics and embodied AI, open-source superintelligence, and AI for chip design ¹.

She has also described a framework for evaluating timing: asking “Why now?” and identifying the technological enablers or cultural shifts that make a particular company possible at this moment ².

Inferred Thesis

Based on 14 verified investments, the inferred thesis diverges meaningfully from the stated thesis in several respects.

Sector breakdown (14 verified investments): - AI / ML infrastructure and models: 5 investments (36%) — Skild AI, Reflection AI, Ricursive Intelligence, Replicate, Tavus - Consumer internet and social: 3 investments (21%) — Rec Room, Brud/Dapper Labs, Sunday - Developer tools and SaaS: 2 investments (14%) — Linear, Middesk - Defense technology: 1 investment (7%) — Mach Industries - Fintech and insurtech: 2 investments (14%) — Ethos Life, Evy - Web3 / crypto: 1 investment (7%) — Multis

Stage distribution: Overwhelmingly pre-seed and seed. Of the 14 verified investments, 12 were first checks at seed or pre-seed stage. Zhan has followed on into Series A for Linear, Middesk, and Reflection AI. The Sequoia profile page lists all current portfolio companies as “Pre-Seed/Seed” stage entries ¹.

Geographic focus: San Francisco Bay Area for most investments. Notable exceptions: Sunday (Boulder, CO), Evy (Paris, France), Multis (Paris, France). The European investments are outliers.

Founder profile patterns: Strong pattern of technical founders — Karri Saarinen (former Airbnb designer-engineer), Anna Goldie and Azalia Mirhoseini (former Google DeepMind researchers), Misha Laskin and Ioannis Antonoglou (former DeepMind researchers). Several investments came via cold outreach initiated by Zhan herself after noticing product-market fit signals (Linear discovered via Twitter developer buzz; Multis initiated via cold email to the founder) ⁹ ¹⁰.

Consumer breadth: The stated thesis emphasizes AI, but the actual portfolio spans a broader consumer arc — social gaming (Rec Room, 2016), lawn care (Sunday, 2020), virtual influencers (Brud, 2017), and insurtech (Ethos Life, 2017) — none of which align with the current AI-focused thesis. This reflects real thesis evolution over the 10-year tenure at Sequoia rather than a static identity.

Defense: Mach Industries represents an emerging sector for Zhan. She co-led the seed with Shaun Maguire (Sequoia) in 2023, suggesting defense tech is a deliberate new area, not an accident.

Notable gap: The profile page makes no mention of healthcare or biotech investments, and no healthcare or biotech investments were identified in public records. The sector attribution “healthcare” that sometimes appears in secondary sources appears inaccurate based on actual portfolio data.

Sample size note: This analysis is based on 14 verified investments. Zhan has been at Sequoia since 2015 and the actual portfolio is larger. Crunchbase was inaccessible at time of research; additional investments at earlier stages of her career may exist.

Portfolio

Company	Year	Stage	Sector	Status	Source
Rec Room	2016	Seed	Consumer / Gaming	Active	¹¹
Ethos Life	2017	Seed	Insurtech / Fintech	Public (Nasdaq: LIFE)	¹²
Brud / Dapper Labs	2017	Seed	Consumer / Web3	Acquired (2021)	¹³
Linear	2019	Seed	Developer Tools	Active	¹⁴
Middesk	2019	Seed	Fintech / SaaS	Active	¹⁵
Sunday	2020	Series B (led)	Consumer / DTC	Active	¹⁶
Tavus	2021	Seed	AI / Video	Active	¹⁷
Evy	2021	Seed	Insurtech	Active	¹⁸
Multis	2021	Seed	Web3 / Fintech	Acquired by Safe (2024)	¹⁹
Replicate	2022	Seed	AI / ML Infrastructure	Active	⁸
Mach Industries	2023	Seed	Defense Technology	Active	²⁰
Skild AI	2023	Seed	AI / Robotics	Active	²¹
Reflection AI	2024	Seed	AI / Autonomous Coding	Active	²²
Ricursive Intelligence	2025	Seed	AI / Chip Design	Active	²³

In Their Own Words

On what she looks for in founders (from the Sequoia profile page, 2025):

“I love partnering with founders who are thoughtful, with high slope, agency, a bias for action, and who have deep mental and emotional fortitude.” ¹

On her personal philosophy (Sequoia profile page, 2025):

“Agency. The world is yours to will into a reality you dream of.” ¹

On AI as the defining theme (Replicate partnership announcement, Sequoia, 2023):

“AI is the most important theme of the next decade — driven by the scale of data, new technological breakthroughs in generative models and advancements in compute.” ⁸

On why AI hasn’t yet transformed daily life (TED AI San Francisco 2024):

“For all the groundbreaking milestones we’ve reached, all the intelligence benchmarks we’ve shattered, for the $53B invested in generative AI companies 2023-2024 combined, why hasn’t AI transformed our day to day lives in more meaningful ways?” ⁶

On her vision for AI agents (TED AI San Francisco 2024):

“I dream about a world where AI is capable of taking on human workloads, even superhuman workloads, that produce economically valuable work. I’d like to see AI not just as an intelligent companion, but instead, autonomous agents that do our work better and faster, and advance the frontier of any field.” ⁶

On announcing the Middesk Series A (Twitter/X, March 2021):

“After investing in the Seed, we @sequoia are leading the Series A @MiddeskHQ! Small biz are the heart of the US economy. @KyleTMack @kurtruppel empower them to succeed by building critical infrastructure for business trust & identity.” ²⁴

On Ethan Thornton, Mach Industries founder (Mach Industries seed announcement, June 2023):

“Ethan is a force of nature: from his technical depth and genuine obsession with the problem to his bias for action and maturity beyond his years.” ²⁰

On Ricursive Intelligence (press release, December 2025):

“Ricursive Intelligence is positioned to be the leading frontier lab applying AI to transform the chip design process.” ²³

On investing in Tavus (Sequoia partnership post, 2021):

“In a video-first world, how do you create customized outreach that scales? Hassaan and Quinn are using AI to crack the code.” ¹⁷

On Linear (Sequoia spotlight article):

“That even happened within Sequoia itself, when our engineering, product and design team rallied together with a full memo on why they would not use anything except Linear. That’s the resonance we strive for.” ²⁵

On Sequoia’s AI portfolio history (Twitter/X, October 2023):

“Long history @Sequoia investing in the most transformative AI companies: from @nvidia’s Seed and @google’s Series A, to @OpenAI in 2021, among others.” ²⁶

What Founders Say

Karri Saarinen, Co-founder and CEO of Linear, in the Series A announcement (linear.app, 2020):

“We admire and resonate with Sequoia’s and Stephanie’s long-term approach to company building and respect their exceptional track record of backing category-defining companies.” ²⁷

Karri Saarinen, in the seed round announcement (linear.app, 2019):

“We are excited to partner with Sequoia Capital (Stephanie Zhan) as our lead investor on our seed round. This funding brings with it the opportunity to learn from Sequoia’s long history and tribal knowledge supporting category-defining and enduring companies.” ¹⁴

Nick Fajt, Co-founder and CEO of Rec Room, on the Sequoia pitch process (TechCrunch Extra Crunch Live, October 2021):

“The deck was 10% to 20% of the interaction — it served as a skeleton for us to have a really good conversation about where we thought the future was going.” ²⁸

No independently sourced founder testimonials about Zhan’s post-investment support were found beyond the official Sequoia partnership announcements. Dedicated searches were conducted for independent founder reviews on Twitter/X, Product Hunt, and general web — no results surfaced.