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Grant Lee, co-founder and CEO of GammaGammaSan Francisco, US
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Gamma CEO Grant Lee: Email Address, LinkedIn and Bio (2026)

Curated by Khrystyna Oleksiienko · Published

Grant Lee is the co-founder and CEO of Gamma, the AI presentation company he started in 2020 after finance roles at Optimizely, where he was interim CFO, and ClearBrain. He has published no email address and asks people to DM him on X.

Company overview

Company
Gamma Tech, Inc.
Industry
Software: AI presentations, documents and websites
Founded
2020
Headquarters
San Francisco, US
Revenue
$100M ARR, profitable (Nov 2025); “well beyond” $100M by Sep 2026, per the CEO
Funding stage
Series B: $68M led by Andreessen Horowitz at a $2.1B valuation (Nov 2025); about $90M raised in total

Grant Lee at a glance

Fact

Detail

Role

Co-founder and CEO of Gamma since November 2020

From

Born in New York City, raised in the San Francisco Bay Area (Gamma)

Education

Stanford University, mechanical engineering

Before Gamma

Consulting and investment banking; Optimizely (2013–2018), rising to interim CFO; COO of ClearBrain

Age

42 in August 2025

Email

None published; he asks people to DM him on X

LinkedIn

linkedin.com/in/grantslee

X

@thisisgrantlee

Gamma CEO email address: how to reach Grant Lee

Lee hasn’t published an email address. When he invites contact, he asks people to message him on X, where he has about 43,000 followers: “DM me for recommendations,” he wrote in September 2025 (X). He is also on LinkedIn, with about 115,000 followers, and he has no personal website or newsletter. Until 2025 Gamma’s help center sent enterprise inquiries to Lee directly; that page has been removed, and enterprise questions now go through Gamma’s contact form. {PATTERN_SENTENCE}

Channel

Address

Note

X

@thisisgrantlee

Where he posts most, and asks for DMs

LinkedIn

linkedin.com/in/grantslee

About 115,000 followers

Gamma press

press@gamma.app

For media requests, not a personal address

Gamma email address pattern

Gamma staff mostly use {first}@gamma.app, such as maya@gamma.app for a fictional Maya Chen; several newer staff use {first}.{last}@gamma.app. Links to gamma.app/docs pages and gamma.site sites are things Gamma’s users made, not mail from Gamma.

Format

Example (fictional name: Maya Chen)

Who uses it

Status

{first}@gamma.app

maya@gamma.app

Early staff and many engineers, 2021 to 2026

Most common

{first}.{last}@gamma.app

maya.chen@gamma.app

Several staff who joined in 2025–2026

Common for newer staff

{anything}.gamma.site

yoursite.gamma.site

Free websites made by Gamma users

Not an email domain

Before emailing any pattern-based address, run it through a verifier: a bounce hurts deliverability for every later send. All Gamma patterns and official inboxes are on the Gamma email format page.

Need verified CEO emails at scale? The LeadWave SaaS companies list has hand-checked CEO contact details for 15,000+ SaaS companies in one CSV.

Career timeline

Date

Milestone

Oct 6, 2026

Launches Gamma 5

Feb 24, 2026

Starts a $10 million fund for idea-stage founders with Afore Capital

Nov 10, 2025

Gamma passes $100 million ARR and raises at $2.1 billion (X)

Aug 2025

Gamma named to Forbes’ Next Billion-Dollar Startups (Forbes)

May 15, 2024

$12 million Series A led by Accel

Mar 28, 2023

Relaunches Gamma as an AI design partner (X)

Oct 28, 2021

$7 million seed led by Accel (TechCrunch)

Nov 2020

Co-founds Gamma with Jon Noronha and James Fox

2020

Advisory work, living in London

About 2018–2020

COO of ClearBrain, which Amplitude bought in March 2020

2013–2018

Optimizely: strategic finance, then interim CFO (Jason Shen)

Before 2013

Consulting and investment banking

How Grant Lee built Gamma

Lee studied mechanical engineering at Stanford and spent nearly a decade in finance, first in consulting and investment banking, where “I’ve lived in slide decks for most of my career” (J.P. Morgan). He joined Optimizely in 2013 among its first hundred employees and rose to interim CFO, then became COO of ClearBrain, a Y Combinator analytics startup Amplitude bought in 2020.

Living in London in 2020, he called two former Optimizely colleagues, product lead Jon Noronha and engineer James Fox, with the idea of rebuilding the slide deck. One early investor told him it was the worst idea he had heard. By late 2022 Gamma had about 60,000 users and a year of runway, and the team bet on AI; Lee’s launch post opened with “The most valuable skill in business is about to become obsolete,” which drew a public rebuke from Paul Graham (X). Lee later called the post “intentionally provocative” (HubSpot).

Gamma passed $100 million in ARR with about 50 people and no sales team, a model Lee has talked about on Lenny’s Podcast (Lenny’s Newsletter) and at SaaStr, where he also called the lack of a sales team partly a mistake (SaaStr).

Grant Lee’s net worth and age

Neither Forbes nor Bloomberg publishes a net-worth estimate for Lee, and we don’t estimate one; Gamma is private and his stake isn’t public. Forbes gave his age as 42 in August 2025, which puts him in his early forties.

In his own words

“The most valuable skill in business is about to become obsolete. Designing a killer slide deck used to take days. Now AI can do it in seconds for anyone.”

— Grant Lee, March 28, 2023

“PowerPoint was invented before the first website, before the Game Boy, before the Berlin Wall fell.”

— Grant Lee, November 10, 2025

“Either you build something that’s 100x better than alternatives, or you build something else.”

— Grant Lee, September 13, 2025

“When every company’s work starts to look the same, people begin to question the thought and expertise behind it.”

— Grant Lee, at the launch of Gamma 5, October 2026 (TechIntelPro)

“We’re a profitable business, so we don’t need to raise again.”

— Grant Lee, August 2026 (The Next Web)

Gamma’s leadership

Gamma publishes no executive team beyond its three founders.

Person

Role

Grant Lee

Co-founder and CEO

Jon Noronha

Co-founder and chief product officer

James Fox

Co-founder; leads engineering

Gamma’s revenue, funding and products are on the Gamma company profile.

Frequently asked questions

Grant Lee, who co-founded Gamma in November 2020 with Jon Noronha and James Fox and has led it since.

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