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Ex-X (Twitter) founders who just went stealth

10 founders who worked at X (Twitter) started a company in stealth in the last 1783 weeks.

Showing 10 of 10 founders
Left
X (Twitter)
Twitter DevelopHer
Before that
Went stealthSep 2026
Work
  • Twitter DevelopHer at X (Twitter)2021-2021 · left Oct 2021
  • Member of Technical Staff at Salesforce2023-2025
  • Co-Founder at Flik2025-2025
  • Assistant Member of Technical Staff at Salesforce2023-2024
  • moved to cold desert at THAPASU2021-2023
  • Software Developer Internship at Salesforce2022-2022
  • Google Generation Scholar at Google2021-2021
Education
  • National Institute of Technology Hamirpur
  • Columbia UniversityMBA

Diego Andaluz

Co-Founder
Left
X (Twitter)
Twitter Voices Partner, Global Culture & Community
Before that
Went stealthAug 2026
Work
  • Twitter Voices Partner, Global Culture & Community at X (Twitter)2021-2023 · left Jan 2023
  • Gen Z Marketing/Publicity Ambassador - Marty Supreme, The Drama, Charli XCX’s The Moment, etc. at A24 (NYC)2025-2026
  • Sales & Development at Cinetic Media2026-2026
  • Juror/Speaker at Miami Film Festival2026-2026
  • Marketing/Publicity Event Assistant (I Love Boosters) at NEON2026-2026
  • Social Media Marketing/Publicity Liason (The Testament of Ann Lee) at The Walt Disney Company2025-2025
  • Social Media Marketing/Publicity Liason (The Testament of Ann Lee) at Searchlight Pictures2025-2025
Education
  • NYU
  • NYU
  • NYU
Left
X (Twitter)
Software Engineer Intern
Before that
Went stealthAug 2026
Work
  • Software Engineer Intern at X (Twitter)2021-2021 · left Aug 2021
  • Software Engineer at Meta2024-2025
  • Software Engineer Intern at Google2023-2023
  • Software Engineer Intern at Meta2022-2022
  • Software Engineer Intern at Microsoft2020-2020
  • Software Development Intern at University Health Network2019-2020
  • Teaching Assistant at University of Toronto2019-2020
Education
  • University of TorontoBS
Left
X (Twitter)
ML Engineering Manager
Before that
Went stealthAug 2026
Work
  • ML Engineering Manager at X (Twitter)2013-2022 · left Oct 2022
  • Research Engineering Manager, ML at Meta2022-2026
  • Research Intern at Microsoft2011-2011
Education
  • IIT DelhiBTech

Johnny Li

Founder
Left
X (Twitter)
Content Creator
Before that
Went stealthLaunched Jolid
Work
  • Content Creator at X (Twitter)2022-2022 · left Oct 2022
  • Chinese Erotica at Pinterest2024-2025
  • Punny Guy at LinkedIn2023-2025
  • Meme Datapanda at Reddit, Inc.2025-2025
  • Founder at Scozza2024-2025
  • Founder at Xylarum2024-2025
  • VICEROY Cybersecurity Research at Old Dominion University2023-2023
Education
  • Old Dominion UniversityBS

Teena Kunsoth

Co-Founder
Left
X (Twitter)
Software Engineer
Before that
Went stealthAug 2026
Work
  • Software Engineer at X (Twitter)2021-2022 · left Oct 2022
  • Software Engineer at Mixpanel2024-2025
  • Member of Technical Staff at Pure Storage2023-2024
  • Back End Developer at VueBox2020-2021
  • Teaching Assistant for DSA at New York University2020-2020
Education
  • NYUMS
  • IIT MadrasBTech

Brett Ryckman

Founder/CEO
Left
X (Twitter)
Senior Director, Product Design
Before that
Went stealthAug 2026
Work
  • Senior Director, Product Design at X (Twitter)2022-2022 · left Oct 2022
  • Chief Product Officer at Way2B12022-2024
  • Senior Director, Digital Experience at ServiceNow2020-2021
  • VP Product Design, Goodreads at Amazon2018-2020
  • Product & Design at Netflix2015-2018
  • Founder/CEO at HelpIQ (Acquired)2012-2015
  • VP, Product at Marketbright2009-2011
Education
  • Central Michigan UniversityBachelor's

Gavin Kliger

Co-Founder & CEO
Left
X (Twitter)
Software Engineer
Before that
Went stealthJul 2026
Work
  • Software Engineer at X (Twitter)2019-2019 · left Jan 2019
  • Chief Data Officer at United States Department of War2025-2026
  • Senior Advisor to the Director for Technology and Delivery at U.S. Office of Personnel Management (OPM)2025-2025
  • Senior Software Engineer at Databricks2020-2025
  • Featured Speaker (KubeCon Europe) at Cloud Native Computing Foundation (CNCF)2023-2023
  • Accel Scholar at Accel2019-2020
  • Researcher at Berkeley NetSys Lab2018-2019
Education
  • UC BerkeleyBS

Tom Ciszek

Founder & CEO
Left
X (Twitter)
Sr. Mgr., Technical Program Management
Before that
Went stealthJul 2026
Work
  • Sr. Mgr., Technical Program Management at X (Twitter)2014-2019 · left Jan 2019
  • American Tech Fellowship (Inaugural Cohort) at Palantir Technologies2025-2025
  • Sr. Product Manager - Technical, Global Robotics Delivery at Amazon2022-2025
  • Principal Product Manager at Brain Corp2021-2022
  • Sr. Manager, Data Analytics at Bird2019-2021
  • Co-Founder at Cojoin Inc.2013-2014
  • Principal Business Analyst at GOOD Worldwide Inc2012-2013
Education
  • University of North Carolina at Chapel HillMS
  • University of North Carolina at Chapel HillBS
Left
X (Twitter)
Senior Data Engineer
Before that
Went stealthJun 2026
Work
  • Senior Data Engineer at X (Twitter)2022-2023 · left Jan 2023
  • Senior Software Engineer - Data Platform at Tatari2025-2026
  • Principal Data Analytics Engineer at Vir Biotechnology, Inc.2023-2024
  • Senior Data Scientist at Meta2021-2022
  • Associate Director, Data Science at Merck2020-2021
  • Data Generalist at Audley Travel2018-2020
  • Software Engineer II at Pfizer2014-2018
Education
  • Tufts UniversityMaster's
  • University of Massachusetts at LowellBS

Built on Crustdata. Build your own.

Crustdata tracks hundreds of millions of professional profiles. This directory is one saved search: "current title includes founder, current company is Stealth", re-run every week. Point the same search at your own market.

Get an API key
# the one request behind this page
curl https://api.crustdata.com/watch/person/search \
  -H "authorization: Bearer $CRUSTDATA_KEY" \
  -H "x-api-version: 2025-11-01" \
  -d '{
    "filters": { "op": "and", "conditions": [
      { "field": "experience.employment_details.current.company_name",
        "type": "[.]", "value": "stealth" },
      { "field": "experience.employment_details.current.title",
        "type": "(.)", "value": "founder" }
    ]},
    "fields": ["basic_profile", "experience", "education"],
    "config": { "trigger": { "type": "interval", "every_hours": 168 } }
  }'
# [.] = exact phrase, (.) = all words. Each week it returns only the new matches.

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About this list

What "stealth" means here: the person's current job is a founder title (Founder, Co-Founder, Founder & CEO…) at a company listed as "Stealth", "Stealth Startup" or similar, because they haven't announced it yet.

Where it comes from: public professional profiles, via the Crustdata API. A new search runs every week and adds whoever newly matches. Profiles can take a few weeks to show up, and start dates are by month.

The company on each row is the most recent job before going stealth, with the title they held there. Where we can, we skip internships, advisor seats and freelance stints. On a "former employer" page it shows the job at that employer instead. Click a row for their full work history and education.