John: Email & Phone Number

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Founder and CEO at Stealth Startup|United States

Position:

Founder and CEO at Stealth Startup

Location:

United States

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Last updated: 2026-08-18

Updated: 2026-08-18

Found email addresses for John:

Business emails:

j**n@johntwang.com,

j******g@twitter.com,

j***g@apple.com

Personal emails:

j******2@gmail.com,

j*******g@gmail.com

Found phones for John:

+1-323-***-**36,

+1-623-***-**74

A different John?

Work Experience 27 years

Founder and CEO at Stealth Startup

Nov 2024 - Current

General Partner at Foothill Ventures

Feb 2021 - Current

Investor at Bay Area Fencing Club

Jan 2022 - Current

Seed Investor at OpenResty Inc.

Apr 2022 - Current

Advisor at Self-employed

Nov 2015 - Current

Angel Investor at Self-employed

Nov 2015 - Current

Engineering Leadership at AppDynamics

Feb 2021 - Nov 2024

Co-founder and CTO at Dashbase

Apr 2016 - Jan 2021

Seed Investor and Advisor at TiDB, powered by PingCAP

Dec 2015 - Dec 2020

Staff Software Engineer & Tech Lead at Twitter

Jun 2012 - Oct 2015

Search Architect at LinkedIn

Aug 2007 - Jun 2012

Guest Lecturer at University of Utah - Employment

Jan 2010 - Jan 2010

Contributing Author at Manning Publications Co.

Jan 2009 - Jan 2009

Software Architect - Search at plum.com (Now part of Nokia)

Mar 2006 - Aug 2007

Search Consultant at SimplyHired

Jun 2005 - Mar 2006

Technical Yahoo! Sr. at Yahoo

Feb 2005 - Mar 2006

Software Architect at Entopia

Jun 2004 - Feb 2005

Software Architect at HP Autonomy

May 2000 - Jun 2004

Senior Platform Engineer at Sony Online Entertainment

Jan 2000 - May 2000

Senior Associate Software Engineer at Lockheed Martin

Mar 1999 - Jan 2000

John started working in 1999, then the employee has changed 18 companies and 18 jobs. On average, John works for one company for 3 years 5 months.

John is proficient in English, Mandarin (普通话), and Shanghainese (上海话). Their professional focus is Ant, C, and C++ across 3 core areas.

John has registered patents, including "ELECTRONIC MESSAGING SYSTEM UTILIZING SOCIAL CLASSIFICATION RULES, Access control systems and methods using visibility tokens with automatic propagation, and Apparatus and Method for Parametric Group Processing".

Education

BS at State University of New York at Binghamton

Graduate classes in Database and Information Retrieval at Stanford University

MS (did not complete) at University of Utah

Frequently Asked Questions

What is John's email address?

SignalHire found verified email addresses for John, both business and personal. Their business email is j**n@johntwang.com, and personal emails include j******2@gmail.com, and j*******g@gmail.com.

What is John's phone number?

SignalHire found multiple verified phone numbers for John: +1-323-***-**36, and +1-623-***-**74.

How do I contact John at Stealth Startup?

You can reach John through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is John's professional background?

John has 27 years of professional experience. They have held roles including General Partner, Investor, and Seed Investor at companies such as Foothill Ventures, Bay Area Fencing Club, and OpenResty Inc.. Their education includes BS from State University of New York at Binghamton, and Graduate classes in Database and Information Retrieval from Stanford University.

Is John's contact information up to date?

Yes. John's SignalHire profile was last updated on 18 August 2026, reflecting their current position as Founder and CEO at Stealth Startup in San Francisco, California, United States.

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