William Johnston

William Johnston: Email & Phone Number

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Member of Technical Staff at OpenAI|Cupertino, California, United States

Position:

Member of Technical Staff at OpenAI

Location:

Cupertino, California, United States

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Last updated: 2026-01-21
Updated: 2026-01-21

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Work Experience 18 years

Member of Technical Staff at OpenAI

Mar 2020 - Current

Senior Software Engineering Manager at Meta

Feb 2017 - Mar 2020

Senior Software Engineer at Figma

Mar 2015 - Feb 2017

Software Engineer at Apple

Nov 2012 - Mar 2015

Software Engineer at Intel

Feb 2010 - Nov 2012

Software Engineer at IBM

Sep 2008 - Feb 2010

William Johnston started working in 2008, then the employee has changed 5 companies and 3 jobs. On average, William Johnston works for one company for 2 years 11 months.

Education

Master's degree at University of California, Berkeley

Bachelor's degree at Stanford University

Frequently Asked Questions

What is William Johnston's email address?

SignalHire found a verified business email address for William Johnston: w**************n@openai.com.

What is William Johnston's phone number?

SignalHire found a verified phone number for William Johnston: +1-***-***-7680.

How do I contact William Johnston at OpenAI?

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What is William Johnston's professional background?

William Johnston has 18 years of professional experience. They have held roles including Senior Software Engineering Manager, Senior Software Engineer, and Software Engineer at companies such as Meta, Figma, and Apple. Their education includes Master's degree from University of California, Berkeley, and Bachelor's degree from Stanford University.

Is William Johnston's contact information up to date?

Yes. William Johnston's SignalHire profile was last updated on 21 January 2026, reflecting their current position as Member of Technical Staff at OpenAI in San Francisco, CA, United States.

William Johnston Namesakes

Name
Company
Position
Will Johnston
Ecommerce Associate
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William Johnston
North Star Tree Service
Director of Marketing
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William Johnston
Warehouse Manager
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