Malachy Mao: Email & Phone Number

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Director of Engineering at OpenAI|United States

Position:

Director of Engineering at OpenAI

Location:

United States

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Last updated: 2026-08-03

Updated: 2026-08-03

Found email addresses for Malachy Mao:

Business emails:

m**o@openai.com

Personal emails:

m***@hitachi-solutions.com,

m***@agilent.com,

m***@hotmail.com,

m***@aol.com

Found phones for Malachy Mao:

+1-870-***-**98,

+1-909-***-**42,

+1-205-***-**32,

+1-909-***-**44

A different Malachy Mao?

Work Experience 23 years

Director of Engineering at OpenAI

Jan 2017 - Current

Technical Project Manager at Agilent Technologies

Jan 2013 - Jan 2017

Software Engineer (Machine Learning focus) at Agilent Technologies

Jan 2007 - Jan 2013

Software Engineer at Hitachi Solutions America

Jan 2003 - Jan 2007

Malachy Mao started working in 2003, then the employee has changed 2 companies and 3 jobs. On average, Malachy Mao works for one company for 5 years 11 months.

Malachy is proficient in English. Their professional focus is Artificial Intelligence (AI), Cross-functional Team Leadership, and Data Analysis & Predictive Modeling across 3 core areas.

Education

Master's degree at University of the Pacific

Frequently Asked Questions

What is Malachy Mao's email address?

SignalHire found verified email addresses for Malachy Mao, both business and personal. Their business email is m**o@openai.com, and personal emails include m***@hitachi-solutions.com, m***@agilent.com, and m***@hotmail.com.

What is Malachy Mao's phone number?

SignalHire found multiple verified phone numbers for Malachy Mao: +1-870-***-**98, +1-909-***-**42, and +1-205-***-**32.

How do I contact Malachy Mao at OpenAI?

You can reach Malachy Mao 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 Malachy Mao's professional background?

Malachy Mao has 23 years of professional experience. They have held roles including Technical Project Manager, Software Engineer (Machine Learning focus), and Software Engineer at companies such as Agilent Technologies, Agilent Technologies, and Hitachi Solutions America. Their education includes Master's degree from University of the Pacific.

Is Malachy Mao's contact information up to date?

Yes. Malachy Mao's SignalHire profile was last updated on 3 August 2026, reflecting their current position as Director of Engineering at OpenAI in San Francisco, CA, United States.

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