Hao Hao: Email & Phone Number

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Machine Learning Engineer at DoorDash|United States

Position:

Machine Learning Engineer at DoorDash

Location:

United States

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Last updated: 2026-06-15

Updated: 2026-06-15

Found email addresses for Hao Hao:

Business emails:

g***************o@gmail.com

Personal emails:

h***@ericsson.com,

h***@gmail.com,

h***@moloco.com,

h***@yahoo.com

Found phones for Hao Hao:

+1-909-***-**26,

+1-323-***-**42

A different Hao Hao?

Work Experience 7 years

Machine Learning Engineer at DoorDash

May 2025 - Current

Machine Learning Engineer at Moloco

May 2023 - May 2025

Machine Learning Engineer at Twitter

Oct 2019 - Apr 2023

Software Engineer Intern at Google

Apr 2019 - Jul 2019

Hao Hao started working in 2019, then the employee has changed 3 companies and 1 job. On average, Hao Hao works for one company for 1 year 9 months.

Their professional focus is C++, Cloud Computing, and Google Cloud Platform (GCP) across 3 core areas.

Education

Master of Science - MS at Stanford University

Bachelor's degree at Sun Yat-sen University

Frequently Asked Questions

What is Hao Hao's email address?

SignalHire found verified email addresses for Hao Hao, both business and personal. Their business email is g***************o@gmail.com, and personal emails include h***@ericsson.com, h***@gmail.com, and h***@moloco.com.

What is Hao Hao's phone number?

SignalHire found multiple verified phone numbers for Hao Hao: +1-909-***-**26, and +1-323-***-**42.

How do I contact Hao Hao at DoorDash?

You can reach Hao Hao 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 Hao Hao's professional background?

Hao Hao has 7 years of professional experience. They have held roles including Machine Learning Engineer, Machine Learning Engineer, and Software Engineer Intern at companies such as Moloco, Twitter, and Google. Their education includes Master of Science - MS from Stanford University, and Bachelor's degree from Sun Yat-sen University.

Is Hao Hao's contact information up to date?

Yes. Hao Hao's SignalHire profile was last updated on 15 June 2026, reflecting their current position as Machine Learning Engineer at DoorDash in San Francisco, California, United States.

Hao Hao Namesakes

Name

Company

Position

hao hao

Freelance, self-employed

Freelance

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Hao Hao

Suzhou LABI Electromechanical Technology Co., Ltd.

Founder

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