John Chum: Email & Phone Number

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Senior Operations Specialist at DoorDash|Oakland, California, United States

Position:

Senior Operations Specialist at DoorDash

Location:

Oakland, California, United States

View John Chum's Email

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Last updated: 2026-09-12

Updated: 2026-09-12

Found email addresses for John Chum:

Business emails:

g*****************n@gmail.com

Personal emails:

j***@aol.com,

c***@tesla.com,

j***@penumbrainc.com,

c***@gmail.com

Found phones for John Chum:

+1-520-***-**04,

+1-909-***-**82

A different John Chum?

Work Experience 9 years

Senior Operations Specialist at DoorDash

Aug 2026 - Current

Operational Specialist at DoorDash

Oct 2024 - Current

Production Associate at Tesla

Feb 2023 - Feb 2024

Production Builder at Penumbra, Inc.

Nov 2017 - Feb 2023

John Chum started working in 2017, then the employee has changed 2 companies and 3 jobs. On average, John Chum works for one company for 2 years 1 month.

John holds Professional Scrum Master™ I (PSM I) certifications.

Education

Project management at Diablo Valley College

Oakland High School

Year Up

Frequently Asked Questions

What is John Chum's email address?

SignalHire found verified email addresses for John Chum, both business and personal. Their business email is g*****************n@gmail.com, and personal emails include j***@aol.com, c***@tesla.com, and j***@penumbrainc.com.

What is John Chum's phone number?

SignalHire found multiple verified phone numbers for John Chum: +1-520-***-**04, and +1-909-***-**82.

How do I contact John Chum at DoorDash?

You can reach John Chum 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 Chum's professional background?

John Chum has 9 years of professional experience. They have held roles including Operational Specialist, Production Associate, and Production Builder at companies such as DoorDash, Tesla, and Penumbra, Inc.. Their education includes Project management from Diablo Valley College, and Oakland High School.

Is John Chum's contact information up to date?

Yes. John Chum's SignalHire profile was last updated on 12 September 2026, reflecting their current position as Senior Operations Specialist at DoorDash in San Francisco, California, United States.

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