John Maier: Email & Phone Number

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Data at Sundial|Canada

Position:

Data at Sundial

Location:

Canada

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Last updated: 2026-01-04

Updated: 2026-01-04

Found email addresses for John Maier:

Business emails:

**@sundial.so

Personal emails:

j***@gmail.com,

m***@metacareers.com,

m***@shopify.com,

m***@aol.com

Found phone for John Maier:

+1-819-***-**35

A different John Maier?

Work Experience 19 years

Data at Sundial

Sep 2025 - Current

Angel Investor, Advisor at Various Startups

Jan 2021 - Current

Senior Director, Data Science at Shopify

Apr 2019 - Nov 2022

Director, Data Science and Engineering at Meta

Aug 2011 - Mar 2019

Co-Founder at diPoll

Mar 2009 - Aug 2011

Engineering Intern at Meta

Jan 2010 - Aug 2010

Research Intern at National Research Council Canada / Conseil national de recherches Canada

Jan 2009 - Apr 2009

Technical Product Manager at Peek

Sep 2008 - Dec 2008

Research Assistant at University of Waterloo

Sep 2007 - Aug 2008

Chip Characterization Engineering Intern at Broadcom

Jan 2008 - Apr 2008

Systems Verification Engineering Intern at Edgewater Computer Systems

May 2007 - Aug 2007

John Maier started working in 2007, then the employee has changed 9 companies and 10 jobs. On average, John Maier works for one company for 2 years 1 month.

Their professional focus is A/B testing, Analytics, and Big Data across 3 core areas.

Education

BASc at University of Waterloo

Frequently Asked Questions

What is John Maier's email address?

SignalHire found verified email addresses for John Maier, both business and personal. Their business email is **@sundial.so, and personal emails include j***@gmail.com, m***@metacareers.com, and m***@shopify.com.

What is John Maier's phone number?

SignalHire found a verified phone number for John Maier: +1-819-***-**35.

How do I contact John Maier at Sundial?

You can reach John Maier 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 Maier's professional background?

John Maier has 19 years of professional experience. They have held roles including Angel Investor, Advisor, Senior Director, Data Science, and Director, Data Science and Engineering at companies such as Various Startups, Shopify, and Meta. Their education includes BASc from University of Waterloo.

Is John Maier's contact information up to date?

Yes. John Maier's SignalHire profile was last updated on 4 January 2026, reflecting their current position as Data at Sundial in Palo Alto, California, United States.

John Maier Namesakes

Name

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John Maier

Clark County School District

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John Maier

United States Mint

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