David Tester: Email & Phone Number

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Supervisor, Commercial Services - Maui County at Hawaiian Electric|Makawao, Hawaii, United States

Position:

Supervisor, Commercial Services - Maui County at Hawaiian Electric

Location:

Makawao, Hawaii, United States

View David Tester's Email

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Last updated: 2026-07-19

Updated: 2026-07-19

Found email addresses for David Tester:

Business emails:

d**********r@mauielectric.com

Personal emails:

m*******e@yahoo.com

Found phones for David Tester:

+1-480-***-**33,

+1-909-***-**10,

+1-480-***-**47,

+1-623-***-**07

A different David Tester?

Work Experience 21 years

Supervisor, Commercial Services - Maui County at Hawaiian Electric

Aug 2024 - Current

Commercial Account Manager at Hawaiian Electric

Jul 2017 - Mar 2025

Commercial Account Manager at Maui Electric

Jul 2017 - Mar 2025

Energy Contract Manager at Maui Electric Company, Ltd.

Nov 2012 - Jul 2017

Commercial Account Manager at Maui Electric

Aug 2005 - Nov 2012

David Tester started working in 2005, then the employee has changed 2 companies and 2 jobs. On average, David Tester works for one company for 5 years 10 months.

Their professional focus is Alternative Energy, Certified Energy Manager, and Contract Negotiation across 3 core areas.

Education

Bachelor of Science (B.S.) at Northern Arizona University, College of Business Administration

Frequently Asked Questions

What is David Tester's email address?

SignalHire found verified email addresses for David Tester, both business and personal. Their business email is d**********r@mauielectric.com, and personal emails include m*******e@yahoo.com.

What is David Tester's phone number?

SignalHire found multiple verified phone numbers for David Tester: +1-480-***-**33, +1-909-***-**10, and +1-480-***-**47.

How do I contact David Tester at Hawaiian Electric?

You can reach David Tester 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 David Tester's professional background?

David Tester has 21 years of professional experience. They have held roles including Commercial Account Manager, Commercial Account Manager, and Energy Contract Manager at companies such as Hawaiian Electric, Maui Electric, and Maui Electric Company, Ltd.. Their education includes Bachelor of Science (B.S.) from Northern Arizona University, College of Business Administration.

Is David Tester's contact information up to date?

Yes. David Tester's SignalHire profile was last updated on 19 July 2026, reflecting their current position as Supervisor, Commercial Services - Maui County at Hawaiian Electric in Honolulu, Hawaii, United States.

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