John Derne: Email & Phone Number

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Territory Manager at Johnstone Supply|San Francisco Bay Area, United States

Position:

Territory Manager at Johnstone Supply

Location:

San Francisco Bay Area, United States

View John Derne's Email

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Last updated: 2026-07-07

Updated: 2026-07-07

Found email addresses for John Derne:

Business emails:

d****j@cintas.com

Personal emails:

d*******n@yahoo.com

Found phones for John Derne:

+1-909-***-**79,

+1-870-***-**42

A different John Derne?

Work Experience 14 years

Territory Manager at Johnstone Supply

Apr 2022 - Current

Sales and Service Representative at Cintas

Aug 2012 - Jul 2019

John is proficient in English. Their professional focus is Customer Service, Equipment Installation, and Field Installation across 3 core areas.

John holds OSHA Certifed / CPR / First Aid / AED Certified certifications.

Education

Associate's degree at Diablo Valley College

Frequently Asked Questions

What is John Derne's email address?

SignalHire found verified email addresses for John Derne, both business and personal. Their business email is d****j@cintas.com, and personal emails include d*******n@yahoo.com.

What is John Derne's phone number?

SignalHire found multiple verified phone numbers for John Derne: +1-909-***-**79, and +1-870-***-**42.

How do I contact John Derne at Johnstone Supply?

You can reach John Derne 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 Derne's professional background?

John Derne has 14 years of professional experience. They have held roles including Sales and Service Representative at companies such as Cintas. Their education includes Associate's degree from Diablo Valley College.

Is John Derne's contact information up to date?

Yes. John Derne's SignalHire profile was last updated on 7 July 2026, reflecting their current position as Territory Manager at Johnstone Supply in Portland, Oregon, United States.

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