Derek Johnson: Email & Phone Number

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QC Manager at Leiters Health|Denver, Colorado, United States

Position:

QC Manager at Leiters Health

Location:

Denver, Colorado, United States

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Last updated: 2026-06-10

Updated: 2026-06-10

Found email addresses for Derek Johnson:

Business emails:

d***********n@tolmar.com,

d*******n@agcbio.com

Personal emails:

d**************2@gmail.com

Found phones for Derek Johnson:

+1-480-***-**12,

+1-480-***-**52,

+1-323-***-**43

A different Derek Johnson?

Work Experience 34 years

QC Manager at Leiters Health

Jul 2025 - Current

QC Scientist at AGC Biologics

Feb 2024 - Jan 2026

QC Supervisor at Tolmar

Apr 2020 - Jan 2026

Quality Control Lead at GSK

Sep 2014 - May 2019

Senior Quality Control Analyst at GSK

Mar 1992 - Sep 2014

Quality Control Laboratory Supervisor at GSK

May 2007 - Aug 2010

Derek Johnson started working in 1992, then the employee has changed 3 companies and 5 jobs. On average, Derek Johnson works for one company for 6 years 6 months.

Their professional focus is Accountability, Analytical Chemistry, and Analytical Skills across 3 core areas.

Education

Bachelor of Arts - BA at University of Montana

Minor at University of Montana

Frequently Asked Questions

What is Derek Johnson's email address?

SignalHire found verified email addresses for Derek Johnson, both business and personal. Their business email is d***********n@tolmar.com, and personal emails include d**************2@gmail.com.

What is Derek Johnson's phone number?

SignalHire found multiple verified phone numbers for Derek Johnson: +1-480-***-**12, +1-480-***-**52, and +1-323-***-**43.

How do I contact Derek Johnson at Leiters Health?

You can reach Derek Johnson 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 Derek Johnson's professional background?

Derek Johnson has 34 years of professional experience. They have held roles including QC Scientist, QC Supervisor, and Quality Control Lead at companies such as AGC Biologics, Tolmar, and GSK. Their education includes Bachelor of Arts - BA from University of Montana, and Minor from University of Montana.

Is Derek Johnson's contact information up to date?

Yes. Derek Johnson's SignalHire profile was last updated on 10 June 2026, reflecting their current position as QC Manager at Leiters Health in Englewood, Colorado, United States.

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