John Grenfell: Email & Phone Number

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Registered Nurse at University of Michigan|Detroit Metropolitan Area, United States

Position:

Registered Nurse at University of Michigan

Location:

Detroit Metropolitan Area, United States

View John Grenfell's Email

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Last updated: 2026-07-03

Updated: 2026-07-03

Found email addresses for John Grenfell:

Business emails:

g***********n@umich.edu

Personal emails:

g***@gmail.com,

g***@umich.edu,

j***@deckdoctors.net,

g***@yahoo.com

Found phones for John Grenfell:

+1-623-***-**43,

+1-520-***-**10

A different John Grenfell?

Work Experience 7 years

Registered Nurse at University of Michigan

Cargiver at ASSOCIATION OF INTERNATIONAL CARGIVERS INC

Feb 2021 - Sep 2021

Patient Care Technician at University of Michigan

Feb 2020 - Jun 2020

Crew Lead at DECK DOCTOR

Mar 2016 - Oct 2016

Life Insurance Agent at New York Life

Jan 2014 - Jan 2016

John Grenfell started working in 2014, then the employee has changed 3 companies and 4 jobs. On average, John Grenfell works for one company for 11 months.

Their professional focus is Construction, Direct Sales, and Insurance across 3 core areas.

John holds Advanced Cardiovascular Life Support Experienced Provider (ACLS) and Basic Life Support (BLS) certifications.

Education

Associate of Science - AS at Schoolcraft College

Bachelor of Science - BS at Madonna University

Frequently Asked Questions

What is John Grenfell's email address?

SignalHire found verified email addresses for John Grenfell, both business and personal. Their business email is g***********n@umich.edu, and personal emails include g***@gmail.com, g***@umich.edu, and j***@deckdoctors.net.

What is John Grenfell's phone number?

SignalHire found multiple verified phone numbers for John Grenfell: +1-623-***-**43, and +1-520-***-**10.

How do I contact John Grenfell at University of Michigan?

You can reach John Grenfell 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 Grenfell's professional background?

John Grenfell has 7 years of professional experience. They have held roles including Cargiver, Patient Care Technician, and Crew Lead at companies such as ASSOCIATION OF INTERNATIONAL CARGIVERS INC, University of Michigan, and DECK DOCTOR. Their education includes Associate of Science - AS from Schoolcraft College, and Bachelor of Science - BS from Madonna University.

Is John Grenfell's contact information up to date?

Yes. John Grenfell's SignalHire profile was last updated on 3 July 2026, reflecting their current position as Registered Nurse at University of Michigan in Ann Arbor, Michigan, United States.

John Grenfell Namesakes

Name

Company

Position

John Grenfell

United States Army Human Resources Command

Budget Officer

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