John Wittkowski: Email & Phone Number

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Security Coordinator at Kent ISD|Grand Rapids, Michigan, United States

Position:

Security Coordinator at Kent ISD

Location:

Grand Rapids, Michigan, United States

View John Wittkowski's Email

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Last updated: 2026-06-19

Updated: 2026-06-19

Found email addresses for John Wittkowski:

Business emails:

j******w@grcity.us,

j*********i@grcity.us,

j*************i@grcity.us

Personal emails:

j*************i@gvsu.edu,

j*****t@yahoo.com

Found phones for John Wittkowski:

+1-870-***-**14,

+1-623-***-**67,

+1-205-***-**12,

+1-205-***-**74

A different John Wittkowski?

Work Experience 20 years

Security Coordinator at Kent ISD

Sep 2023 - Current

Public Information Officer - Grand Rapids Police Department at City of Grand Rapids

Sep 2019 - Sep 2023

Adjunct Professor at Grand Valley State University

Jan 2018 - Sep 2023

Adjunct Professor at Ferris State University

Sep 2014 - Sep 2023

Security Consultant at CommTac Solutions

Sep 2006 - Sep 2023

John Wittkowski started working in 2006, then the employee has changed 4 companies and 3 jobs. On average, John Wittkowski works for one company for 7 years 8 months.

Their professional focus is Project Management, Security Operations, and Situational Leadership across 3 core areas.

Education

Master's degree at Michigan State University

Kent ISD

Master of Business Administration - MBA at Aquinas College - Grand Rapids

Master of Management at Aquinas College - Grand Rapids

Bachelor of Business Administration - BBA at Western Michigan University

Frequently Asked Questions

What is John Wittkowski's email address?

SignalHire found verified email addresses for John Wittkowski, both business and personal. Their business email is j******w@grcity.us, and personal emails include j*************i@gvsu.edu, and j*****t@yahoo.com.

What is John Wittkowski's phone number?

SignalHire found multiple verified phone numbers for John Wittkowski: +1-870-***-**14, +1-623-***-**67, and +1-205-***-**12.

How do I contact John Wittkowski at Kent ISD?

You can reach John Wittkowski 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 Wittkowski's professional background?

John Wittkowski has 20 years of professional experience. They have held roles including Public Information Officer - Grand Rapids Police Department, Adjunct Professor, and Adjunct Professor at companies such as City of Grand Rapids, Grand Valley State University, and Ferris State University. Their education includes Master's degree from Michigan State University, and Kent ISD.

Is John Wittkowski's contact information up to date?

Yes. John Wittkowski's SignalHire profile was last updated on 19 June 2026, reflecting their current position as Security Coordinator at Kent ISD in Grand Rapids, MI, United States.

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