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John Janiszewski Email & Phone Number

In-House Counsel at DTE Energy
Location: Lansing, Michigan, United States 4 work roles 2 schools
1 work email found @dykema.com LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email j****@dykema.com
LinkedIn Profile matched
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Current company
DTE Energy
Role
In-House Counsel
Location
Lansing, Michigan, United States
Company size
8066 employees

Who is John Janiszewski? Overview

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Quick answer

John Janiszewski is listed as In-House Counsel at DTE Energy, a company with 8066 employees, based in Lansing, Michigan, United States. AeroLeads shows a work email signal at dykema.com and a matched LinkedIn profile for John Janiszewski.

John Janiszewski previously worked as Senior Attorney at Dykema and Adjunct Professor at Michigan State University. John Janiszewski holds Doctor Of Law - Jd, Law from Michigan State University College Of Law.

Company email context

Email format at DTE Energy

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{first_initial}{last}@dykema.com
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AeroLeads found 1 current-domain work email signal for John Janiszewski. Compare company email patterns before reaching out.

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Profile bio

About John Janiszewski

John Janiszewski is a In-House Counsel at DTE Energy. He possess expertise in litigation, legal writing, appeals, trial practice, motions and 6 more skills.

Listed skills include Litigation, Legal Writing, Appeals, Trial Practice, and 7 others.

Current workplace

John Janiszewski's current company

Company context helps verify the profile and gives searchers a useful next step.

DTE Energy
Dte Energy
In-House Counsel
detroit, michigan, united states
Website
dteenergy.com
Employees
8066
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Company profile
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4 roles

John Janiszewski work experience

A career timeline built from the work history available for this profile.

In-House Counsel

Current
Dte Energy
Dec 2023 - Present

Senior Attorney

Dykema

Lansing, Michigan

May 2018 - Dec 2023

Assistant Attorney General

Michigan Department Of Attorney General
Jan 2012 - May 2018
Team & coworkers

Colleagues at DTE Energy

Other employees you can reach at dteenergy.com. View company contacts for 8066 employees →

MV Mark Vanstone Mark Vanstone Colleague at Dte Energy Carleton, Michigan, United States, United States View → CP Cynthia Patterson Cynthia Patterson Colleague at Dte Energy Southfield, Michigan, United States, United States View → SA Steve Anderson Steve Anderson Colleague at Dte Energy Belleville, Michigan, United States, United States View → EH Eric Heft Eric Heft Colleague at Dte Energy Port Huron, Michigan, United States, United States View → GC Gwendolyn Clemons Gwendolyn Clemons Colleague at Dte Energy Detroit, Michigan, United States, United States View → MK Mark Kluka Mark Kluka Colleague at Dte Energy Canton, Michigan, United States, United States View → SP Sam Paykin Sam Paykin Colleague at Dte Energy Detroit, Michigan, United States, United States View → AS Andrew Sabisch Andrew Sabisch Colleague at Dte Energy Monroe, Michigan, United States, United States View → JC Jaime Coll Jaime Coll Colleague at Dte Energy Newport, Michigan, United States, United States View → AB Airris Brand Airris Brand Colleague at Dte Energy Detroit, Michigan, United States, United States View →
2 education records

John Janiszewski education

FAQ

Frequently asked questions about John Janiszewski

Quick answers generated from the profile data available on this page.

What company does John Janiszewski work for?

John Janiszewski works for DTE Energy.

What is John Janiszewski's role at DTE Energy?

John Janiszewski is listed as In-House Counsel at DTE Energy.

What is John Janiszewski's email address?

AeroLeads has found 1 work email signal at @dykema.com for John Janiszewski at DTE Energy.

Where is John Janiszewski based?

John Janiszewski is based in Lansing, Michigan, United States while working with DTE Energy.

What companies has John Janiszewski worked for?

John Janiszewski has worked for Dte Energy, Dykema, Michigan State University, and Michigan Department Of Attorney General.

Who are John Janiszewski's colleagues at DTE Energy?

John Janiszewski's colleagues at DTE Energy include Mark Vanstone, Cynthia Patterson, Steve Anderson, Eric Heft, and Gwendolyn Clemons.

How can I contact John Janiszewski?

You can use AeroLeads to view verified contact signals for John Janiszewski at DTE Energy, including work email, phone, and LinkedIn data when available.

What schools did John Janiszewski attend?

John Janiszewski holds Doctor Of Law - Jd, Law from Michigan State University College Of Law.

What skills is John Janiszewski known for?

John Janiszewski is listed with skills including Litigation, Legal Writing, Appeals, Trial Practice, Motions, Westlaw, Legal Research, and Negotiation.

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