ATC Employee Directory

UtilitiesUnited States501-1000 Employees

ATC is connecting you with a sustainable energy future. We are a transmission-only electric utility that helps keep the lights on, businesses running and communities strong in portions of Wisconsin, Michigan, Minnesota and Illinois. As an owner and operator of almost 10,000 miles of transmission lines and more than 560 substations, we help meet the power needs of more than 5 million customers in Midwestern communities. 

Our mission is to perfect our business and lead the transition to a sustainable energy future. 

We live a culture of one team – connected by purpose, curiosity and positive energy. 

We are guided by our values: We Care, We Challenge, We Commit, We Communicate, We Compete and We Celebrate.

Find ATC employees' phone numbers or email addresses

ATC Global Highlights

North America
760

United States Of America
759
Mexico
1

Asia
7

India
4
Bangladesh
2
Pakistan
1

ATC's Leadership

M. T.
Chief Executive Officer
Mobile Phone
Email
T. A. M.
Chief Executive Officer
Mobile Phone
Email
T. F.
Chief Executive Officer, Managing Partner
Mobile Phone
Email
A. G.
Chief Financial Officer
Mobile Phone
Email
T. D.
Vice President - System Planning
Mobile Phone
Email
G. L.
Vice President Of Regional Affairs & Strategic Siting
Mobile Phone
Email
B. R.
Vice President - Finance/Accounting
Mobile Phone
Email
S. H.
Vice President It
Mobile Phone
Email

ATC Employee Metrics

100%

50%

0%

2025

2024

Engineering
Program & Project Management
Consultant
Analytics
Operations
Other
Information Technology

Contact profiles from ATC

Name

Title

Contact Info

Location

Last Update

T. M.
Chair, President And Ceo
Mobile Phone
Email
United StatesWisconsin
Oct 20, 2025
L. L.
Evp, Chief People, Culture & Customer Officer
Mobile Phone
Email
United StatesWisconsin
Feb 23, 2024
M. H.
Evp And Chief Financial Officer
Mobile Phone
Email
United StatesWisconsin
Oct 13, 2025
M. R.
President And Ceo
Mobile Phone
Email
United StatesWisconsin
Oct 24, 2025
T. F.
Evp - Chief Systems Officer
Mobile Phone
Email
United StatesWisconsin
Oct 13, 2025
A. G.
Chief Financial Officer
Mobile Phone
Email
Oct 23, 2024
M. T.
Chief Executive Officer
Mobile Phone
Email
Oct 24, 2024
N. V. E.
Co-Founder
Mobile Phone
Email
Oct 21, 2024
S. S.
Executive Assistant To President And CEO
Mobile Phone
Email
United StatesWisconsin
Oct 22, 2024
T. A. M.
Chief Executive Officer
Mobile Phone
Email
Oct 16, 2024

Frequently Asked Questions

What is ATC known for?

ATC operates in the Utilities industry. The company's main headquarters is located in PO Box 47, Waukesha, WI 53187-0047, US; you can contact the main corporate office by phone at

+1-262-506-****

. Explore ATC's company overview page for more information.

What is ATC's most common email format?

ATC employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more ATC email formats with LeadIQ.

How many employees does ATC have currently?

ATC has approximately 828 employees as of October 2025. These team members are located across 2 continents, including North AmericaAsia.

Who are ATC's key employees and leadership?

As of October 2025, ATC's key employees include:

Chief Executive Officer: M. T.
Chief Executive Officer: T. A. M.
Chief Executive Officer, Managing Partner: T. F.
Chief Financial Officer: A. G.
Vice President - System Planning: T. D.

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