John Stefko
2 email domains
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John Stefko Email & Phone Number
Engineering Manager at Marathon Petroleum Company
at
Marathon Petroleum Company
LinkedIn matched
✓ Verified August 2026
2 data sources
Profile completeness 71%
Current company
Role
Engineering Manager at Marathon Petroleum Company
Location
Oxford, Michigan, United States
Company size
Who is John Stefko? Overview
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Quick answer
John Stefko is listed as Engineering Manager at Marathon Petroleum Company at Marathon Petroleum Company, a with 11295 employees, based in Oxford, Michigan, United States. AeroLeads shows a matched LinkedIn profile for John Stefko.
John Stefko previously worked as Engineering Manager at Marathon Petroleum Company.
Company email context
Email format at Marathon Petroleum Company
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Marathon Petroleum Company
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Profile bio
About John Stefko
John Stefko is a Engineering Manager at Marathon Petroleum Company at Marathon Petroleum Company.
Current workplace
John Stefko's current company
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Marathon Petroleum Company
1 role
John Stefko work experience
A career timeline built from the work history available for this profile.
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Engineering Manager
Team & coworkers
Colleagues at Marathon Petroleum Company
Other employees you can reach at marathonpetroleum.com. View company contacts for 11295 employees →
JP
Jacob Prillaman
Colleague at Marathon Petroleum CompanySan Antonio, Texas, United States
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WB
William Barterll
Colleague at Marathon Petroleum CompanyCincinnati, Ohio, United States
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MB
Mike Barnett
Colleague at Marathon Petroleum CompanyCatlettsburg, Kentucky, United States
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AB
Audrey Baket
Colleague at Marathon Petroleum CompanyColumbus, Ohio, United States
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ÁL
Álvaro Louro Vales
Colleague at Marathon Petroleum CompanyMurcia, Región De Murcia, Spain
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RD
Rhonda Dean
Colleague at Marathon Petroleum CompanyJohnson City, Tennessee, United States
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JL
Jared Livesay
Colleague at Marathon Petroleum CompanyTexas City, Texas, United States
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AB
Andrew Berkey
Colleague at Marathon Petroleum CompanyOcala, Florida, United States
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SB
Stephen Ball
Colleague at Marathon Petroleum CompanySan Antonio, Texas, United States
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NW
Nicole Wilson
Colleague at Marathon Petroleum CompanyGreater Boston, United States
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Jacob Prillaman
Colleague at Marathon Petroleum CompanySan Antonio, Texas, United States
View →
WB
William Barterll
Colleague at Marathon Petroleum CompanyCincinnati, Ohio, United States
View →
MB
Mike Barnett
Colleague at Marathon Petroleum CompanyCatlettsburg, Kentucky, United States
View →
AB
Audrey Baket
Colleague at Marathon Petroleum CompanyColumbus, Ohio, United States
View →
ÁL
Álvaro Louro Vales
Colleague at Marathon Petroleum CompanyMurcia, Región De Murcia, Spain
View →
RD
Rhonda Dean
Colleague at Marathon Petroleum CompanyJohnson City, Tennessee, United States
View →
JL
Jared Livesay
Colleague at Marathon Petroleum CompanyTexas City, Texas, United States
View →
AB
Andrew Berkey
Colleague at Marathon Petroleum CompanyOcala, Florida, United States
View →
SB
Stephen Ball
Colleague at Marathon Petroleum CompanySan Antonio, Texas, United States
View →
NW
Nicole Wilson
Colleague at Marathon Petroleum CompanyGreater Boston, United States
View →
FAQ
Frequently asked questions about John Stefko
Quick answers generated from the profile data available on this page.
What company does John Stefko work for?
John Stefko works for Marathon Petroleum Company.
What is John Stefko's role at Marathon Petroleum Company?
John Stefko is listed as Engineering Manager at Marathon Petroleum Company at Marathon Petroleum Company.
Where is John Stefko based?
John Stefko is based in Oxford, Michigan, United States while working with Marathon Petroleum Company.
What companies has John Stefko worked for?
John Stefko has worked for Marathon Petroleum Company.
Who are John Stefko's colleagues at Marathon Petroleum Company?
John Stefko's colleagues at Marathon Petroleum Company include Jacob Prillaman, William Barterll, Mike Barnett, Audrey Baket, and Álvaro Louro Vales.
How can I contact John Stefko?
You can use AeroLeads to view verified contact signals for John Stefko at Marathon Petroleum Company, including work email, phone, and LinkedIn data when available.
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