John Stefko
4 email domains
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John Stefko Email & Phone Number
General Manager at Marathon Petroleum Corporation
at
Marathon Petroleum Corporation
LinkedIn matched
✓ Verified August 2026
2 data sources
Profile completeness 71%
Current company
Role
General Manager at Marathon Petroleum Corporation
Location
Oxford, Michigan, United States
Company size
Who is John Stefko? Overview
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Quick answer
John Stefko is listed as General Manager at Marathon Petroleum Corporation at Marathon Petroleum Corporation, a with 11295 employees, based in Oxford, Michigan, United States. AeroLeads shows a matched LinkedIn profile for John Stefko.
John Stefko previously worked as General Manager at Marathon Petroleum Corporation.
Company email context
Email format at Marathon Petroleum Corporation
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Marathon Petroleum Corporation
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Profile bio
About John Stefko
John Stefko is a General Manager at Marathon Petroleum Corporation at Marathon Petroleum Corporation.
Current workplace
John Stefko's current company
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Marathon Petroleum Corporation
1 role
John Stefko work experience
A career timeline built from the work history available for this profile.
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General Manager
Team & coworkers
Colleagues at Marathon Petroleum Corporation
Other employees you can reach at marathonpetroleum.com. View company contacts for 11295 employees →
RD
Roger Domke
Colleague at Marathon Petroleum CorporationFindlay, Ohio, United States
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LL
Leonard Lopez
Colleague at Marathon Petroleum CorporationGallup, New Mexico, United States
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CW
Christina Walker Pmp,Pmi-Acp,Csp,Csm, Safe6 Lpm,Rte,Asm,Po/Pm,Devop
Colleague at Marathon Petroleum CorporationSan Antonio, Texas, United States
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MZ
Matt Zehner
Colleague at Marathon Petroleum CorporationRobinson, Illinois, United States
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JS
Jodi Strauch
Colleague at Marathon Petroleum CorporationRobinson, Illinois, United States
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JU
Jeff Urey
Colleague at Marathon Petroleum CorporationUnited States
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BB
Brian Buzianis
Colleague at Marathon Petroleum CorporationMidvale, Utah, United States
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RP
Rick Pasi
Colleague at Marathon Petroleum CorporationFindlay, Ohio, United States
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RZ
Raymond Zazueta
Colleague at Marathon Petroleum CorporationLong Beach, California, United States
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MS
Michael Strother
Colleague at Marathon Petroleum CorporationGreater Houston, United States
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Roger Domke
Colleague at Marathon Petroleum CorporationFindlay, Ohio, United States
View →
LL
Leonard Lopez
Colleague at Marathon Petroleum CorporationGallup, New Mexico, United States
View →
CW
Christina Walker Pmp,Pmi-Acp,Csp,Csm, Safe6 Lpm,Rte,Asm,Po/Pm,Devop
Colleague at Marathon Petroleum CorporationSan Antonio, Texas, United States
View →
MZ
Matt Zehner
Colleague at Marathon Petroleum CorporationRobinson, Illinois, United States
View →
JS
Jodi Strauch
Colleague at Marathon Petroleum CorporationRobinson, Illinois, United States
View →
JU
Jeff Urey
Colleague at Marathon Petroleum CorporationUnited States
View →
BB
Brian Buzianis
Colleague at Marathon Petroleum CorporationMidvale, Utah, United States
View →
RP
Rick Pasi
Colleague at Marathon Petroleum CorporationFindlay, Ohio, United States
View →
RZ
Raymond Zazueta
Colleague at Marathon Petroleum CorporationLong Beach, California, United States
View →
MS
Michael Strother
Colleague at Marathon Petroleum CorporationGreater Houston, 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 Corporation.
What is John Stefko's role at Marathon Petroleum Corporation?
John Stefko is listed as General Manager at Marathon Petroleum Corporation at Marathon Petroleum Corporation.
Where is John Stefko based?
John Stefko is based in Oxford, Michigan, United States while working with Marathon Petroleum Corporation.
What companies has John Stefko worked for?
John Stefko has worked for Marathon Petroleum Corporation.
Who are John Stefko's colleagues at Marathon Petroleum Corporation?
John Stefko's colleagues at Marathon Petroleum Corporation include Roger Domke, Leonard Lopez, Christina Walker Pmp,Pmi-Acp,Csp,Csm, Safe6 Lpm,Rte,Asm,Po/Pm,Devop, Matt Zehner, and Jodi Strauch.
How can I contact John Stefko?
You can use AeroLeads to view verified contact signals for John Stefko at Marathon Petroleum Corporation, including work email, phone, and LinkedIn data when available.
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