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Greg Seybert Email & Phone Number

Lead Commercial Sourcing Advisor at Marathon Petroleum Corporation
Location: League City, Texas, United States 4 work roles 2 schools
2 work emails found @marathonpetroleum.com LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

Contact Signals · 2 work emails

Work email g****@marathonpetroleum.com
LinkedIn Profile matched
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Current company
Marathon Petroleum Corporation
Role
Lead Commercial Sourcing Advisor
Location
League City, Texas, United States
Company size
16072 employees

Who is Greg Seybert? Overview

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Quick answer

Greg Seybert is listed as Lead Commercial Sourcing Advisor at Marathon Petroleum Corporation, a with 16072 employees, based in League City, Texas, United States. AeroLeads shows a work email signal at marathonpetroleum.com and a matched LinkedIn profile for Greg Seybert.

Greg Seybert previously worked as Sr. Commercial Sourcing Advisor at Marathon Petroleum Corporation and Senior Business Analyst / Budget Coordinator at Marathon Petroleum Corporation. Greg Seybert holds Master'S, Business Management from California State University, Long Beach.

Company email context

Email format at Marathon Petroleum Corporation

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gseybert@marathonpetroleum.com
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AeroLeads found 2 current-domain work email signals for Greg Seybert. Compare company email patterns before reaching out.

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Profile bio

About Greg Seybert

Greg Seybert is a Lead Commercial Sourcing Advisor at Marathon Petroleum Corporation. He possess expertise in financial analysis, project management, business development, process improvement, sap and 6 more skills.

Listed skills include Financial Analysis, Project Management, Business Development, Process Improvement, and 7 others.

Current workplace

Greg Seybert's current company

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

Marathon Petroleum Corporation
Marathon Petroleum Corporation
Lead Commercial Sourcing Advisor
League City, TX, US
Website
marathonpetroleum.com
Employees
16072
AeroLeads page
Company profile
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4 roles · 22 years

Greg Seybert work experience

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

Business Manager / Investment Planning & Business Development

Bp

London, England, Gb

2005 - 2013 ~8 yrs
Team & coworkers

Colleagues at Marathon Petroleum Corporation

Other employees you can reach at marathonpetroleum.com. View company contacts for 16072 employees →

MR Mark Ritter Mark Ritter Colleague at Marathon Petroleum CorporationCoatesville, Indiana, United States View → MP Mark Pena Mark Pena Colleague at Marathon Petroleum CorporationAngleton, Texas, United States View → BS Brent S. Brent S. Colleague at Marathon Petroleum CorporationHouston, Texas, United States View → AR Austin Rooper Austin Rooper Colleague at Marathon Petroleum CorporationCharleston-Huntington Area, United States View → JA Jim Adams Jim Adams Colleague at Marathon Petroleum CorporationCanton, Ohio, United States View → RW Rejoice Williams Rejoice Williams Colleague at Marathon Petroleum CorporationLagos, Lagos State, Nigeria View → EA Ernesto Aguilar Gonzalez Ernesto Aguilar Gonzalez Colleague at Marathon Petroleum CorporationUnited States View → AA Anas A. Jamrah, Ph.D., P.E. Anas A. Jamrah, Ph.D., P.E. Colleague at Marathon Petroleum CorporationFindlay, Ohio, United States View → GG Gino Gentile Gino Gentile Colleague at Marathon Petroleum CorporationColumbus, Ohio, United States View → KL Kim Lewison Kim Lewison Colleague at Marathon Petroleum CorporationSan Antonio, Texas Metropolitan Area, United States View →
2 education records

Greg Seybert education

Master'S, Business Management

California State University, Long Beach

Bachelor'S Degree, Finance And Financial Management Services

California State University - Chico
FAQ

Frequently asked questions about Greg Seybert

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

What company does Greg Seybert work for?

Greg Seybert works for Marathon Petroleum Corporation.

What is Greg Seybert's role at Marathon Petroleum Corporation?

Greg Seybert is listed as Lead Commercial Sourcing Advisor at Marathon Petroleum Corporation.

What is Greg Seybert's email address?

AeroLeads has found 2 work email signals at @marathonpetroleum.com for Greg Seybert at Marathon Petroleum Corporation.

Where is Greg Seybert based?

Greg Seybert is based in League City, Texas, United States while working with Marathon Petroleum Corporation.

What companies has Greg Seybert worked for?

Greg Seybert has worked for Marathon Petroleum Corporation and Bp.

Who are Greg Seybert's colleagues at Marathon Petroleum Corporation?

Greg Seybert's colleagues at Marathon Petroleum Corporation include Mark Ritter, Mark Pena, Brent S., Austin Rooper, and Jim Adams.

How can I contact Greg Seybert?

You can use AeroLeads to view verified contact signals for Greg Seybert at Marathon Petroleum Corporation, including work email, phone, and LinkedIn data when available.

What schools did Greg Seybert attend?

Greg Seybert holds Master'S, Business Management from California State University, Long Beach.

What skills is Greg Seybert known for?

Greg Seybert is listed with skills including Financial Analysis, Project Management, Business Development, Process Improvement, Sap, Business Analysis, Forecasting, and Project Planning.

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