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John Simmons Email & Phone Number

SOX Accounting Supervisor at Marathon Petroleum Corporation
Location: Findlay, Ohio, United States 8 work roles 1 school
2 work emails found @marathonpetroleum.com LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

Contact Signals · 2 work emails

Work email j****@marathonpetroleum.com
LinkedIn Profile matched
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Role
SOX Accounting Supervisor
Location
Findlay, Ohio, United States

Who is John Simmons? Overview

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Quick answer

John Simmons is listed as SOX Accounting Supervisor at Marathon Petroleum Corporation, based in Findlay, Ohio, United States. AeroLeads shows a work email signal at marathonpetroleum.com and a matched LinkedIn profile for John Simmons.

John Simmons previously worked as Advanced Accounting Representative at Marathon Petroleum Corporation and Supervisor - General Accounting & Accounts Receivable at Marathon Petroleum Corporation. John Simmons holds B.Comm, Accounting from University Of Calgary.

Company email context

Email format at Marathon Petroleum Corporation

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{first_initial}{last}@marathonpetroleum.com
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AeroLeads found 2 current-domain work email signals for John Simmons. Compare company email patterns before reaching out.

Profile bio

About John Simmons

Chartered Accountant (Alberta) with experience focused in the Oil and Gas and Retail Industries. I have a strong personal interest in science, technology and the environment.**The views, comments and opinions, etc. expressed on this site are my own and not subject to review or endorsement by my employer.

Listed skills include Sarbanes Oxley Act, Auditing, Internal Controls, Internal Audit, and 30 others.

Current workplace

John Simmons's current company

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Marathon Petroleum Corporation
Marathon Petroleum Corporation
SOX Accounting Supervisor
MOKENA, Illinois
AeroLeads page
8 roles

John Simmons work experience

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

Supervisor - General Accounting & Accounts Receivable

Findlay, Ohio, Us

I work with a tremendously talented group of accountants who are responsible for our Accounts Receivable, Cash, Benefits Accounting, Environmental Accounting, EPS & EPU Calculations, Prepaids, Debt, and other assorted topics; hence the name, General Accounting.I have two main sets of responsibilities, firstly working with my team to ensure that they are able to be successful in their roles, this includes consulting with them on new topics, emerging accounting issues, past errors, business unit requests, and system interface problems.Secondly, I am responsible for coaching and developing the members of my team so that they can grow and develop new skills and capabilities and advance in their own careers.

Nov 2014 - Jul 2018

Internal Controls Audit Manager

Findlay, Ohio, Us

I am responsible for the day to day management of audits designed to provide assurance that Marathon's employees are following our corporate procedures and government regulations. My responsibilities include:• Consulting with the general audit manager to develop the audit risk universe;• Designing and writing audit test programs;• Validating and updating, control descriptions, process narratives and corporate policies;• Identifying, investigating and understanding control exceptions• Developing potential solutions to prevent and/or mitigate control exceptions• Providing recommendations on how to make a process more efficient, faster and consistent with the rest of the organization• Training and developing staff• Reviewing workpapers for completeness, accuracy and clarity

Nov 2013 - Nov 2014

Director Of Internal Audit

Brentwood, Tennessee, Us

Working under the supervision of the Delek's Audit Committee, I assess and evaluate the risks posed to the operations of Delek US Holdings in order to identify areas that require or would benefit from review by an objective party within the company. Our primary role is to review the operations of business segments within the company to ensure that they are complying with corporate policies. Additionally we review compliance with the laws, rules and regulations that govern our operations and areas within our operations where efficiencies can be achieved.

Nov 2010 - Nov 2013

Manager Of Sox Compliance

Brentwood, Tennessee, Us

Responsible for the planning and the execution of Delek's internal testing of financial reporting controls and coordinating testing with external auditors.Beyond SOX compliance efforts I serve as a manager in the internal audit department supervising, planning and reviewing operational audits.

Mar 2009 - Nov 2010

Senior Staff Accountant

London, Gb

Nashville, TN - Coaches the team in the field on assurance engagements and makes sure that the work plan is properly executed by the team and documented and concluded in compliance with firm and service line policies and protocols. Contributes to the audit strategy and to the presentation of our work and its findings to the client.

Aug 2006 - Mar 2009

Senior Staff Accountant

London, Gb

Calgary, AB - Coaches the team in the field on assurance engagements and makes sure that the work plan is properly executed by the team and documented and concluded in compliance with firm and service line policies and protocols. Contributes to the audit strategy and to the presentation of our work and its findings to the client.

Sep 2003 - Aug 2006
Team & coworkers

Colleagues at Marathon Petroleum Corporation

Other employees you can reach at exxonmobilpipeline.com. View company contacts →

1 education record

John Simmons education

  • University Of Calgary
    University Of Calgary
    Accounting
FAQ

Frequently asked questions about John Simmons

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

What company does John Simmons work for?

John Simmons works for Marathon Petroleum Corporation.

What is John Simmons's role at Marathon Petroleum Corporation?

John Simmons is listed as SOX Accounting Supervisor at Marathon Petroleum Corporation.

What is John Simmons's email address?

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

Where is John Simmons based?

John Simmons is based in Findlay, Ohio, United States while working with Marathon Petroleum Corporation.

What companies has John Simmons worked for?

John Simmons has worked for Marathon Petroleum Corporation, Delek Us Holdings, and Ernst & Young.

Who are John Simmons's colleagues at Marathon Petroleum Corporation?

John Simmons's colleagues at Marathon Petroleum Corporation include Bryce Huff, Jeffery Fetters, Noreen Moralez, Dean Lafleur, and Mitchell Ault.

How can I contact John Simmons?

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

What schools did John Simmons attend?

John Simmons holds B.Comm, Accounting from University Of Calgary.

What skills is John Simmons known for?

John Simmons is listed with skills including Sarbanes Oxley Act, Auditing, Internal Controls, Internal Audit, Financial Reporting, Accounting, Financial Analysis, and General Ledger.

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