Danielle Horstman

Danielle Horstman: Email & Phone Number

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Executive Assistant at Marathon Petroleum Corporation|Findlay, Ohio, United States

Position:

Executive Assistant at Marathon Petroleum Corporation

Location:

Findlay, Ohio, United States

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Last updated: 2026-05-23
Updated: 2026-05-23

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Work Experience 19 years

Executive Assistant at Marathon Petroleum Corporation

Apr 2020 - Current

Sr Administrative Assistant at Marathon Petroleum Corporation

May 2015 - Apr 2020

Benefits Processor at Marathon Petroleum Corporation

Jan 2013 - May 2015

Administrative Assistant at Marathon Petroleum Corporation

Oct 2007 - Jan 2013

Danielle Horstman started working in 2007, then the employee has changed 3 jobs. On average, Danielle Horstman works for one company for 4 years 8 months.

Their professional focus is Account Management, Analytical Skills, and Communication across 3 core areas.

Education

Associate's degree at Owens Community College

Frequently Asked Questions

What is Danielle Horstman's email address?

SignalHire found a verified business email address for Danielle Horstman: h**@marathonpetroleum.com.

What is Danielle Horstman's phone number?

SignalHire found a verified phone number for Danielle Horstman: +1-***-***-1338.

How do I contact Danielle Horstman at Marathon Petroleum Corporation?

You can reach Danielle Horstman through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is Danielle Horstman's professional background?

Danielle Horstman has 19 years of professional experience. They have held roles including Sr Administrative Assistant, Benefits Processor, and Administrative Assistant at companies such as Marathon Petroleum Corporation, Marathon Petroleum Corporation, and Marathon Petroleum Corporation. Their education includes Associate's degree from Owens Community College.

Is Danielle Horstman's contact information up to date?

Yes. Danielle Horstman's SignalHire profile was last updated on 23 May 2026, reflecting their current position as Executive Assistant at Marathon Petroleum Corporation in Findlay, Ohio, United States.

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