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Mary Simpler Email & Phone Number
Safety and Risk Coordinator
at
Horizon Services, LLC.
LinkedIn matched
✓ Verified August 2026
3 data sources
Profile completeness 86%
Current company
Role
Safety and Risk Coordinator
Location
Dover, Delaware, United States
Company size
Who is Mary Simpler? Overview
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Quick answer
Mary Simpler is listed as Safety and Risk Coordinator at Horizon Services, LLC., a with 192 employees, based in Dover, Delaware, United States. AeroLeads shows a matched LinkedIn profile for Mary Simpler.
Mary Simpler previously worked as Worker’s Compensation at Delaware Park Racetrack & Slots and Safety, Health and Environmental Manager at Prince Minerals Llc. Mary Simpler holds Business Administration And Management, General from Delaware Technical Community College.
Company email context
Email format at Horizon Services, LLC.
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Horizon Services, LLC.
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Profile bio
About Mary Simpler
Experienced Safety Environmental Manager with a demonstrated history of working in the mining & metals industry. Skilled in Safety Management Systems, Root Cause Analysis, Workers Compensation, Risk Management, Manufacturing, Technical Writing and Incident Investigation.
Current workplace
Mary Simpler's current company
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Horizon Services, Llc.
3 roles
Mary Simpler work experience
A career timeline built from the work history available for this profile.
Worker’S Compensation
Current
Sep 2020 - Present
Safety, Health And Environmental Manager
Prince Minerals Llc
Nov 2007 - Apr 2020
Team & coworkers
Colleagues at Horizon Services, LLC.
Other employees you can reach at delawarepark.com. View company contacts for 192 employees →
MA
Matthew Alexander
Colleague at Horizon Services, Llc.New Castle, Delaware, United States
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AD
Ashlin Delucia
Colleague at Horizon Services, Llc.Hockessin, Delaware, United States
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MC
Maria Casalena Boggs
Colleague at Horizon Services, Llc.Coatesville, Pennsylvania, United States
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JG
Joanne Gaynor
Colleague at Horizon Services, Llc.Clayton, Delaware, United States
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AM
Alicia Miller
Colleague at Horizon Services, Llc.New Castle, Delaware, United States
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EJ
Enrique Jose Suday
Colleague at Horizon Services, Llc.Bear, Delaware, United States
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BO
Brandon Oneil
Colleague at Horizon Services, Llc.Greater Philadelphia, United States
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MR
Marilyn Roman
Colleague at Horizon Services, Llc.Bear, Delaware, United States
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TP
Tim Purdy
Colleague at Horizon Services, Llc.Greater Philadelphia, United States
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AH
Adrainia Hughes
Colleague at Horizon Services, Llc.New Castle, Delaware, United States
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Matthew Alexander
Colleague at Horizon Services, Llc.New Castle, Delaware, United States
View →
AD
Ashlin Delucia
Colleague at Horizon Services, Llc.Hockessin, Delaware, United States
View →
MC
Maria Casalena Boggs
Colleague at Horizon Services, Llc.Coatesville, Pennsylvania, United States
View →
JG
Joanne Gaynor
Colleague at Horizon Services, Llc.Clayton, Delaware, United States
View →
AM
Alicia Miller
Colleague at Horizon Services, Llc.New Castle, Delaware, United States
View →
EJ
Enrique Jose Suday
Colleague at Horizon Services, Llc.Bear, Delaware, United States
View →
BO
Brandon Oneil
Colleague at Horizon Services, Llc.Greater Philadelphia, United States
View →
MR
Marilyn Roman
Colleague at Horizon Services, Llc.Bear, Delaware, United States
View →
TP
Tim Purdy
Colleague at Horizon Services, Llc.Greater Philadelphia, United States
View →
AH
Adrainia Hughes
Colleague at Horizon Services, Llc.New Castle, Delaware, United States
View →
1 education record
Mary Simpler education
FAQ
Frequently asked questions about Mary Simpler
Quick answers generated from the profile data available on this page.
What company does Mary Simpler work for?
Mary Simpler works for Horizon Services, LLC..
What is Mary Simpler's role at Horizon Services, LLC.?
Mary Simpler is listed as Safety and Risk Coordinator at Horizon Services, LLC..
Where is Mary Simpler based?
Mary Simpler is based in Dover, Delaware, United States while working with Horizon Services, LLC..
What companies has Mary Simpler worked for?
Mary Simpler has worked for Horizon Services, Llc., Delaware Park Racetrack & Slots, and Prince Minerals Llc.
Who are Mary Simpler's colleagues at Horizon Services, LLC.?
Mary Simpler's colleagues at Horizon Services, LLC. include Matthew Alexander, Ashlin Delucia, Maria Casalena Boggs, Joanne Gaynor, and Alicia Miller.
How can I contact Mary Simpler?
You can use AeroLeads to view verified contact signals for Mary Simpler at Horizon Services, LLC., including work email, phone, and LinkedIn data when available.
What schools did Mary Simpler attend?
Mary Simpler holds Business Administration And Management, General from Delaware Technical Community College.
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