Security Officer
Current
Ssm Health St. Mary’S Hospital
Jan 2016 - Present
AeroLeads people directory · profile
Mark Calhoun Email & Phone Number
Security Officer
at
Whelan Security
3 work emails found
@sbcglobal.net
6 phones found area 314
LinkedIn matched
✓ Verified May 2026
4 data sources
Profile completeness 100%
Current company
Role
Security Officer
Location
Greater St. Louis, United States, United States
Company size
Who is Mark Calhoun? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Mark Calhoun is listed as Security Officer at Whelan Security, a company with 2423 employees, based in Greater St. Louis, United States, United States. AeroLeads shows a work email signal at sbcglobal.net, phone signal with area code 314, and a matched LinkedIn profile for Mark Calhoun.
Mark Calhoun previously worked as Security Officer at Ssm Health St. Mary’S Hospital and Security Guard at National Park Service. Mark Calhoun holds Hs Diploma, General Studies from Lovejoy High School.
Company email context
Email format at Whelan Security
This section adds company-level context without repeating Mark Calhoun's masked contact details.
*@sbcglobal.net
74% confidence
AeroLeads found 3 current-domain work email signals for Mark Calhoun. Compare company email patterns before reaching out.
Profile bio
About Mark Calhoun
Mark Calhoun is a Security Officer at Whelan Security. He possess expertise in physical security, emergency management, firearms, management, microsoft office and 5 more skills.
Listed skills include Physical Security, Emergency Management, Firearms, Management, and 6 others.
Current workplace
Mark Calhoun's current company
Company context helps verify the profile and gives searchers a useful next step.
Whelan Security
3 roles
Mark Calhoun work experience
A career timeline built from the work history available for this profile.
Security Officer
Current
Apr 2015 - Present
Security Guard
Jun 2012 - Feb 2015
Team & coworkers
Colleagues at Whelan Security
Other employees you can reach at whelansecurity.com. View company contacts for 2423 employees →
KW
Keisha Williams
Colleague at Whelan Security
Washington, District Of Columbia, United States, United States
View →
MW
Marilyn Walton
Colleague at Whelan Security
Merrillville, Indiana, United States, United States
View →
KE
Kaniya English
Colleague at Whelan Security
Minneapolis, Minnesota, United States, United States
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RC
Ryan Cox
Colleague at Whelan Security
Pine, Arizona, United States, United States
View →
MC
Michael Crayton
Colleague at Whelan Security
Tupelo, Mississippi, United States, United States
View →
NC
Najwa Clinkscale
Colleague at Whelan Security
Greater St. Louis, United States
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CP
Crystal Price
Colleague at Whelan Security
Baton Rouge, Louisiana, United States, United States
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RG
Robert Garcia
Colleague at Whelan Security
San Jose, California, United States, United States
View →
K(
Kevin (Kd)
Colleague at Whelan Security
Greater Chicago Area, United States
View →
TM
Tyesha Mcconnell
Colleague at Whelan Security
Mission, Kansas, United States, United States
View →
Keisha Williams
Colleague at Whelan Security
Washington, District Of Columbia, United States, United States
View →
MW
Marilyn Walton
Colleague at Whelan Security
Merrillville, Indiana, United States, United States
View →
KE
Kaniya English
Colleague at Whelan Security
Minneapolis, Minnesota, United States, United States
View →
RC
Ryan Cox
Colleague at Whelan Security
Pine, Arizona, United States, United States
View →
MC
Michael Crayton
Colleague at Whelan Security
Tupelo, Mississippi, United States, United States
View →
NC
Najwa Clinkscale
Colleague at Whelan Security
Greater St. Louis, United States
View →
CP
Crystal Price
Colleague at Whelan Security
Baton Rouge, Louisiana, United States, United States
View →
RG
Robert Garcia
Colleague at Whelan Security
San Jose, California, United States, United States
View →
K(
Kevin (Kd)
Colleague at Whelan Security
Greater Chicago Area, United States
View →
TM
Tyesha Mcconnell
Colleague at Whelan Security
Mission, Kansas, United States, United States
View →
2 education records
Mark Calhoun education
Hs Diploma, General Studies
Lovejoy High School
Education record
Lovejoy High School
FAQ
Frequently asked questions about Mark Calhoun
Quick answers generated from the profile data available on this page.
What company does Mark Calhoun work for?
Mark Calhoun works for Whelan Security.
What is Mark Calhoun's role at Whelan Security?
Mark Calhoun is listed as Security Officer at Whelan Security.
What is Mark Calhoun's email address?
AeroLeads has found 3 work email signals at @sbcglobal.net for Mark Calhoun at Whelan Security.
What is Mark Calhoun's phone number?
AeroLeads has found 6 phone signal(s) with area code 314 for Mark Calhoun at Whelan Security.
Where is Mark Calhoun based?
Mark Calhoun is based in Greater St. Louis, United States, United States while working with Whelan Security.
What companies has Mark Calhoun worked for?
Mark Calhoun has worked for Ssm Health St. Mary’S Hospital, Whelan Security, and National Park Service.
Who are Mark Calhoun's colleagues at Whelan Security?
Mark Calhoun's colleagues at Whelan Security include Keisha Williams, Marilyn Walton, Kaniya English, Ryan Cox, and Michael Crayton.
How can I contact Mark Calhoun?
You can use AeroLeads to view verified contact signals for Mark Calhoun at Whelan Security, including work email, phone, and LinkedIn data when available.
What schools did Mark Calhoun attend?
Mark Calhoun holds Hs Diploma, General Studies from Lovejoy High School.
What skills is Mark Calhoun known for?
Mark Calhoun is listed with skills including Physical Security, Emergency Management, Firearms, Management, Microsoft Office, Law Enforcement, First Aid, and Patrol.
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