Siu Investigator
Current
Feb 2024 - Present
AeroLeads people directory · profile
Michael Mainieri Email & Phone Number
SIU Investigator at Centene
at
Centene Corporation
LinkedIn matched
✓ Verified August 2026
3 data sources
Profile completeness 86%
Current company
Role
SIU Investigator at Centene
Location
Greater St. Louis, United States
Company size
Who is Michael Mainieri? Overview
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Quick answer
Michael Mainieri is listed as SIU Investigator at Centene at Centene Corporation, a with 17105 employees, based in Greater St. Louis, United States. AeroLeads shows a matched LinkedIn profile for Michael Mainieri.
Michael Mainieri previously worked as SIU Investigator at Centene Corporation and School Resource Corporal at Wentzville Police Dept. Michael Mainieri holds Business/Corporate Communications from Lindenwood University.
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Email format at Centene Corporation
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Centene Corporation
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Profile bio
About Michael Mainieri
I am a dedicated investigator in the private sector with comprehensive experience working complex investigations. I am a retired police officer with over 20 years of distinguished law enforcement experience. I possess in-depth knowledge in crisis negotiation and investigations, and more than a decade of experience in firearms and general instruction. Additionally, I have extensive experience in community outreach, fostering positive connections in my community. With more than 6 years of experience as a school resource officer, I have combined dedication to safety with a commitment to building strong relationships within educational settings.
Current workplace
Michael Mainieri's current company
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Centene Corporation
14 roles · 11 years
Michael Mainieri work experience
A career timeline built from the work history available for this profile.
School Resource Corporal
As a School Resource Officer (SRO) my role is to maintain a safe school environment by building positive relationships with students and staff, enforcing laws on school grounds, addressing security concerns, providing counseling and guidance, and sometimes teaching classes on safety and law-related topics. I always aim to foster a positive connection between law enforcement and the school community, and I put in the work to ensure these relationships stand the test of time.
May 2021 - Feb 2024
Background Investigator
Conducts comprehensive background investigations for employment hiring processes.
Apr 2016 - Feb 2024
Honor Guard
As one of the founding members of the departmental honor guard, I've been active on the team since 2016. In 2022 I was selected as the commander of the unit. Together, the members of the unit have grown it to be one of the premiere honor guard units in the area.
2016 - Feb 2024
Firearms Instructor
Dec 2012 - Feb 2024
Police Officer
Feb 2008 - Feb 2024
Business/Residential Liaison
As the department's 1st ever liaison officer, I pioneered the role into it's constantly evolving state. A problem solver role at its core, the liaison assignment was a perfect match for my intuitive mindset.
Dec 2016 - May 2021
Hostage/Crisis Negotiator
St. Charles County Regional Cnt
The St. Charles County Regional Crisis Negotiation Team works in parallel with the St. Charles County Regional SWAT Team and its mission is to preserve life during critical incidents in a way that minimizes harm. This team initiates verbal dialog with suicidal persons, criminal barricaded suspects and people involved in hostage situations.CNT members are assigned to other full time assignments within the police department and perform their CNT duties in addition to their regular… Show more The St. Charles County Regional Crisis Negotiation Team works in parallel with the St. Charles County Regional SWAT Team and its mission is to preserve life during critical incidents in a way that minimizes harm. This team initiates verbal dialog with suicidal persons, criminal barricaded suspects and people involved in hostage situations.CNT members are assigned to other full time assignments within the police department and perform their CNT duties in addition to their regular assignments. The team is a multi-jurisdictional unit which includes members from the County and Municipal agencies within St. Charles County. The Lake Saint Louis Police Department has participated in the St. Charles County Regional Crisis Negotiation Team since its inception in 2005. Show less
Feb 2021 - Feb 2024
Active Killer Response Trainer
Tier One Tactical Solutions 4E©
The 4 E© program provides instruction to civilian public on response to active killer situations. Participants receive instruction on the 4E© core principles: Educate, Evade, Escape and Engage.
2017 - Feb 2024
Eastern Region Representative (Elected)
MORCA was a Non-Profit statewide information sharing effort, consisting of law enforcement officers, and managers, loss prevention officers, and asset protection professionals from retail establishments across the state of Missouri. Additionally, the association provided training, daily bulletins, and investigative assistance to it’s members.
May 2018 - May 2020
Police Officer
Des Peres Department Of Public Safety
Oct 2013 - Jan 2015
Police Officer
Nov 2004 - Feb 2008
Major Case Investigator
Greater St. Louis Area Major Case Squad
Jan 2006 - Dec 2007
Police Officer
Jun 2003 - Nov 2004
Team & coworkers
Colleagues at Centene Corporation
Other employees you can reach at centene.com. View company contacts for 17105 employees →
JB
Jamie Bohannon
Colleague at Centene CorporationFarmersville, Texas, United States
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CN
Chelsey Nichols
Colleague at Centene CorporationDallas-Fort Worth Metroplex, United States
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RP
Rekinda Phillips, Cpc
Colleague at Centene CorporationSt Louis, Missouri, United States
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CM
Charles Mclean
Colleague at Centene CorporationPortland, Oregon, United States
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SM
Samantha Marin
Colleague at Centene CorporationSt Cloud, Florida, United States
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RC
Robert Clark
Colleague at Centene CorporationNew Port Richey, Florida, United States
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CR
Caitlin René Thompson
Colleague at Centene CorporationFort Wayne, Indiana, United States
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JP
Jennifer Payne
Colleague at Centene CorporationGreater Orlando, United States
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HS
Harriet Smith
Colleague at Centene CorporationEdmond, Oklahoma, United States
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CB
Cordell Baugh-Samuels Mrc, Crc
Colleague at Centene CorporationUnited States
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Jamie Bohannon
Colleague at Centene CorporationFarmersville, Texas, United States
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CN
Chelsey Nichols
Colleague at Centene CorporationDallas-Fort Worth Metroplex, United States
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RP
Rekinda Phillips, Cpc
Colleague at Centene CorporationSt Louis, Missouri, United States
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CM
Charles Mclean
Colleague at Centene CorporationPortland, Oregon, United States
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SM
Samantha Marin
Colleague at Centene CorporationSt Cloud, Florida, United States
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RC
Robert Clark
Colleague at Centene CorporationNew Port Richey, Florida, United States
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CR
Caitlin René Thompson
Colleague at Centene CorporationFort Wayne, Indiana, United States
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JP
Jennifer Payne
Colleague at Centene CorporationGreater Orlando, United States
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HS
Harriet Smith
Colleague at Centene CorporationEdmond, Oklahoma, United States
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CB
Cordell Baugh-Samuels Mrc, Crc
Colleague at Centene CorporationUnited States
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3 education records
Michael Mainieri education
Business/Corporate Communications
General Studies
General Studies
FAQ
Frequently asked questions about Michael Mainieri
Quick answers generated from the profile data available on this page.
What company does Michael Mainieri work for?
Michael Mainieri works for Centene Corporation.
What is Michael Mainieri's role at Centene Corporation?
Michael Mainieri is listed as SIU Investigator at Centene at Centene Corporation.
Where is Michael Mainieri based?
Michael Mainieri is based in Greater St. Louis, United States while working with Centene Corporation.
What companies has Michael Mainieri worked for?
Michael Mainieri has worked for Centene Corporation, Wentzville Police Dept, St. Charles County Regional Cnt, Tier One Tactical Solutions 4E©, and Missouri Organized Retail Crime Association.
Who are Michael Mainieri's colleagues at Centene Corporation?
Michael Mainieri's colleagues at Centene Corporation include Jamie Bohannon, Chelsey Nichols, Rekinda Phillips, Cpc, Charles Mclean, and Samantha Marin.
How can I contact Michael Mainieri?
You can use AeroLeads to view verified contact signals for Michael Mainieri at Centene Corporation, including work email, phone, and LinkedIn data when available.
What schools did Michael Mainieri attend?
Michael Mainieri holds Business/Corporate Communications from Lindenwood University.
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