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Gary Semmer Email & Phone Number

Executive Vice President and Construction Vertical Practice Leader at AssuredPartners/Gallagher

Location: Warrenville, Illinois, United States 3 work roles 1 school

1 work email found @esserhayes.com 3 phones found area 630 LinkedIn matched

✓ Verified May 2026 4 data sources Profile completeness 100%

Current company

AssuredPartners/Gallagher

Role

Executive Vice President and Construction Vertical Practice Leader

Location

Warrenville, Illinois, United States

Company size

1720 employees

Who is Gary Semmer? Overview

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Quick answer

Gary Semmer is listed as Executive Vice President and Construction Vertical Practice Leader at AssuredPartners/Gallagher, a company with 1720 employees, based in Warrenville, Illinois, United States. AeroLeads shows a work email signal at esserhayes.com, phone signal with area code 630, and a matched LinkedIn profile for Gary Semmer.

Gary Semmer previously worked as Executive Vice President/ Construction Vertical Practice Leader at Assuredpartners and Commercial Insurance Underwriter at St Paul Insurance Company. Gary Semmer holds Bsb, Marketing & Finance from University Of Minnesota - Carlson School Of Management.

Company email context

Email format at AssuredPartners/Gallagher

This section adds company-level context without repeating Gary Semmer's masked contact details.

{first_initial}{last}@esserhayes.com

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AeroLeads found 1 current-domain work email signal for Gary Semmer. Compare company email patterns before reaching out.

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Profile bio

About Gary Semmer

We provide Commercial Insurance & Risk Management consulting and Employee Benefit programs for Middle Market companies. Our AssuredPartners Chicago office specializes in Construction, Real Estate Development, Manufacturing & Distribution, and Non-Profit organizations. I’m one of AP’s Construction Vertical Practice Leaders. Our Construction practice includes Real Estate Owner/Developers, General Contractors, Homebuilders, Trade & Mechanical Contractors and Specialty Contractors. We provide traditional Guaranteed Cost, High Deductible WC & GL programs, Wrap-Ups (OCIP & CCIP)and Construction Captives. Our client group is based in the Chicago metro area and we are licensed in all 50 States and I collaborate with our AssuredPartners Construction experts in 400+ offices. I received the 2018 Top Producers award by Insurance Business America (IBA) for my Client work which placed me in the top 80 Insurance Brokers in the U.S. I received my Certified Insurance Counselor (CIC) designation and I'm a member of the Risk & Insurance Education Alliance. I received my Certified Work Comp Adviser (CWCA) designation and I'm a member of the Institute for Workers Compensation Professionals (IWCP). I provide Risk Management Consulting & Insurance Coverage Audits and Expert Witness consulting on a fee basis.

Listed skills include Insurance, Commercial Insurance, Property And Casualty Insurance, Professional Liability, and 46 others.

Current workplace

Gary Semmer's current company

Company context helps verify the profile and gives searchers a useful next step.

Assuredpartners/Gallagher

Executive Vice President and Construction Vertical Practice Leader

Warrenville, IL, US

Website

assuredpartners.com

Employees

1720

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Company profile

View company profile Email format

3 roles

Gary Semmer work experience

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

Executive Vice President And Construction Vertical Practice Leader

Assuredpartners/Gallagher

Warrenville, IL, US

Executive Vice President/ Construction Vertical Practice Leader

Current

Assuredpartners

Greater Chicago Area

Commercial Insurance, Risk Management Consulting, Employee Benefits and Personal Insurance for Private Client Group.

Apr 1979 - Present

Commercial Insurance Underwriter

St Paul Insurance Company

St Paul Insurance Co./ Travelers Ins Co.

Feb 1977 - Apr 1979

Team & coworkers

Colleagues at AssuredPartners/Gallagher

Other employees you can reach at assuredpartners.com. View company contacts for 1720 employees →

BW

Brian Walker Colleague at Assuredpartners/Gallagher Scottsdale, Arizona, United States, United States View → RW

Renee Walsh Colleague at Assuredpartners/Gallagher Dubuque, Iowa, United States, United States View → TS

Trena Sullivan Colleague at Assuredpartners/Gallagher United States, United States View → AP

Alexis Pohl Colleague at Assuredpartners/Gallagher O'Fallon, Missouri, United States, United States View → SM

Scott Morrison, Cris Colleague at Assuredpartners/Gallagher Louisville, Kentucky, United States, United States View → BF

Becky Finley Colleague at Assuredpartners/Gallagher Lebanon, Ohio, United States, United States View → AG

Adam Grafchik Colleague at Assuredpartners/Gallagher Louisville, Kentucky, United States, United States View → JW

Jay Williams Colleague at Assuredpartners/Gallagher Louisville Metropolitan Area, United States View → JF

Jessie Fletcher Colleague at Assuredpartners/Gallagher Bowling Green, Kentucky, United States, United States View → MH

Melissa Harvey Colleague at Assuredpartners/Gallagher Cleveland, Ohio, United States, United States View →

1 education record

Gary Semmer education

University Of Minnesota - Carlson School Of Management

Marketing & Finance

FAQ

Frequently asked questions about Gary Semmer

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

What company does Gary Semmer work for?

Gary Semmer works for AssuredPartners/Gallagher.

What is Gary Semmer's role at AssuredPartners/Gallagher?

Gary Semmer is listed as Executive Vice President and Construction Vertical Practice Leader at AssuredPartners/Gallagher.

What is Gary Semmer's email address?

AeroLeads has found 1 work email signal at @esserhayes.com for Gary Semmer at AssuredPartners/Gallagher.

What is Gary Semmer's phone number?

AeroLeads has found 3 phone signal(s) with area code 630 for Gary Semmer at AssuredPartners/Gallagher.

Where is Gary Semmer based?

Gary Semmer is based in Warrenville, Illinois, United States while working with AssuredPartners/Gallagher.

What companies has Gary Semmer worked for?

Gary Semmer has worked for Assuredpartners/Gallagher, Assuredpartners, and St Paul Insurance Company.

Who are Gary Semmer's colleagues at AssuredPartners/Gallagher?

Gary Semmer's colleagues at AssuredPartners/Gallagher include Brian Walker, Renee Walsh, Trena Sullivan, Alexis Pohl, and Scott Morrison, Cris.

How can I contact Gary Semmer?

You can use AeroLeads to view verified contact signals for Gary Semmer at AssuredPartners/Gallagher, including work email, phone, and LinkedIn data when available.

What schools did Gary Semmer attend?

Gary Semmer holds Bsb, Marketing & Finance from University Of Minnesota - Carlson School Of Management.

What skills is Gary Semmer known for?

Gary Semmer is listed with skills including Insurance, Commercial Insurance, Property And Casualty Insurance, Professional Liability, Risk Management, Workers Compensation, Brokers, and Legal Liability.

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