About Us

Over 50 years of driving the events industry forward

About Us

Over 50 years of driving the events industry forward

What We Do

For several decades, our core services have been online and onsite registration and exhibitor lead capture, but we continue to grow. Today, we have a team dedicated to helping our customers with a wide range of event management services including planning, operations, sales, marketing, and attendee engagement.

Our Story

We are a family-owned business that was founded in 1976. We are one of the first event registration companies in the industry. With limited technology available to us at that time and no established standards for this service, we pioneered every facet of the service in order to survive and thrive.

Why Choose Event Citadel?

We are built for events of all types and sizes – from small meetings of a few hundred to massive trade shows with hundreds of thousands of people.

Our modern technology platform adapts to your needs and can easily handle the customizations that make your event unique.

Our team is composed of many of the industry’s most experienced experts who can guide you to deliver better event experiences.

Our Event Marketplace allows you to quickly and easily integrate many 3rd party services with our system for a seamless data connection.

Our business intelligence system gives you the tools to analyze and measure performance across your entire event portfolio for better decision making.

Leadership

Nathaniel T. Bradley
Chief Executive Officer

Mark LoGiurato
President 
mark.logiurato@csireg.com

Brett Moyer
Chief Financial Officer

Kahle Williams
Chief Marketing Officer
& Chief Optimization Officer
kahle.williams@csireg.com

Alexandra Schneider
Sr. VP, Client Success
alexandra.schneider@csireg.com

Jeff Jones
Chief Technology Officer

Mike Blazejewski
Sr. VP, Onsite Operations
mike.blazejewski@csireg.com

David Yearwood
VP, Field Systems Administration
david.yearwood@csireg.com

Chris Hurst
VP, IT Operations
chris.hurst@csireg.com

Leadership

Nathaniel T. Bradley
Chief Executive Officer

Mark LoGiurato
President 
mark.logiurato@csireg.com

Brett Moyer
Chief Financial Officer

Kahle Williams
Chief Marketing Officer
& Chief Optimization Officer
kahle.williams@csireg.com

Alexandra Schneider
Sr VP of Client Success
alexandra.schneider@csireg.com

Jeff Jones
Chief Technology Officer

Mike Blazejewski
Sr. VP, Onsite Operations
mike.blazejewski@csireg.com

David Yearwood
VP, Field Systems Administration
david.yearwood@csireg.com

Chris Hurst
VP, IT Operations
chris.hurst@csireg.com

AUA

I want to thank the CSI team for the excellent job done onsite. Registration was executed flawlessly in the square and at all satellite areas as well. There is no way we could have been this successful without your partnership.

Daniel Tadesse, PMP, CAE
Manager / American Urological Association

ENA

The continued partnership with CompuSystems (CSI) provided the support and resources needed to allow our team to accomplish the transition from an in-person meeting to a virtual conference. The CSI team was wonderful in the development and execution of EN20X registration process and exceeded expectations across the board.

Phillip Ridley
Meetings Manager / Emergency Nurses Association

HIMSS

HIMSS has worked with CSI for several years and appreciates their continued quest to service our needs with cutting-edge solutions while providing outstanding customer service.

Karen Malone
Vice President of Meetings & Sales / HIMSS

AACR

CompuSystems has been a great partner for us. They are extremely responsive to our customer needs and are always introducing new technologies to improve our attendee experience. They have a terrific staff, especially our Account Manager, who makes managing a 22,000 person conference much less stressful.

Joe Pontoski
Senior Director, Finance and Business Administration Division / AACR

PMI

I wanted to take a moment to say THANK YOU for all of your work and going above and beyond. It feels really great to know that we are working with people that want what’s best for our programs, and want to be a part of that success. Your efforts are noticed and valued!

Jessica Dyrek
Product Specialist, Live Learning / Project Management Institute

Sellers Expositions

It is a relief to have confidence in a company maintaining such an important area of the show.

Warren Sellers
Sellers Expositions

Performance Racing Industry

THANK YOU, THANK YOU, THANK YOU…the CSI Team seriously rocks! I can’t begin to tell you how much we appreciate all your extra efforts and long hours.

Karin Davidson
Trade Show Director / Performance Racing Industry

Printing United

CSI has allowed us to provide fast registration service to our attendees and exhibitors onsite while also offering a registration website catered to the various attendee profile types we have.

Lexy Olisko
Director of Conferences / Printing United

AUA

I want to thank the CSI team for the excellent job done onsite. Registration was executed flawlessly in the square and at all satellite areas as well. There is no way we could have been this successful without your partnership.

Daniel Tadesse, PMP, CAE
Manager / American Urological Association

ENA

The continued partnership with CompuSystems (CSI) provided the support and resources needed to allow our team to accomplish the transition from an in-person meeting to a virtual conference. The CSI team was wonderful in the development and execution of EN20X registration process and exceeded expectations across the board.

Phillip Ridley
Meetings Manager / Emergency Nurses Association

HIMSS

HIMSS has worked with CSI for several years and appreciates their continued quest to service our needs with cutting-edge solutions while providing outstanding customer service.

Karen Malone
Vice President of Meetings & Sales / HIMSS

AACR

CompuSystems has been a great partner for us. They are extremely responsive to our customer needs and are always introducing new technologies to improve our attendee experience. They have a terrific staff, especially our Account Manager, who makes managing a 22,000 person conference much less stressful.

Joe Pontoski
Senior Director, Finance and Business Administration Division / AACR

PMI

I wanted to take a moment to say THANK YOU for all of your work and going above and beyond. It feels really great to know that we are working with people that want what’s best for our programs, and want to be a part of that success. Your efforts are noticed and valued!

Jessica Dyrek
Product Specialist, Live Learning / Project Management Institute

Sellers Expositions

It is a relief to have confidence in a company maintaining such an important area of the show.

Warren Sellers
Sellers Expositions

Performance Racing Industry

THANK YOU, THANK YOU, THANK YOU…the CSI Team seriously rocks! I can’t begin to tell you how much we appreciate all your extra efforts and long hours.

Karin Davidson
Trade Show Director / Performance Racing Industry

Printing United

CSI has allowed us to provide fast registration service to our attendees and exhibitors onsite while also offering a registration website catered to the various attendee profile types we have.

Lexy Olisko
Director of Conferences / Printing United

©2026 Event Citadel. All rights reserved. Event Citadel, CompuLEAD, and Expo Wallet are registered trademarks of Event Citadel.

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