Catherine Gruszewski
Sales Development Representative at Mark43 | Greater Milwaukee, United States
Catherine Gruszewski’s Email & Phone Number
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Catherine Gruszewski serves as a Sales Development Representative at Mark43, focusing on promoting an integrated public safety ecosystem that combines records management, computer-aided dispatch, and analytics for government agencies. Based in the Greater Milwaukee area, she leverages her University of Wisconsin-Milwaukee education to support outreach within the computer software industry. Her professional background centers on connecting municipalities and law enforcement with AI-enhanced, cybersecurity-focused tools designed to streamline first responder workflows and improve community safety outcomes.
BEST APPROACH TO REACH Catherine Gruszewski
Contact her through her personal email or direct phone line by outlining your agency’s current dispatch and records management pain points and requesting a brief discovery call to evaluate how Mark43’s unified platform can integrate with your existing public safety infrastructure.
Sales Development Representative at Mark43 in October 2021 - Present
Inside Sales Representative-Remote at Penta Technologies, Inc. in February 2021 - September 2021
Account Manager-Remote at Omnigo in January 2020 - January 2021
University of Wisconsin-Milwaukee, BA
Marquette University, Pre-Business
Mark43 brings modern technology to enhance public safety, making state, local and federal agencies faster, smarter, and their communities safer. Our integrated Records Management System, Computer-Aided Dispatch, and Data Analytics form the backbone of a unified, real-time public safety operating platform to streamline workflows, improve response times, and foster collaboration. Trusted by over 290 agencies, Mark43 increases effectiveness and efficiency amid rising demands and limited resources. By supporting first responders with innovative tools, AI technology, and a strong cybersecurity foundation, Mark43 equips public safety agencies to address the challenges of today and tomorrow. Visit www.mark43.com for more information or to request a demo.
Discover more about Mark43
Proposal Writer at Mark43
Proposal Writer at Mark43
(April 2025 – Present)
Senior Director of Growth Marketing
Senior Director of Growth Marketing at Mark43
(Oct 2025 – Present)
Servant/Transformational Leader with Exceptional Team Building and Project Management Skills
Product Consultant, RMS at Mark43
(Sep 2024 – Present)
SWE | Full Stack | Developing with React, Java, AWS, Vercel, NextJS | Building Scalable, High-Performance, AI Driven Systems
• Architect and deliver robust Jail Management Systems (frontends and backend APIs), using React, TypeScript, Java 17, GraphQL, and MySQL to enable secure and federally compliant workflows for UK and US based jails
Mark43
Sales Director - East SLED at Mark43
(Jul 2022 – Present)
Sales Development Representative at Mark43 | The Leading Cloud-Native Public Safety Platform
Mark43 is the leading cloud-native public safety technology company, delivering an open, end-to-end, integrated software solution that empowers agencies to leverage best-in-class Records Management System (RMS), Computer Aided Dispatch (CAD) and Analytics to work faster and sm...
What is Catherine Gruszewski email address?
Email Catherine Gruszewski at [email protected], [email protected] and [email protected]. This email is the most updated Catherine Gruszewski's email found in 2026.
What is Catherine Gruszewski phone number?
Catherine Gruszewski phone number is 414-916-5356.
How to contact Catherine Gruszewski?
To contact Catherine Gruszewski send an email to [email protected], [email protected] or [email protected]. If you want to call Catherine Gruszewski try calling on 414-916-5356.
What company does Catherine Gruszewski work for?
Catherine Gruszewski works for Mark43.
What is Catherine Gruszewski's role at Mark43?
Catherine Gruszewski is Sales Development Representative
