Our Team

Rafal Karkoszka


Highlander Improvement Company's CEO, Rafal Karkoszka, brings years of home improvement and business experience to the team. In his role as CEO, Rafal oversees the operations of Highlander Improvement Company, one of the top home improvement companies in Illinois. Under his leadership, Highlander Improvement has thrived.

Karina Hernandez

Client Consultant

Karina joined the Highlander Improvement Company in 2014. She quickly became instrumental in building and improving client relationships. Karina will make sure you get quick and friendly service on your next project.

Matt Gierczak

Client Consultant

Matt is an experienced client consultant. He brings years of experience working with clients on various construction projects, including roofing, windows, doors, gutters & more. Matt will help you to get an unbelievable value on your next construction project.

Robert Dytko

Client Consultant

A results driven, committed and articulate sales representative with more than 9 years of experience, excellent communication skills and a high level of customer commitment. Possessing a good team spirit, deadline orientated and having the ability to succeed in a demanding sales environment.

Nic Maranell

Client Consultant

Nic brings years of experience working in real estate and construction with clients on various projects, including whole home remodels, roofing, windows, doors, gutters & more. Nic prides himself in always being available for his clients and will work hard to make sure your next project is done right and to your standards.

Grigori Puja

Client Consultant

An energetic, ambitious and enthusiastic professional who has years of experience in construction industry. Always willing to go the extra mile to meet all customers' needs.

Grant Cartnal

Client Consultant

I am an experienced client consultant with experience in the roofing industry. As former U.S. Army veteran, I will strive to bring the same dedication and attention to detail to my clients as I did while in service to this country. A team player with a strong work ethic, I will provide clients with professional service for the duration of the homeowners improvement project.

Kevin Krolikowski

Client Consultant

Kevin is always willing to do whatever it takes to make the customer happy. He's here to make sure the job is done right. Kevin has over 3 years of experience and vast knowledge of the industry.

Owens CorningBetter Business BureauNational Roofing Contractors AssociationNational Association of The Remodeling IndustryRoyal Building ProductsShieldPRO plus+Northern Illinois Home Builders AssociationEPA Lead-Safe Certified FirmTamkoVeluxPly GemIKO