Welcome to KosterDesign, a design and creative consulting boutique that offers a full range of creative services. 


My name is Yana Koster, I am the founder and owner of KosterDesign. I am an independent professional with over 20 years of agency and freelance  design experience. I personally guarantee competitive prices, quality work, and quick turnaround on any project. 

At KosterDesign, we believe that a personal touch and simple human relationships are more valuable than anything else. We treat our clients as good neighbors, and we are always there to give a helping hand. 


Located in Glenview, IL, KosterDesign has happy clients in Illinois, New York, Florida, Hawaii, Texas, Australia and Brazil. 

Yana Koster

Yana Koster

Founder, Designer, Content Editor,

Project Manager

Founder, owner, project manager, consultant, coffee maker, and everything else at KosterDesign, I focus on UX/UI, web design, graphic design, and creative consulting.

A combination of twenty years of experience, network of developers and freelancers, competitive rates, perfectionism, technical background, and reliability guarantee a deadline-oriented high quality work.


A Team of Collaborators, a Company of Friends

When I need help, I turn to my close friends and fellow designers to get the job done quickly and professionally. They are seasoned professionals with good attitude and perfect sense of humor, loving to experiment and find new approaches, just like me.


Please meet my freelance helping hands and great people Vlad and Anna:

Vlad Kleiman

Vlad Kleiman

Freelance Designer

Anna Shifrina

Anna Shifrina

Freelance Animator, Photographer