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Hi! I'm Mike Aparicio, a Chicago-based web developer interested in helping companies large and small improve collaboration between design and engineering through the use of design systems.


  1. Extreme Makeover Homepage Edition

    I am the Ty Pennington of Lighthouse scores.

  2. Cool CSS

    Turning my CSS methodology into the last framework I'll (hopefully) ever have to build.

  3. 2020

    Well, that sucked.

More Posts


I have over 25 years experience making websites for individual entrepreneurs to large companies and everything in between. I'm currently the Senior Design Systems Engineer at Provi.

Read more about the work I've done at Groupon, The American Association of Oral and Maxillofacial Surgeons and elsewhere.


Mike giving a talk on responsive design.

I spoke with Dan Mall at Superfriendly on Get It Out of Your System about how communication is one of the biggest challenges in establishing a design system.

On the Command Z Podcast, I talked to Layshi Curbelo about how design systems help improve collaboration between designers and engineers.

At University of Illinois' 2019 WebCon, I gave a talk called Lessons From the Coupon Factory, where I shared the evolution of Groupon's design system.