Product designer and eternal optimist. Married to @Kmdleavens. Formerly @Yammer & @Cotap. I live in San Francisco, and tweet using @StephanCastro.


iOS & OSX App Ecosystem

Cotap
Cotap iOS

Android & Wear App Ecosystem

Cotap
Cotap Android

Administration Panel

Cotap
Cotap Admin Panel

Desktop Notifier

Yammer
Yammer Notifier

Apparel Design

Columbia Sportswear
Columbia Sportswear

Print, Web, & Interactive Design

Cyclocross Magazine
Cyclocross Magazine