Hannah Castellanos

Email Marketing & Campaign Design


This collection highlights email designs I’ve crafted for campaigns across science, engineering, and advanced technology. My approach blends thoughtful copy, clean design, and user-first structure to ensure every email is easy to scan, easy to understand, and hard to ignore.

Battery Slurry Email Campaign


A targeted email campaign addressing slurry instability challenges and drove engagement by highlighting how our HR rheometer helps prevent sedimentation and improve coating uniformity.