I live in Portland, Oregon and work at Helium.
You can find my projects on Github.
I've been playing around with amateur (ham) hadio. My callsign is W7PCH. My handheld and car radios sometimes broadcast my position on APRS, often when I am traveling or hiking. I've also been working on reverse engineering and creating an alternative firmware for the Tytera MD380 DMR radio. I primarily use the DMR User ID 3141020, and have a secondary ID 3141022 which I use for experimenting.
Some of my work was featured on 60 Minutes in February 2015.
I studied Electrical Engineering at Rutgers University in New Brunswick, NJ. Some work from my time there: