Dan Romanchik is a writer and website developer located in Ann Arbor, MI. He is currently employed by Amateur Radio Digital Communications as their Communications Manager.

He is also well-known as an amateur radio operator, call sign KB6NU, and has written several books on amateur radio, including:

- The No-Nonsense Technician Class Amateur Radio License Study Guide
- The No-Nonsense General Class Amateur Radio License Study Guide
- The No-Nonsense Extra Class Amateur Radio License Study Guide
- The CW Geek's Guide to Having Fun with Morse Code
- 21 Things to Do After You Get Your Amateur Radio License
- Having Fun with Ham Radio: Letting My Inner Geek Out