I’m everywhere. Egad, it’s like kudzu or Kanye West. Here are the various places where I make myself known on the internet.
My professional blog about the business of technical writing is called Heroic Technical Writing.
Science Cheerleader, where I post as “Gopher” because my first event job for the SciCheers was as a “go-fer” and bodyguard (thus the machine gun): http://www.sciencecheerleader.com/about-us/about-bart/
I’m a member of ScribbleSpace, a coworking space in Windermere, FL: http://scribblespace.spaces.nexudus.com/en/directory/profile/25354057/bart-leahy
I also support the following organizations as a freelancer in varying capacities:
The Tauri Group
The Space Frontier Foundation
The National Space Society Book Review Page