I'm a software developer (currently focused on Python), living in Australia (currently focused on Sydney).
I am an on-again/off-again moderator of Skeptics.SE. (I was Pro Tem Moderator, I handed in my diamond when the first elections were held, and then ran in the second elections about a year later.)
Meta Stack Overflow
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Photography
Q&A for professional, enthusiast and amateur photographers
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
The Workplace
Q&A for members of the workforce navigating the professional setting
Programmers
Q&A for professional programmers interested in conceptual questions about software development
Area 51
Stack Exchange Network staging zone, where users come together to build new Q&A sites
Stack Apps
Q&A for apps, scripts, and development with the Stack Exchange API
Physics
Q&A for active researchers, academics and students of physics
Server Fault
Q&A for professional system and network administrators
Cross Validated
Q&A for statisticians, data analysts, data miners and data visualization experts
Personal Finance & Money
Q&A for people who want to be financially literate
Bicycles
Q&A for people who build and repair bicycles, people who train cycling, or commute on bicycles
Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
User Experience
Q&A for user experience researchers and experts
Mathematics
Q&A for people studying math at any level and professionals in related fields
Poker
Q&A for serious players and enthusiasts of poker
Database Administrators
Q&A for database professionals who wish to improve their database skills and learn from others in the community
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
Mi Yodeya
Q&A for those who base their lives on Jewish law and tradition and anyone interested in learning more
Theoretical Computer Science
Q&A for theoretical computer scientists and researchers in related fields
Android Enthusiasts
Q&A for enthusiasts and power users of the Android operating system
Chinese Language & Usage
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Chinese language
Christianity
Q&A for committed Christians, experts in Christianity and those interested in learning more