Moshi moshi!
Freshman CS undergrad. Knows Java, Python, and a little C.
Used to be obsessed with rep; now not so much. I'm more active on the Arqade site, and have recently gone into Physics.SE and other sites.
Mathematics
Q&A for people studying math at any level and professionals in related fields
Meta Stack Overflow
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Game Development
Q&A for professional and independent game developers
User Experience
Q&A for user experience researchers and experts
Physics
Q&A for active researchers, academics and students of physics
Role-playing Games
Q&A for gamemasters and players of tabletop, paper-and-pencil role-playing games
Area 51
Stack Exchange Network staging zone, where users come together to build new Q&A sites
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
Stack Overflow
Q&A for professional and enthusiast programmers
The Workplace
Q&A for members of the workforce navigating the professional setting
The Great Outdoors
Q&A for people who love outdoor activities, excursions, and outdoorsmanship
Programmers
Q&A for professional programmers interested in conceptual questions about software development
Japanese Language & Usage
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Japanese language
Bicycles
Q&A for people who build and repair bicycles, people who train cycling, or commute on bicycles
Philosophy
Q&A for those interested in logical reasoning
Chinese Language & Usage
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Chinese language
Cross Validated
Q&A for statisticians, data analysts, data miners and data visualization experts
Raspberry Pi
Q&A for users and developers of hardware and software for Raspberry Pi
Answers OnStartups
Q&A for entrepreneurs looking to start or run a new business
Computer Science
Q&A for students, researchers and practitioners of computer science
Server Fault
Q&A for professional system and network administrators