Roman started working as a programmer as a teenager when he was hired to hack Prolog at a Minsk artificial intelligence lab.
Roman was one of the first developers using Java to create web applications. Since 1991, Roman has been consulting for companies including Hewlett-Packard, EDS, GM, Ford, Chrysler, Fanuc Robotics, Comerica and Polk.
Stack Overflow
Q&A for professional and enthusiast programmers
Mi Yodeya
Q&A for those who base their lives on Jewish law and tradition and anyone interested in learning more
Area 51
Stack Exchange Network staging zone, where users come together to build new Q&A sites
Martial Arts
Q&A for students and teachers of all martial arts
Meta Stack Overflow
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Server Fault
Q&A for professional system and network administrators
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
Geographic Information Systems
Q&A for cartographers, geographers and GIS professionals
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
WordPress Answers
Q&A for WordPress developers and administrators
Theoretical Computer Science
Q&A for theoretical computer scientists and researchers in related fields
Electrical Engineering
Q&A for electronics and electrical engineering professionals, students, and enthusiasts
Bicycles
Q&A for people who build and repair bicycles, people who train cycling, or commute on bicycles
Database Administrators
Q&A for database professionals who wish to improve their database skills and learn from others in the community
Science Fiction & Fantasy
Q&A for science fiction and fantasy enthusiasts
Photography
Q&A for professional, enthusiast and amateur photographers
Cross Validated
Q&A for statisticians, data analysts, data miners and data visualization experts
Stack Apps
Q&A for apps, scripts, and development with the Stack Exchange API
Mathematics
Q&A for people studying math at any level and professionals in related fields
Programmers
Q&A for professional programmers interested in conceptual questions about software development
TeX - LaTeX
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Game Development
Q&A for professional and independent game developers
Ask Different
Q&A for power users of Apple hardware and software
Android Enthusiasts
Q&A for enthusiasts and power users of the Android operating system
English Language & Usage
Q&A for linguists, etymologists, and serious English language enthusiasts
Computer Science
Q&A for students, researchers and practitioners of computer science
Linguistics
Q&A for professional linguists and others with an interest in linguistic research and theory
Personal Productivity
Q&A for people wanting to improve their personal productivity
Motor Vehicle Maintenance & Repair
Q&A for mechanics and DIY enthusiast owners of cars, trucks, and motorcycles
Biology
Q&A for biology researchers, academics, and students
Computational Science
Q&A for scientists using computers to solve scientific problems
Ask Patents
Q&A for people interested in improving and participating in the patent system
Libraries & Information Science
Q&A for librarians and library professionals
The Workplace
Q&A for members of the workforce navigating the professional setting
Musical Practice & Performance
Q&A for musicians, students, and enthusiasts
The Great Outdoors
Q&A for people who love outdoor activities, excursions, and outdoorsmanship
Board & Card Games
Q&A for people who like playing board games, designing board games or modifying the rules of existing board games
Quantitative Finance
Q&A for finance professionals and academics
Programming Puzzles & Code Golf
Q&A for programming puzzle enthusiasts and code golfers
Homebrewing
Q&A for dedicated home brewers and serious enthusiasts
Answers OnStartups
Q&A for entrepreneurs looking to start or run a new business
Personal Finance & Money
Q&A for people who want to be financially literate
Graphic Design
Q&A for professional graphic designers and non-designers trying to do their own graphic design
Audio-Video Production
Q&A for engineers, producers, editors, and enthusiasts spanning the fields of audio, video, and media creation
Cryptography
Q&A for software developers, mathematicians and others interested in cryptography
Cognitive Sciences
Q&A for practitioners, researchers, and students in cognitive science, psychology, neuroscience, and psychiatry
Signal Processing
Q&A for practitioners of the art and science of signal, image and video processing
Physical Fitness
Q&A for physical fitness professionals, athletes, trainers, and those providing health-related needs
Parenting
Q&A for parents, grandparents, nannies and others with a parenting role
Software Quality Assurance & Testing
Q&A for software quality control experts, automation engineers, and software testers
Writers
Q&A for authors, editors, reviewers, professional writers, and aspiring writers
