Arnold Kim
Arnold was also a practicing physician but gave it up in 2008 to focus on this website. He has been writing about Apple for over 20 years, and has been profiled by the New York Times, and interviewed by various news publications about his knowledge of Apple.
He continues to run MacRumors, and provides editorial oversight as well as business direction.
Arnold Kim's Articles

Apple's New iPhone 5 Has 1GB of RAM

Apple A6 Processor is a Custom Apple Design, Prioritizing Performance and Power Efficiency

iPhone 5 Now Available for Pre-Order

Apple and AT&T Websites Get Ready for iPhone 5 Pre-Orders

iPhone 5 Photos and Hands on Impressions

Apple Releases iOS 6 Golden Master to Developers

Apple Announces 4-Inch iPod Touch, Multitouch iPod Nano

Apple Announces New Dock Connector Called 'Lightning'

Apple Seeds Near Final OS X 10.8.2 Developer Seed Ahead of Media Event

Apple September 12th Media Event Spoiler Free Video Stream [Update: Posted]

Google Launches Native YouTube App for iPhone

iPad, iPad Mini, and iPhone 5 Cases Compared to an iPhone 4S

Apple's Yerba Buena Decoration Shows Stretched iOS Icons, Possibly Hinting at Taller iPhone 5

NVIDIA Announces Quadro K5000 Professional GPU for Mac Pro

The iPhone 5 Roundup and a New Feature on MacRumors

Additional Confirmation that Taller iPhone 5 'Leaks Accurate'

TouchArcade Launches a Universal Update for its iOS Game Review and Discovery App

Hackers Release 1 Million iOS Device UDIDs Obtained from FBI Laptop

Hands On with a Physical Mockup of the iPhone 5
