Along with handset forecasts, Chamberlain covers mobile devices such as smartphones, the iPhone and connected devices used for navigation, video, financial transactions, messaging and other specialized services. He also contributes research and analysis on mobile consumer applications including mobile advertising, mobile video and dual-mode cellular/Wi-Fi services.

A member of the wireless data industry since 1993, Mr. Chamberlain’s industry background includes consulting assignments with Clearnet (Canada) and Ameritech's launch of CDPD. He has had hands-on contact with equipment, network operations, sales and customer care functions at wireless carriers.

Chamberlain is a popular speaker and is often requested for his lively presentations and insightful viewpoints. He is also called on to moderates panel discussions on a variety of topics. He is well known for his analyst viewpoints on mobile video, Wi-Fi, smartphones and 3G in mainstream media such as the Fox News, the Associated Press, Forbes and USA Today as well as numerous industry publications.

Chamberlain earned degrees in Telecommunications from Michigan State University and Automotive Technology from Ferris State University.