Age: 61
Occupation: Speaker of the House
Previous TIME 100 appearances: 0
He may have a penchant for crying in public, but the Ohio Republican, who became Speaker of the House last November, has had no qualms about attacking Obama and the Democrats on issues ranging from health care reform to cap and trade. A staunch conservative, he is now leading the GOP push for government reform, including the first-ever House ban on earmarks.