Henry Calvin Johnson Jr. (born October 2, 1954) is an American lawyer and politician serving as the U.S. representative for Georgia's 4th congressional district since 2007. He is a member of the Democratic Party. The district is anchored in Atlanta's inner eastern suburbs, including the majority of DeKalb County—which encompasses Decatur, Lithonia, Stone Mountain, Dunwoody, Brookhaven, and Doraville—as well as parts of Gwinnett County, including Peachtree Corners, Lawrenceville, Duluth, and Norcross, along with a small portion of the city of Atlanta.