From GA 400:
Exit Buckhead/Lenox Road, Exit #2, and turn right on Lenox Road, following the signs to Peachtree Road South. Turn right onto Peachtree. You will pass Lenox Mall and the Westin hotel on your left. We are the all glass building next to the Westin on your left. Park in any of the guest spots in the front or the public parking garage behind the building.