Stacii Jae Johnson, entertainment and special events director in the office of Atlanta Mayor Kasim Reed, has resigned days after she was arrested for driving under the influence on I-85.

Johnson was arrested late Thursday night and charged with DUI, reckless driving, speeding and failure to maintain her lane after an Atlanta police officer saw her driving a white Porsche at 82 mph in a 55 mile zone near the I-75/I-85 split. She refused to submit to a field sobriety test, according to a police report obtained by The Atlanta Journal-Constitution.

Johnson, 41, has worked as a political fundraiser and managed a small staff of about six people in the special events office. That office is responsible for overseeing the permitting process for outdoor festivals and large events such as movie shoots.