Hirons, an Indianapolis-based advertising and public relations firm, has added Robert Hickson and Olivia Crum as digital media coordinators. They will be responsible for developing and managing integrated digital campaigns. Hickson graduated from Butler University with a degree in marketing and entrepreneurship. He creates digital marketing campaigns and manages content on social media platforms. Crum, who also graduated from Butler University, majored in strategic communications with a minor in digital media production. As an intern with the firm, she gained experience in website user experience and graphic design.