Zehnder Communications has promoted Niva Buniff to senior account executive. In her new post at the New Orleans shop, Buniff will direct and coordinate the agency’s day-to-day efforts on behalf of her clients’ products and services. Since joining the shop three years ago, she has worked with accounts such as Popeyes Chicken & Biscuits, Hilton New Orleans Riverside, Stirling Properties and Crescent City Brewhouse. Zehnder has also added Katelyn Lundin as a media coordinator. A graduate of Louisiana State University, Lundin most recently worked as a media-buying intern at Diane Allen & Associates in Baton Rouge, La.