GBA
Isabella Haefele is a seasoned marketing professional with extensive experience in proposal management and marketing coordination. Currently serving as a Senior Marketing Specialist at GBA since January 2023, Isabella previously held multiple roles at Vaughn Construction from July 2017 to January 2023, including Proposal Manager, where responsibilities encompassed overseeing proposal activities across various offices, ensuring compliance with RFQ/P requirements, and managing a proposal team. Previous positions also include Senior Marketing Coordinator and Marketing Coordinator at Vaughn Construction, as well as Communications Specialist at the OSU Department of Theatre, and Social Media Intern at Edmon Low Library. Isabella holds a Bachelor’s Degree in Public Relations, Advertising, and Applied Communication from Oklahoma State University, earned between 2013 and 2016.