Tiana Theodosis

Tiana Theodosis is a seasoned finance executive currently serving as Vice President of Finance and Business Operations for Mission Solutions and Technologies at Sierra Nevada Corporation since August 2023. Previously, Tiana held the role of Sr. Director of Finance and Compliance at Health Net Federal Services from September 2018 to August 2023, where responsibilities included transforming finance and compliance functions to support the DoD TRICARE program. Tiana also served as Sr. Manager of Regulatory Accounting at Aerojet Rocketdyne from November 2015 to September 2018, leading regulatory accounting efforts and enhancing financial performance. Earlier experience includes various positions at Sierra Nevada Corporation, including Corporate Director of BA Finance and Corporate Finance Manager, where significant achievements included restructuring financial processes for efficiency. Tiana holds a Master of Science in Economics and a Bachelor of Science in Business Administration with a Finance major from the University of Nevada, Reno, alongside an Associate of Science in Pre-Engineering from Truckee Meadows Community College.