Seadna has held a number of previous roles in TUS including Head of Department of Lifelong Learning, Lecturer in the Department of Business and Management and Lecturer in the Department of Lifelong Learning.
Prior to joining academia, he served in the Irish Defence Forces in a variety of leadership roles in home and international deployments.
His academic specialities include strategic management and implementation, teaching and learning, academic quality assurance, programme design, lifelong learning, community and rural development and industry engagement. Seadna completed his Bachelor of Commerce and Master of Business Administration degrees at University College Galway.