Mary Mueller has 34 years of experience in IT, having worked as a computer programmer, software developer, database administrator, project lead, and analyst. After retiring, Mary began volunteering at Oasis, driven by her passion for helping seniors master technology. Teaching Windows, Google, and Android classes, as well as assisting with various other courses, allows her to stay current with the latest advancements in tech. Mary finds joy in both sharing her knowledge and continuously learning something new.