Jen Shaffer, a professional genealogist and owner of The Formidable Genealogist, offers a variety of genealogy classes that guide participants from beginner to advanced levels. Her online classes cover essential research skills, such as exploring family histories, using advanced tools beyond major platforms like MyHeritage and Ancestry, and applying professional research techniques through case studies. Through her courses, Jen equips students with the expertise needed to delve into complex genealogical puzzles and explore their roots with confidence.