Adrian Kuleszo publishes under the UI Adrian brand — focused on Figma mastery and the broader UI-design craft for product designers building real working proficiency rather than hobbyist competence.
His CourseFlix listing carries two UI Adrian courses: Figma Mastery — The Ultimate Figma Course for New & Experienced Designers and The Design Manual — The Only Guide You Need to Master UI Design. Together the courses cover both the tool craft (Figma at depth) and the visual / UI design discipline.
Material is paid and aimed at product designers building production proficiency with Figma and modern UI design. For broader content, see CourseFlix's Figma and UI/UX Design category pages.