A planner is a person who is responsible for organizing and managing events, projects, and activities. A master planner is someone who is highly skilled in planning and strategizing, while a FOUNDER is someone who starts or establishes something. An ENGINEER is someone who designs and builds complex systems, while an ARRANGER is someone who organizes and coordinates the details of an EVENT or activity. A designer is someone who creates and develops plans for products, services, or systems, while an ARCHITECT is someone who designs and plans buildings and other structures. A SCHEMER is someone who plans and devises schemes or strategies, while an organizer is someone who plans and coordinates activities and resources. A strategist is someone who formulates plans and strategies to achieve goals, while an ORGANISER is someone who plans and coordinates activities and resources. Finally, an EVENT is a planned occasion or activity.