Cassandra Aarssen, also known as "Cas" and the founder of Clutterbug, is a professional organizer and media personality. She has developed a unique organizing philosophy based on four distinct "Clutterbug" styles (bees, crickets, ladybugs, and butterflies), helping individuals discover their personalized approach to decluttering and organizing their homes. Aarssen shares her expertise through her HGTV show "Hot Mess House," a YouTube channel, a podcast, and best-selling books. Her mission is to empower people to overcome disorganization and clutter by providing systems that work for their individual needs and lifestyles.