DECA is a global organization preparing high school and college students for careers in marketing, management, hospitality, and finance, with a membership surpassing 200,000. The organization has a rich history of development since the 1940s, evolving through several decades to adapt to student needs and industry changes, and it currently boasts a competitive events program to enhance student skills. DECA's structure includes local chapters, state associations, and a national level, with various leadership and competitive opportunities for its members.