This resource focuses on Needs Analysis in English for Specific Purposes (ESP) curriculum design, specifically aimed at higher education professionals. It begins by underscoring the importance of a comprehensive Needs Analysis, likened to a medical check-up, identifying learner requirements to ensure that the course content aligns with the actual skills needed in professional contexts. The document provides insight into common pitfalls of curriculum failure due to mismatched learning outcomes, and emphasizes the central role of learner requirements in designing effective ESP programs. It covers core methodologies for conducting a Needs Analysis, including surveys, interviews, task observations, and document analysis, advocating for systematic data collection to establish validity in curriculum design. The guide also lays out how to translate gathered data into actionable learning objectives, ensuring that language skills taught are relevant to high-stakes professional scenarios. Engaging check-for-understanding sections encourage further reflection and discussion about the processes involved in effective ESP curriculum design.