A Data Scientist is a professional who uses statistical, mathematical, and computational techniques to analyze, interpret, and generate key insights and signals from data. -------- A Data Scientist is a practitioner who has sufficient knowledge in the overlapping regimes of expertise in business needs, domain knowledge, analytical skills, and programming and systems engineering expertise to manage the end-to-end scientific method process through each stage in the big data lifecycle, till the delivery of an expected scientific and business value to science or industry. [NIST SP1500-1] NOTE: Data Scientists are skilled in data wrangling, visualization, machine learning, and domain expertise to solve business problems, make predictions, and support decision-making. Data Scientists work across disciplines, bridging technical and business functions, to transform raw data into actionable knowledge.