Tissue Engineers combine principles of engineering, biology, and materials science to create biological substitutes that support tissue repair and regeneration. Their work includes designing scaffolds, culturing cells, developing biomaterials, and studying cell–material interactions to promote tissue growth. They use laboratory techniques, bioreactors, imaging tools, and computational models to evaluate tissue function and viability. Tissue Engineers work in research laboratories, biotechnology companies, and regenerative medicine centers. Globally, demand is rising due to advances in regenerative medicine, increasing organ shortages, and growing investment in cell-based therapies and personalized medical treatments.