Dr. Raj Kumar has done Ph.D in Mathematics from SantLongowal Institute of Engineering and Technology, Longowal, Sangrur. His area of research is Geometric Function Theory (Complex Analysis) and the title of his doctoral thesis is "Convolution Properties of some Univalent Harmonic Functions". He is conscientious researcher and actively involved in research in collaboration with US Universities like Brigham Young University, Provo, Utah and Kent State University, Ohio etc. He has published his work in journals of international repute. He has more than 6 years of teaching experience. He is teaching various courses like Linear Algebra, Number Theory, Complex Analysis, Numerical Analysis, Engineering Mathematics to undergraduate and post graduate students. Currently, he is also guiding one Ph.D student in the area Univalent harmonic mappings.