Paul Song is the Chief Executive Officer and Vice Chairman of NKGen Biotech. Previously, he served as Chief Medical Officer of NKMAX, a public Korean biotech company that specializes in the development and manufacture of antibodies and proteins. He co-founded and served as Chief Executive Officer and director of Fuse Biotherapeutics, a private immune modulating therapeutics company. He has served as a director of PeproMeme Bio, a private CAR-T company. He is currently on the advisory board of the Pritzker School of Molecular Engineering at the University of Chicago and a director of Mercy Corps and Gideon’s Promise.

Song graduated with honors from the University of Chicago and received his M.D. degree from George Washington University. He completed his residency in radiation oncology at the University of Chicago where he served as Chief Resident and did a brachytherapy fellowship at the Institute Gustave Roussy in France. He was also awarded an ASTRO research fellowship in 1995 for his research in radiation inducible gene therapy.