Alexakos became an assistant professor in adolescent science education at Brooklyn College after working as subway train maintainer for almost eleven years and teaching science in a New York City public high school for seven. Raised in New York City, he attended CCNY where he majored in physics. He has received an M.A. in physics education from New York University and a Ph.D. in science education from Columbia University. His current interests and passions include research in science teacher identity, science teacher recruitment, support, preparation, and retention, gender and multicultural issues, equity in science, science education and science learning in urban settings.