Fernando Pérez is a research scientist at UC Berkeley, working at the intersection of brain imaging and open tools for scientific computing. He created IPython while a PhD student in Physics at the University of Colorado in Boulder. Today, with all the hard work done by a talented team, he continues to lead IPython's development as the interface between the humans at the keyboard and the bits in the machine. He is a founding member of NumFOCUS, a PSF member, and received the 2012 FSF Award for the Advancement of Free Software for IPython and contributions to scientific Python.