In this interview, Bernard Sadoulet, Professor of the Graduate School at the University of California, Berkeley, discusses his time working in France as well as the study of dark matter. He discusses getting his Master’s degree in theoretical physics at the University of Paris in Orsay, and how this background was beneficial for his interest in experimental physics. Sadoulet speaks about his time working at CERN as part of the official committee managing the collaboration between Europe and the Soviet Union. He also details his work on the UA1 experiment while at CERN. He describes his role in the “Wise Men Committee,” and there task of producing a report about civil nuclear programs in France. Sadoulet discusses his time as a postdoc at Berkeley and his discovery of the Chi states. He speaks about his growing interest in dark matter in the 1980s and the interest he had in the possibility of building detectors to search for dark matter particles in the halo of our galaxy. He describes his collaborations with Blas Cabrera Navarro at the Center for Particle and Astrophysics. Lastly, he reflects upon how to meaningfully involve the public in science.