David was previously full professor at the ENSEA in Cergy-Pontoise, France, from 2001 to 2017. He is a senior member of the IEEE, and a widely renowned expert in the area of LDPC code and decoder design. He published more than 150 papers in the area, and holds 8 patents. Several of his contributions towards LDPC code and decoder design have been employed by industry as well as adopted in several standards. He is especially recognized for his pioneering works on non-binary LDPC code and decoder designs.