Don Nance is a Senior Scientist in the Federal Programs group with Harris Miller Miller & Hanson Inc. (HMMH). He is a highly skilled engineer with a doctorate in aerospace engineering offering extensive research and development, modeling and simulation, and test and evaluation experience. He has a strong background in program management, acoustics, aeroacoustics, aerodynamics, multiple microphone signal processing, experimental data analysis and reduction, and preparation and presentation of technical documentation.