Development of products, both complex and apparently simple, most related in some way to putting some kind of stuff (particles, liquids, gases, mixtures) through some kind of pipe or hole (smaller than a hair to larger than a person). Comfortable with multiphysics and ill-defined problems. B.S. degree in mechanical engineering. Good enough to be dangerous in electronics and software. Specialties Products in crisis a specialty … not that _yours_ is in trouble..