Samuel P. Geisberg was an engineer, entrepreneur, and software developer who founded Parametric Technology Corporation (PTC), now known as PTC Inc., in 1985. Born in the Soviet Union, Geisberg emigrated to the United States in 1974.
Samuel P. Geisberg was an engineer, entrepreneur, and software developer who founded Parametric Technology Corporation (PTC), now known as PTC Inc., in 1985. Born in the Soviet Union, Geisberg emigrated to the United States in 1974.