CARY, N.C. — HumanCentric, a provider of product development services with a focus on the human side, is adding three people to its staff.

The new hires are Daniel Hamilton, Lee Carroll and Brian Chiarizia. Hamilton will serve as creative director. Carroll is an interactive designer. Chiarizia is an industrial designer.

HumanCentric clients include Motorola, Nitrox, Parata and Bank of America.