Sente Inc., a privately held specialty aesthetics company pioneering the development of differentiated medical grade skin care products based on the science of glycoproteins, announced the appointment of Randy W. Kriech as chief commercial officer. In his new role, Kriech will be responsible for leading global marketing, commercial operations and portfolio management. Kreich will report to Michael York, chief executive officer, and will be a key member of the Sente, Inc. executive management team.