TSO3 Inc. has appointed Harold R. Tessman to the new position of chief operating officer. Tessman brings more than 30 years of operational experience at industrial, consumer products and service organizations. His responsibilities will include the expansion of its manufacturing workforce to meet the increasing demand for its revolutionary STERIZONE® VP4 Sterilizer.

Prior to joining TSO3, Tessman served as managing director and senior consultant for 10 years with TBM Consulting Group.