CHARLOTTE, NC -- The Biesse Group's Diamut, a producer of high-tech diamond tooling used for manufacturing stone, has announced the addition of Kerry Clark as sales manager for the U.S. and Canada. Clark brings a strong management and technical tooling background, as well as over 20 years of extensive experience on tooling applications. His duties include developing a strong dealer network, providing support and product training, setting budgets, managing inventory levels, supporting marketing efforts to improve the Diamut brand communication and assuring customer satisfaction and loyalty in North America.