The board of directors of Sika AG, headquartered in Baar, Switzerland, has appointed William E. Loven to head Sika North America as regional manager and Sika Corp. USA as president and chief executive officer. In this position, Loven will also serve as a member of group management of Sika AG, Switzerland.

Since joining the industry division of Sika as senior vice president in 2000, Loven has reorganized the division and grown the business considerably. According to a company news release, he has been instrumental in bringing new technologies into the company's product range.

Enrico Tissi, who has held these positions for the last eight years, has elected to step down. He will continue to serve Sika as vice chairman of the board of directors of the U.S. subsidiary.