Dr. Joseph Schoenhals has been named medical director of Premier Medical Network, a preferred provider organization. He also is medical director of the respiratory therapy and pulmonary division at Holy Cross Hospital. Gregory Silva was promoted to vice president at United Savings Bank. A bank employee since 1977, he was formerly an assistant vice president. Janet Reeve has joined Seven Peaks Resort to operate its Salt Lake office. She was formerly marketing director of Raging Waters. Paul Grubb was promoted to custom sales manager and assistant division manager of Young Electric Sign Co.'s Salt Lake division. He has worked at the company since 1971 and was named an assistant manager in 1984. Agnes Nalecz-Mrozowska has joined Cellular One as an activation specialist. She was formerly a sales consultant for Wein-stocks and is attending the University of Utah. Jo Miller has been named assistant vice president of operations at Zions First National Bank. She has worked in the banking industry 13 years, the last 10 with Zions Bank.