David Allen has been named vice president and resident manager of the Salt Lake office of Prudential Securities Inc. He was formerly a vice president and branch manager of Smith Barney Shearson. James Rowe has been named vice president and cash management officer for First Interstate Bank of Utah. He formerly opened and managed Standard & Poors' central U.S. office in Dallas. Tom Ajax has been named assistant vice president/manager of the West Valley office of Zions First National Bank. He has worked in banking 15 years. Matthew Guiste has been appointed commercial loan officer in the commercial leasing department of Zions Bank. He has worked for the bank two years. Terrell York has been named vice president and commercial loan manager at Zions Bank's headquarters. He was formerly employed by Bank One Utah. Connie Kalm has been named administrative assistant in the retail products administration department of Zions Bank. She has worked in banking 30 years.