Petsmart

(PETM)

named Thomas S. Liston interim executive vice president and chief financial officer Friday, replacing Neil T. Watanabe.

Watanabe, who will continue with the company for the next several weeks, resigned to pursue other career opportunities and to spend more time with his family.

Liston most recently worked as vice president of finance, secretary and treasurer with

Little Switzerland

TST Recommends

(LSVI)

, a specialty retailer.

Petsmart, which is based in Phoenix, operates more than 540 pet supplies stores.

Shares of Petsmart remained unchanged at $3.81 in recent

Nasdaq

trading.