David Boyle out of Davio's

David Boyle of Davio's cuts up while dishing penne with Bolognese at Taste of the Nation on April 28.

Restaurants typically have revolving doors on their kitchens, turning over chefs seemingly with the calendar.

Davio's, the Northern Italian steakhouse at 17th and Chestnut Streets, is interviewing for its third executive chef in its 13 years to replace David Boyle, who has left after 10½ years.