Zions Bancorp.

On July 15, Zions Bancorp. cut the ribbon on a 400,000-square-feet technology center in Midvale, Utah. The center lets the Salt Lake City-based bank's 2,290 tech employees, from cybersecurity experts to application engineers, work from one space instead of 12 buildings scattered across Utah.

Olga Hoff's proudest accomplishment in the past year? She created a small-business diversity banking program at Zions.

As the industry manages high turnover, more companies are expressing dissatisfaction. Among firms that switch to a new bank, the previous bank's lack of knowledge about their business is an increasingly common reason, according to a recent survey.

Kristiane Koontz at Zions and Neal Shah at Regions explained how they are coping with the many challenges of rebuilding the technology foundations of their banks at American Banker's Digital Banking Conference.