Vista CFO Warnken-Brill to Leave as Nasdaq’s Dillard Takes Over

Vista Equity Partners Chief Financial Officer John Warnken-Brill is leaving the private equity firm after more than 15 years.

He is retiring and will be succeeded by Lauren Dillard, Vista said in a statement Tuesday. Dillard, 46, was most recently executive vice president of investment intelligence at Nasdaq Inc. and starts on April 11.

Warnken-Brill, 62, was considered as a possible witness in the competency hearing for the largest U.S. tax-evasion case ever against an individual. The caseinvolved billionaire Robert Brockman, a former Houston software executive accused of evading taxes on $2 billion in income, most ...