Blair Mannix joined the Wharton School's admission team in 2012 and became director of MBA admissions in 2018. In the last couple of years, she's overseen two straight years of gender parity in Wharton's MBA classes and a 15-point increase in average GMAT scores in the last decade. Meanwhile, applications declined 13.9% since last cycle, a trend experienced at almost every top business school this year.