D

rumroll, please! The biggest HR move of the year goes to…Kristin Cabot, who stepped down from her role as the CPO of Astronomer after the kiss cam at a Coldplay concert broadcast her relationship with CEO Andy Byron to Gillette Stadium—and th

e world.While most other HR moves didn’t make quite as big of a splash this year, there are still a number of runners up worth

mentioning.By the numbers. But first, some context. There were 59 CHRO appointments at S&P 500 companies from Q1 to Q3 2025, according to a report from executive search firm Russell Reynolds. That’s the highest