Recruiter screen followed by series of case and behavioral (PEI) interviews. Cases are hypothetical client problems where you are asked to create a structure to break down the problem and then analyze data, graph, numbers, often requiring mental math to generate hypotheses and develop a recommendation.

In depth casing with multiple people over the course a few rounds. Masterthecase.com is good prep or the book by Victor Chang. There's also a personal aspect called the PEI interview that is very time in depth.

The first round interview included both a behavioral question and a case. The final round interviews involved three interviews, all three with both behavioral and case. The interviewers tended to be really nice.