The process took 1 day. I interviewed at ZS Associates in Feb 2012
Interview
Got interview from job fair. Consisted of two separate interviews with two different people. The first interview was a case interview and the second was a generic behavioral interview.
The process took 3 weeks. I interviewed at ZS Associates in Oct 2011
Interview
Applied through campus. 1st round interview consisted of one typical behavioral and one case. The case interview related to the pharmaceutical industry and was more of an interview-led Q&A. Interviewer read a prompt, stated some data, then asked questions. More data was given and more questions asked.
Interview questions [1]
Question 1
How should we assign these sales reps across the U.S?
The process took 6 weeks. I interviewed at ZS Associates (New York, NY) in Nov 2011
Interview
Phone interview with a 30 minute behavioral portion and 30 minute case study, which was about sales force sizing. Invited to 2nd round interview in NYC which was a full day of interviews, including a written case study (given 45 minutes to work out the case study and then 45 minutes to explain it to a consultant), 2 behavioral interviews, lunch, and 1 interview where you are asked basic questions about a presentation.