I applied through college or university and the process took 2 weeks - interviewed at ZS Associates in February 2014.
Interview Details – Very straight forward. It is split into two 30 minute interviews. The first is very behavioral (tell me about a time when...) and questions like Why ZS? The second portion is a case interview. The case is just a packet they hand you and say "go". Very simple math and they ask you to brainstorm a few ideas for recommendations.
Interview Question – Forecast revenues for a pharma company Answer Question
I applied through college or university and the process took 3 weeks - interviewed at ZS Associates in November 2013.
Interview Details – Straightforward and follow the format listed on their website:
First round behavioral+Case interview with 2 people (around 1 hour in total)
Final round Behavioral+Case+Analytics with 3 different people (prepare for 4-5 hours).
Case interview is position-specific. No general case questions (ex: profit went down 20%, why?). Expect simple calculations. Some knowledge of simple sales/marketing terminologies will be asset for non-business background applicants.
Interview Question – Nothing too difficult analytically; for non-business background applicants, brush up on some simple industry and sales/marketing terms and calculations Answer Question
Negotiation Details – Did not negotiate, very good offer for starting position
I applied through an employee referral and the process took a day - interviewed at ZS Associates in December 2012.
Interview Details – I've heard really great things about ZS and its culture from a friend who works there. I was referred and had an hour long phone interview, after which I was invited for a full-day in person interview. I had one behavioral interview with a Principal, two technical interviews and one sit-down with a current employee to see what they do - note that the sit-down is actually an interview to see how interested you are in their work! I felt that I did really well in all but the behavioral. I had bronchitis the week before the interview and was still a little hoarse (should have requested a change of date!) and the Principal that I interviewed with got really testy when I coughed a few times and had to drink some water. After a while, he just tuned out and started looking at his computer. I think it was unbelievably rude and unfair of him to dismiss me for a cough, but I really should have told them during scheduling that I needed extra time to recoup and lose my cough.
Interview Question – The more difficult case study gave me a packet of information about trial results from a new drug. They gave me a half hour to sift through it and develop a recommendation for which strategy to pursue in selling the drug. There was a handy sheet for me to write pros and cons to use in my answer that guided me through how to make the recommendation. View Answer
I applied online and the process took 2 weeks - interviewed at ZS Associates in June 2011.
Interview Details – Two interviews in the process. One is by phone, and is done in two parts. The first part is a standard interview (about your education, experience, etc), and the second part consists of a small case study, followed by a discussion of your answers and thought process. the second interview is a day long interview done in the office. You will meet with people at each level (associate, consultant, etc), and it is a similar experience to the phone interview (a mix of typical interviews with case studies thrown in). At this point there is also a written case study.
Interview Question – How do you choose between two locations to place a new store Answer Question
Negotiation Details – No negotiations. I was given a contract and accepted
I applied online and the process took 2 months - interviewed at ZS Associates in January 2013.
Interview Details – At first I got an email from HR asking me to set up a phone interview. It was very simple and quick, basically just a little about myself and learning about the position. About a month later, they contacted me to set up a follow up phone interview. This was about an hour, split into two parts, a half hour case study (They emailed the materials for it at the start of the interview) and a half hour behavioral portion. A month after that I got a phone call from HR saying that they decided to not hire at all for the position after all.
Interview Question – In what ways have you made a process more efficient/streamlined? Answer Question
I applied through a staffing agency and the process took 3 days - interviewed at ZS Associates in September 2008.
Interview Details – Phone screen
1:1 Interveiew with a Principal of the company
Interview Question – What is the biggest or most embarrasing mistake you made on the job. Answer Question
Negotiation Details – Short and direct
I applied through college or university and the process took 1+ week - interviewed at ZS Associates in November 2011.
Interview Details – I interviewed on two separate days. The first day consisted of a one-on-one behavioral interview, where we discussed my work history and habits and other standard interview fare. There was also a case-study interview on the first day, and the case was relatively easy. It mostly involved scanning data for errors and offering suggestions for improved process flow. The next day I was invited back for a second round of interviews.
The second round of interviews was about a week or so after the first round, and there were two case-studies, a one-on-one behavioral interview with a principal, a demonstration session, and a one-on-one lunch. The whole process lasted about five hours. The cases in the second round were considerably more difficult, and were apparently fairly representative of the work the company does. I honestly found the cases to be dull, and I did not excel on them. As a result, I did not receive an offer.
I commend ZS for the speed of the process. I received a call the day after the second round with their decision. Everyone I met was friendly and honest about their work. The person who took me to lunch told me that he really did not like his job, which was helpful. I realize that this might sound like sour grapes, but I am fairly certain that even if I had received an offer I would have declined. It seems like really boring and time-consuming work that does not make a positive contribution to the world at large.
Interview Question – One of the case studies concerned reorganizing a pharmaceutical sales staff, and essentially boiled down to how I would downsize the department. View Answer
I applied through an employee referral and the process took 1 week - interviewed at ZS Associates in March 2011.
Interview Details – First contact was on a Monday by phone from the recruiter. She wanted to set up a phone interview the next day, which was a basic quantitative case study with an associate. Three minutes after that interview ended the recruiter called back saying they wanted me in Evanston on Thursday for the final round. Four part interview: quantitative case, qualitative case, personality and position demonstration. There is also lunch with a current associate.
Interview Question – Describe a technical presentation you have had to give in an academic or work environment. Answer Question
The process took 6+ weeks - interviewed at ZS Associates in May 2011.
Interview Details – First two rounds were phone call. One was behavioral type questions like "Tell me a about time when you felt caught between conflicting objectives", Go over Resume, Why ZS etc. The second one was data crunching. I was given a tables, charts with some information as asked questions on that. Brush up your calculating skills.
Final round was in the ZS office- 1 past project experience with a principal where I had explain my PhD thesis to him. Second was behavioral with a Principal. Finally they gave me a lot of material about a company and asked me to prepare a presentation with a group advising the company based on the information provided. The panel was fair and easy on me. It was a little intimidating in the begining, but just manage your time well and be organized in your approach.
-Very friendly people overall and pleasant experience
Interview Question – Tell me a time when you had to work on a project with a tight deadline Answer Question
Negotiation Details – Decent offer, not outstanding but very little to no negotitation
I applied online and the process took 2 months - interviewed at ZS Associates in October 2009.
Interview Details – ZS management are very bright, high performing individuals. You will impress them the most by showing you are a smart, down to earth individual.
Negotiation Details – ZS made me an excellent and very competitive offer. They didn't give me a reason to do much negotiating.
Your feedback has been sent to the team and we'll look into it.
The difficulty rating is the average interview difficulty rating across all interview candidates.
Your response will be removed from the review – this cannot be undone.
No thanks –