I met one of their consultants at a career fair and submitted an online resume. I then proceeded through a first round "fit" interview, then a second round interview where I had 48 hours to build a deck of 5 PowerPoint slides based on one of four healthcare consulting related topics given to me. After passing that round I had an ~60 min interview by phone that included a case as well as several behavioral questions. I was then invited for an in person interview in their NYC office where I interviewed with 2 consultants, 1 analyst, and a Vice President. The in office interview took ~4 hours with each interview lasting one hour. 1 of the interviews with a consultant included an informal case, and the Vice-President also asked a few informal case related questions, wanting to evaluate my thought process. After the in person interview I had a 30-45 minute interview over the phone with the CEO. Overall the entire process took about 8 weeks. During the interview process ISA repeatedly emphasized their culture and how fit was so important to their firm. I interviewed at several consulting firms, and every one said they emphasized culture, but the feel at ISA was very different than other firms. They are a small firm (~30 people total employees) and they really don't want to bring in people who they feel will cause friction or disrupt the collaborative spirit they have to worked hard to establish. There were a few negative reviews about ISA from several years before and I specifically asked employees about these negative reviews, whether or not they felt they were accurate, and what ISA had/has done to improve communication between senior management and their more junior team over the past several years. Everyone at the firm openly admitted that several years ago they didn't put as much emphasis on employee development and culture as they should have and they have worked hard to make improvements. Everything I saw and heard convinced me that this was the type of firm that I would love to work at.