This is an interview with Marc Cosentino, the author of "Case in Point," which has been the best-selling consulting case interview book worldwide for over two decades. This conversation has been condensed and edited for clarity. When I started working at Harvard's Office of Career Services in the late 1980s, I didn't expect to spend the next 18 years helping students break into consulting. I had just been laid off from my job at Fidelity Investments. A few months later, I found myself at