I had a unique experience at Pfizer because I had a rookie manager who wasn't a good coach. I longed for a manager with experience, who could improve a situation by being in it and offer advice and development opportunities for me as a new sales rep. I learned to lead without authority in this role, partly because my manager had me lead many of our training sessions and meetings. Pfizer is where I learned about migraine headaches and how to push through them. The culture in general was a bit cut-throat. The hardest part of the job was trying not to step on other Pfizer reps' toes (there were 8 of us in the same territory)! The most enjoyable part of the job was learning what not to do if I became a manager in this industry. Also, it's not a bad place to get your feet wet, but not one of my original teammates still works there.
Good place to start in pharma
It's a cut-throat environment, internally