It took up to 2 months for the entire process, but it moved very fast and efficiency (4 rounds). I'm impressed by the screening interview with recruiter, very insightful (definitely not asking tons of unnecessary questions, instead heavily focusing on your career goal: Why do you want to join Broad?). The team is very nice and professional. Again, they won't spend time asking things that they aren't looking for; instead they seriously evaluate your technical kills for the position itself and behavior/cultural fit for the whole team. If you are one of their top candidates, you definitely would hear back quickly for the next steps. The timeline is very reasonable overall.

First, there was a one way interview where you have to answer 5 questions and you get to retake the videos as many times as you want. Then a screening with the hiring manager, and lastly a 2 and a half hour panel interview where you get to talk to multiple members of the lab.