In person interview with 3 people over a two hour period. You first interview with your direct manager, then the AE you would be partnering with, and then the market director of all the accounts.
Overall this was a terrible process. While, I was okay with not getting an offer they scheduled a 4pm call with me on a Monday to tell me I did not get the internship, which I thought was very weird. They could have just emailed me saying I did not get it instead of making me wait all day with high hopes.
Very, very bizarre process.