For him, it was a ticket to a green card. It would be interesting to find out though. If you remember his or her names, you might try Facebook or other social media.
“If you remember his or her names,...”
Oh, my goodness! I’m 59. That was 35 years ago. I’m already forgetting the names of the several hundred people I’ve worked with at the last two jobs I’ve had since being laid off in 2011. (I make a huge effort to remember them while I’m there. But later...gone.)