One of the best way to meet interesting people is to attend barcamp. I went to the first barcamp in Boston 7 years ago. In fact 2014 is likely going to be the very first year I am going to miss attending BarcampBoston 8 because I am in Shanghai.
Luckily there is barcamp Shanghai 2014 ! I went yesterday. Met a bunch of interest people. Gave a presentation on my experience in creating and running an after school Scratch club. These are the slides:
The video that I showed is here, originally created for the MIT ScratchEd site: