How to pronounce “christakis” in English

There is social network analysis, Nick Christakis and Jim Fowler looking at social networks like alumni associations or work groups, credit union

And then we know, work by Nicholas Christakis and James Fowler and others, if Samir has been appreciated,

And finally if you have never read the book Connected by Nicholas Christakis I highly recommend you read it, it came out two or three years ago.