I was not impressed by any means: It was so painful to watch that I had to stop after 15 minutes.
It is well possible that RK is competent, but his lack of confidence (or communication skill) made his numbers look like as if they would have been just pulled out of his behind. Additionally, his slowness of adequately reacting to EY's questions left me very much underwhelmed.
Link.
"Razib Khan has an academic background in the biological sciences, and has worked for many years in software. He is an Unz Foundation Junior Fellow. He lives in the western United States."
Razib's writings can be found on his blog, Gene Expression.