Vivek Ravisankar is the CEO and cofounder of HackerRank – https://www.hackerrank.com/ – which was in the Summer 2011 batch.
They surveyed 40,000 developers on things including their favorite frameworks, what they want in a job, and how they learned to code. You can read the report here – https://research.hackerrank.com/developer-skills/2018/
