William Chen

I’m currently a Quantitative Researcher at Two Sigma. Previously, I was a Data Science Manager at Quora. Before that, I studied Statistics at Harvard, where I received both my Bachelors and my Masters Degree.

Some Things I've Worked On

Behind the Scenes Look at Data Science Interviews

I shared my tips in succeeding in data science interviews, based on my experience 1) as a Hiring Manager at Quora and 2) going through the data science job search process in early 2019.

ESCAPE ROOM TIPS

My blog where I share escape room tips, reviews, and escape room puzzle ideas! Check out my top recommendations by city:

• Los Angeles escape rooms

• San Diego escape rooms

• Boston escape rooms

• Las Vegas escape rooms

• Portland escape rooms

• Seattle escape rooms

• Montreal escape rooms

• New York City escape rooms

How to Build a Compelling Data Science Portfolio and Resume

I gave my tips on putting together a compelling data science resume when preparing for the job search process.

Probability Cheatsheet

A Creative-Commons licensed 10-page probability cheatsheet that covers a full semester's worth of introductory probability, ideal for following along during a course or for review. Co-written with Professor Joe Blitzstein.

Free Data Science Books

I compiled my list of my favorite free data science books. The books span topics like statistical inference, visualization, and data mining.