My Operation Principles

Sep 20, 2025

Stay hungry, stay foolish. - Steve Jobas
Read more →

How WhatsApp Works

Sep 13, 2025

This is a counterpart to WhatsApp Culture. Here, I introduce how WhatsApp works. WhatsApp, for the longest time, took a contrarian approach: 1) finding the biggest machine; 2) emphasis on...
Read more →

A Glass Half Full

Aug 21, 2025

In my career, I noticed some people complain a lot. In retrospect, it always spreads, weighing on others, as expected. So I began writing down my thoughts.
Read more →

Joining NexHealth: A New Chapter in My Career

May 28, 2025

Have you ever thought about what it takes to build the infrastructure layer of the U.S. healthcare system, one that enables hundreds of different EHRs (Electronic Health Record systems), whether...
Read more →

Moving On [Meta]

May 4, 2025

After more than a decade at Meta/Facebook, it’s time for me to move on. So here goes a non-typical badge post, more of a collection of memories. This is about...
Read more →

WhatsApp Culture

Apr 18, 2025

I have been fortunate to work for WhatsApp and have always wanted to write about its distinctive culture and the differences between it and its parent company, Facebook/Meta. In another...
Read more →

Happiness @ Work

Feb 16, 2025

Reflection from a Silicon Valley insider
Read more →