# Hanif Leoputera > Hanif Leoputera is a research engineer at Tacit in San Francisco, building wearables that enable silent speech. Previously at Affirm. This is his personal site and blog. Every essay has a plain-markdown copy at the same URL with `.md` appended. Interactive figures are described by their captions there. ## Writing - Essays are in progress; none are published yet. ## About - [Home](https://hanifleo.com/): bio, list of writing, contact - Contact: hanifleoputeralim@gmail.com