# @washu on Instagram

- **Type:** Image
- **Original URL:** https://www.instagram.com/p/DJbviowNjQe
- **Gondola URL:** https://gondola.cc/posts/37711414-washu-instagram
- **Thumbnail:** https://img.gondola.cc/tr:w-,h-,fo-auto/postThumbnails/8da20f480f.jpg
- **Posted:** 2025-05-09T12:52:09.000+00:00
- **Account Owner:** WashU (@washu) — https://gondola.cc/washu

## Caption

For the final feature in this year’s Class Acts series, we celebrate Joshin Kumar, a McKelvey Engineering PhD whose curiosity—and compassion—are making waves in science and beyond. From studying climate-altering aerosols to developing biosensors that detect airborne pathogens, Joshin’s work is equal parts brilliant and human-centered. Now continuing his journey at WashU as a postdoctoral researcher in the Chakrabarty Lab, he’s scaling that innovation to help track and respond to public health threats faster than ever.

“Ultimately, I want my human-centric research to make a dent in climate change and help stop pandemics in their tracks. That’s the big dream!”

We’re thrilled to celebrate Joshin — and all of our remarkable #WashU25 grads who are taking the lead to build a better world.

#WashU

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## Tags

washu, washu25

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