# David Lu

> David Lu is the co-founder and CEO of Clarity Movement Co., a Berkeley-based climate tech company that deploys hyperlocal air quality monitoring networks across 85+ countries. Growing up in smog-choked Shanghai and arriving to California's startling blue skies as a teenager, he turned personal contrast into a global mission. Clarity's tissue-box-sized solar-powered sensors have recorded over 500 million measurements, informed London's low-emission zones, and earned Lu a spot on TIME's 100 Most Influential Climate Leaders of 2025.

- **Role:** Co-founder & CEO at Clarity Movement Co.
- **Organizations:** Clarity Movement Co., UC Berkeley, CITRIS and the Banatao Institute, Greenpeace
- **From:** Shanghai, China
- **Nationality:** Chinese-American
- **Education:** Bachelor of Science in Atmospheric Sciences, University of California, Berkeley
- **Known for:** Named to TIME's 100 Most Influential Climate Leaders of 2025, Built Clarity Movement from a UC Berkeley student project to a $16M+ funded global company, Deployed air quality monitoring networks in 85+ countries and 250+ cities

## Career timeline

- **2012** — Moved to Berkeley, California from Shanghai; enrolled at UC Berkeley
- **2013** — Interned as North American Arctic Campaign Assistant at Greenpeace
- **2013-2014** — Web developer and designer at CRRS Berkeley
- **2013** — Returned from trip to Beijing with a sore throat and an idea to monitor air quality
- **2014** — Co-founded Clarity Movement Co. during sophomore year at UC Berkeley; joined CITRIS spring cohort
- **2015** — Launched in Beijing with 1,000 initial users; featured in Berkeley Engineer magazine
- **2016** — Graduated from UC Berkeley with BS in Atmospheric Sciences
- **2021** — Launched Node-S V2 with enhanced precision and modular design
- **2022** — Clarity raised $9.6M Series A+ co-led by Amasia and Active Fund
- **2024** — Clarity celebrated 10 years; 500M+ measurements, 85+ countries, 10,000+ deployments
- **2025** — Named to TIME's 100 Most Influential Climate Leaders of 2025

## Achievements

- Named to TIME's 100 Most Influential Climate Leaders of 2025
- Built Clarity Movement from a UC Berkeley student project to a $16M+ funded global company
- Deployed air quality monitoring networks in 85+ countries and 250+ cities
- Oversaw 500 million+ air quality measurements recorded by Clarity sensors
- Developed Clarity Node-S, the market's most accurate low-cost PM and NO2 monitor
- Powered the Breathe London network of 450+ sensors informing city-wide policy
- Deployed 200+ outdoor air quality sensors across LA Unified School District
- Led sensor technology licensed to Sensirion (Optical Particle Counter)
- Raised total of $16.2M in funding including $9.6M Series A+ in 2022

## Latest updates

- **2025-10** — Named to TIME's 100 Most Influential Climate Leaders of 2025
- **2024-01** — Clarity Movement celebrated its 10th anniversary with 500M+ measurements recorded across 85+ countries
- **2022-08** — Clarity raised $9.6M Series A+ round co-led by Amasia and Active Fund with participation from Spero Ventures and SOSV HAX

## Links

- Website: https://clarity.io
- LinkedIn: http://www.linkedin.com/in/david-lu-aa9b3075
- Twitter/X: https://twitter.com/JoinClarity
- Facebook: https://www.facebook.com/claritymovement

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Profile page: https://yespress.io/david-lu
Published by YesPress — https://yespress.io
Last updated: 2026-05-14