About Arun Majumdar
Arun Majumdar is a co-founder of TheZero and a member of its board. TheZero is based in Sunnyvale, California. It lists solutions for waste management, carbon removals and industrial decarbonization.
Experience
This experience comes from official bios and from SEC filings. For roles taken from filings, the years are when the filings name Arun Majumdar in the role, so the role may have started earlier or lasted longer.
Thezero Inc. Current
Co-Founder, Board Member
2026 – Present · Sunnyvale, CA
Sunnyvale company converts crop, food, forestry and municipal waste into biochar that replaces coal or locks carbon away.
Key Colleagues at Startups
The people Arun Majumdar works with at each company, as listed on that company's latest Form D.
Thezero Inc. · Form D, Nov 5, 2026
Meng Sui
Chief Executive Officer
YC
Yi Cui
Co-Founder, Board Member
Divya Chalise
Co-Founder, CTO and director