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Rainmaker

Cloud SeedingActive
Founded: 2023HQ: El Segundo, CaliforniaTotal Funding: $31M+

Peter Thiel-backed drone-based cloud seeding startup. Operates in Utah, Colorado, Texas, and California. $31M+ raised. Actively lobbying against state bans.

Key Facts

  • Founded by Thiel Fellow Augustus Doricko after dropping out of UC Berkeley
  • Uses drone-based cloud seeding with silver iodide
  • Has state contracts with Utah and Colorado Departments of Natural Resources, Santa Barbara, San Luis Obispo
  • Named in Congressional hearing in connection with Texas flood concerns
  • Actively lobbying against state 'Clear Skies Act' legislation that would criminalize weather modification

Who's Behind It

Augustus Doricko

(American)

CEO & Founder

25 years old. UC Berkeley dropout (physics). Thiel Fellow. Came up with the idea of a weather startup after joining the Thiel Fellowship.

Follow the Money

Seed$6.3M2024
Peter Thielindividual

German-American billionaire. Born in Frankfurt. PayPal co-founder, Palantir co-founder. Thiel Fellowship backed Doricko.

Garry Tanindividual

Chinese-Burmese Canadian-American. CEO of Y Combinator. Born in Winnipeg to Chinese Singaporean father and Burmese-Chinese mother.

Naval Ravikantindividual

Indian-American. Born in New Delhi, moved to NYC at age 9. Co-founder of AngelList. Early investor in Uber, Twitter.

Series A$25M2025
Lowercarbon Capitalvc

Chris Sacca's $2.4B AUM climate fund. Italian-Irish American founder from Lockport, NY.

Other geoengineering connections:

Harvard SGRP donor

SilverLining funder

Stardust Solutions lead investor

Marine Cloud Brightening funder

Starship Venturesvc

American VC.

Long Journey Venturesvc

American VC.

1517 Fundvc

Founded by Michael Gibson (American, former VP at Thiel Foundation). Fund backed by Peter Thiel. Named after the year Martin Luther posted his 95 Theses.

Connections

Peter Thiel

Early backer via Thiel Fellowship. Doricko is a Thiel Fellow.

[Fast Company]

Lowercarbon Capital

Series A lead investor. Also leads Stardust Solutions and funds geoengineering research.

[E&E News]

Clear Skies Act opposition

Actively lobbying against H.R. 4403 and state-level bans on weather modification.

[E&E News lobbying report]

Sources