Startup Spotlight: Kaaro builds AI agents for railroad paperwork

Second-generation railroaders Sai Surisetti and Gautham Venkateshwaran left Toma to build Kaaro. Kaaro's Speedrun profile says it is working with CPKC, building with Gulf & Ohio Railways and in late conversations with CN.

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Primary source: Andreessen Horowitz SPEEDRUN

Why it matters

Kaaro tests whether experience scaling one vertical AI company transfers to railroad back offices. Sai Surisetti and Gautham Venkateshwaran helped Toma grow from roughly 20 customers to hundreds before starting Kaaro. Kaaro now reports work with CPKC and Gulf & Ohio Railways and late conversations with CN, while the commercial terms, deployment scale and operating results remain undisclosed.

A worker in a high-visibility vest holds a clipboard of papers beside freight cars, rail tracks, red signals, and a cabinet marked “Rw.”

Sai Surisetti and Gautham Venkateshwaran founded Kaaro, a San Francisco startup building AI agents for railroads, in 2026. Kaaro's a16z Speedrun profile describes both founders as second-generation railroaders who have known each other for more than a decade. Before Kaaro, Surisetti and Venkateshwaran left university at 18 to become the first two engineers at Toma, the Y Combinator Winter 2024 startup backed by a16z.…

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