# Amrit Santhirasenan

> Amrit Santhirasenan is the London-based co-founder and CEO of hyperexponential. A computer science graduate and qualified actuary, he previously built actuarial and pricing teams at Catlin and Tokio Marine Kiln. He co-founded hx with Michael Johnson in 2017 to improve specialty insurance pricing tools, and also hosted the Startup Dads podcast.

- **Role:** CEO and Co-Founder at hyperexponential
- **Organizations:** hyperexponential, Tokio Marine Kiln, Catlin, Institute and Faculty of Actuaries
- **Nationality:** British
- **Education:** Computer science, University of York
- **Known for:** Built Catlin’s Canadian actuarial function at age 25., Established Tokio Marine Kiln’s first pricing actuarial function., Co-founded an insurance software company that reported tenfold sales growth between its 2021 Series A and January 2024, while remaining profitable.

## Career timeline

- **2005** — Graduated from York in computer science; began his insurance career at Catlin.
- **Before 2013** — Established the actuarial function for Catlin’s Canadian operations in Toronto.
- **2013** — Began building pricing and analytics capabilities at Tokio Marine Kiln.
- **2017** — Co-founded hyperexponential with Michael Johnson; incorporated on 2 November.
- **2019** — hyperexponential participated in Lloyd’s Lab Cohort 3.
- **2021** — hyperexponential announced an $18m funding round led by Highland Europe; Startup Dads was publishing episodes.
- **2024** — Announced a $73m Series B led by Battery Ventures, with a16z and Highland Europe participating.
- **2026** — Demonstrated hyperoperator at hx Live London; launch announced on 8 July.

## Achievements

- Built Catlin’s Canadian actuarial function at age 25.
- Established Tokio Marine Kiln’s first pricing actuarial function.
- Co-founded an insurance software company that reported tenfold sales growth between its 2021 Series A and January 2024, while remaining profitable.
- Hosted Startup Dads, exploring entrepreneurship and parenting.

## Latest updates

- **2026-09** — Shared hx’s Underwriting Edge research on LinkedIn; the company released the survey of 350 UK and US commercial insurance professionals on 10 September.
- **2026-07** — Presented hyperoperator at hx Live London. The 8 July announcement said controlled customer rollout was planned for later in 2026.

## Links

- Website: https://www.hyperexponential.com/
- LinkedIn: https://www.linkedin.com/in/amritsanthirasenan/

---

Profile page: https://yespress.io/amrit-santhirasenan
Published by YesPress — https://yespress.io
Last updated: 2026-10-21