# Roshan Patel

> Roshan Patel is the co-founder and CEO of Arrow, a New York-based healthcare payments company (formerly Walnut) that uses AI to detect claim errors, accelerate reimbursement, and give revenue cycle teams real-time visibility into what payers are doing. He built the original company as a buy-now-pay-later product for medical bills after watching a family member's bills pile up, raised a $110 million Series A led by Gradient Ventures in 2022, then pivoted the business toward provider-side claims infrastructure and rebranded to Arrow in 2024.

- **Role:** Founder & CEO at Arrow
- **Organizations:** Arrow (arrowhq.com), Walnut (predecessor), H/L Ventures (former Venture Partner), Space Capital (former Associate), Google (former Product Manager)
- **From:** Peterlee, England, United Kingdom
- **Nationality:** British
- **Education:** B.S. in Mathematics, Minor in Physics, The George Washington University, M.S. in Finance, Vanderbilt University
- **Known for:** Raised $110M Series A for Walnut in May 2022, led by Gradient Ventures, Total funding of approximately $113.6M across rounds, Selected for Plaid's inaugural startup accelerator cohort

## Career timeline

- **early career** — Associate at Space Capital, an early-stage venture fund focused on space startups
- **—** — Product Manager at Google
- **—** — Principal / Venture Partner at H/L Ventures
- **2020** — Founded Walnut, a buy-now-pay-later product for medical bills; joined Plaid's inaugural startup accelerator
- **2022-05** — Raised a $110M Series A led by Gradient Ventures, with participation from Afore Capital and others
- **2024** — Emerged from stealth as Arrow, refocused on AI-driven healthcare claims and revenue cycle infrastructure

## Achievements

- Raised $110M Series A for Walnut in May 2022, led by Gradient Ventures
- Total funding of approximately $113.6M across rounds
- Selected for Plaid's inaugural startup accelerator cohort
- Grew revenue roughly 50% month-over-month over a six-month stretch at Walnut
- Rebuilt and rebranded the company as Arrow in 2024, expanding into full-stack healthcare revenue cycle software

## Latest updates

- **2024-06** — Arrow emerged from stealth with $110M in prior funding and a new focus on AI for healthcare payments.
- **2024-08** — Posted case study: MyWellbeing cuts claim denials by 85% using Arrow.

## Links

- Website: https://arrowhq.com
- LinkedIn: https://www.linkedin.com/in/patelro
- Twitter/X: https://x.com/roshanpateI

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Profile page: https://yespress.io/roshan-patel
Published by YesPress — https://yespress.io
Last updated: 2026-07-08