# Abdul Jamjoom

> Abdul Jamjoom is the co-founder and CEO of Arini, a San Francisco startup building an AI receptionist that answers phones, books appointments, and handles patient communication for dental practices around the clock. A Harvard computer science graduate and former search and applied-AI engineer at the enterprise messaging company Threads, he teamed up with his high-school friend Rami Rustom - the pair met in Jordan - to attack a market they found by literally walking into dental offices and watching front desks melt down. Backed by Y Combinator (W24), Arini turns the $7B-a-year dental front-desk problem into software that, in Jamjoom's words, just gets the job done.

- **Role:** Co-Founder & CEO at Arini
- **Organizations:** Arini, Threads, Y Combinator
- **Nationality:** Saudi Arabian
- **Education:** B.A. in Computer Science (focus on natural language research), Harvard University, Coursework in Computer Science and Entrepreneurship, Stanford University
- **Known for:** Co-founded and leads Arini, an AI patient-communication platform for dental practices serving DSOs across the US and Canada., Selected for Y Combinator's W24 batch., Early engineer at Threads, where he led search and triage and co-led applied AI work.

## Career timeline

- **2019** — Joined Threads, a San Francisco enterprise communication platform, as a full-stack engineer; led search and triage flows, later moved to applied AI alongside Rami Rustom.
- **2023** — Left Threads (Nov 2023) to co-found Arini with Rami Rustom.
- **2024** — Arini went through Y Combinator's Winter 2024 (W24) batch and launched its AI receptionist for dentists; raised a seed round.
- **2025** — Appeared on Deepgram's AI Minds podcast (#049); Arini partnered with Cartesia for low-latency voice; shipped self-serve agent configuration for practices.

## Achievements

- Co-founded and leads Arini, an AI patient-communication platform for dental practices serving DSOs across the US and Canada.
- Selected for Y Combinator's W24 batch.
- Early engineer at Threads, where he led search and triage and co-led applied AI work.
- Built AI infrastructure capable of booking appointments across diverse dental practice-management systems at scale.
- Drove a switch to Cartesia's Sonic voice model, cutting latency and reducing patient hang-ups.

## Latest updates

- **2025-01** — Featured on Deepgram's AI Minds podcast (#049) discussing Arini's approach to voice AI for dental practices.
- **2025-05** — Interviewed on the Dentistry In General Radio Network about Arini's AI patient-communication platform.

## Links

- Website: https://arini.ai
- LinkedIn: https://www.linkedin.com/in/abduljamjoom/
- YouTube: https://www.youtube.com/watch?v=AB2H-ksqyxE

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Profile page: https://yespress.io/abdul-jamjoom
Published by YesPress — https://yespress.io
Last updated: 2026-06-25