# Or Offer

> Or Offer is an Israeli entrepreneur, investor, and co-founder and CEO of Similarweb. His effort to research the market for his family’s jewelry business led to a website-discovery tool and later a digital intelligence business. Similarweb listed on the NYSE in 2021. As of October 22, 2026, Offer remains CEO, with Michael Akkerman scheduled to succeed him on November 2, 2026.

- **Role:** Co-founder and CEO at Similarweb (through the announced November 2, 2026 succession)
- **Organizations:** Similarweb, AfterDownload
- **Nationality:** Israeli
- **Education:** B.A. in Information Technology and Marketing, The Interdisciplinary Center Herzliya (now Reichman University)
- **Known for:** Built Similarweb from a small startup into a publicly traded digital intelligence business., Led the company through its 2021 NYSE IPO at an approximately $1.6 billion valuation., Founding partner at AfterDownload, later acquired by IronSource.

## Career timeline

- **Before 2007** — Expanded the family jewelry business with stores and an online presence.
- **2007** — Began the venture that became Similarweb, initially focused on discovering similar websites.
- **2009** — The company was incorporated; early financing included Yossi Vardi.
- **2011** — Began redirecting the business toward digital measurement.
- **2013** — Released its web analytics service.
- **2021** — Led Similarweb through its May NYSE listing under SMWB.
- **2024** — Announced the acquisition of app-data company 42matters.
- **2025** — Introduced expanded App Intelligence and Similarweb AI Agents.
- **2026** — Announced CEO succession; Michael Akkerman appointed to take over November 2.

## Achievements

- Built Similarweb from a small startup into a publicly traded digital intelligence business.
- Led the company through its 2021 NYSE IPO at an approximately $1.6 billion valuation.
- Founding partner at AfterDownload, later acquired by IronSource.
- Recognized in TheMarker’s 40 under 40 and an Israeli high-tech top-100 influencers list, according to his corporate biography.

## Latest updates

- **2026-09** — Similarweb appointed Michael Akkerman CEO effective November 2, 2026; Offer will support a transition period.
- **2026-05** — Announced his intention to transition out of the CEO role as Similarweb began a formal succession search.
- **2025-05** — Published the introduction of Similarweb AI Agents.
- **2025-03** — Announced App Intelligence covering more than 4 million iOS and Android apps across 58 countries.

## Links

- Website: https://www.similarweb.com/blog/author/or-offer/
- LinkedIn: https://www.linkedin.com/in/oroffer/
- Twitter/X: https://x.com/oroffer

---

Profile page: https://yespress.io/or-offer
Published by YesPress — https://yespress.io
Last updated: 2026-10-22