# Kimmo Sirén

> Kimmo Sirén, an entrepreneur from Helsinki, is Co-Founder of Orb, a Web3 social app built on Lens Protocol, acquired by MaskDAO in 2025. Now Head of Orb Product at MaskDAO.

- Canonical URL: https://iq.wiki/wiki/kimmo-siren
- Categories: People in crypto
- Tags: Ethereum, Developer, Founder
- Created: 2026-07-21T20:24:39.286Z
- Last updated: 2026-07-30T17:58:05.669Z
- Source: IQ.wiki — the world's largest blockchain and crypto encyclopedia (https://iq.wiki)

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**Kimmo Sirén** is a Helsinki-based entrepreneur and former academic researcher recognized for his contributions to the [Web3](https://iq.wiki/wiki/web3) ecosystem. Sirén is the Co-Founder and Chief Technology Officer (CTO) of [Orb](https://iq.wiki/wiki/orb), a [Web3](https://iq.wiki/wiki/web3) social app built on the [Lens Protocol](https://iq.wiki/wiki/lens-protocol). He also served as a Postdoctoral Researcher at the University of Copenhagen, where he focused on developing tools and pipelines in the fields of deep and machine learning.

## Early Life and Education

Kimmo Sirén pursued his higher education in Germany, where he attained a Doctor of Philosophy (PhD) in Chemistry from the University of Kaiserslautern, now known as RPTU Kaiserslautern-Landau, following a 2023 institutional merger. [\[1\]](#cite-id-Rp7I4H29nRcTQBoa) His doctoral research focused on "Multi-omics Methods to Unravel Microbial Diversity in Fermentation of Riesling Wines," showcasing his proficiency in various biochemical analytical techniques. [\[2\]](#cite-id-wnbahglrpQ9zhHE1) Before this, he completed his Master of Science in Viticulture and Enology at Hochschule Geisenheim University, where he also received the Vinifera EuroMaster Erasmus Mundus Scholarship. [\[2\]](#cite-id-wnbahglrpQ9zhHE1)

## Co-Founding of Orb

In June 2022, Kimmo Sirén co-founded [Orb](https://iq.wiki/wiki/orb) alongside [Nilesh Rathore](https://iq.wiki/wiki/nilesh-rathore). [\[1\]](#cite-id-Rp7I4H29nRcTQBoa) [Orb](https://iq.wiki/wiki/orb) is a [Web3](https://iq.wiki/wiki/web3) social application that leverages the [Lens Protocol](https://iq.wiki/wiki/lens-protocol), aiming to support decentralized social interactions. [\[3\]](#cite-id-AVC0CXxgsOnTVSRa) Sirén took on the role of CTO, where he helped shape the technological vision of the company. Under his leadership, the company raised $2.3 million in a pre-seed equity funding round. The round began in March 2023 and closed in May 2023 without a single lead investor, involving participants such as Superscrypt, Founders Inc., Foresight Ventures, [Aave](https://iq.wiki/wiki/aave) Companies, [Stani Kulechov](https://iq.wiki/wiki/stani-kulechov), and [Sandeep Nailwal](https://iq.wiki/wiki/sandeep-nailwal).[\[2\]](#cite-id-wnbahglrpQ9zhHE1)​

## MaskDAO Acquisition and Current Role

In 2025, [Orb](https://iq.wiki/wiki/orb) was acquired by MaskDAO. Following the acquisition, Kimmo Sirén transitioned to his role as Head of [Orb](https://iq.wiki/wiki/orb) Product at MaskDAO. In this position, he oversees the development and enhancement of product offerings related to [Orb](https://iq.wiki/wiki/orb). [\[1\]](#cite-id-Rp7I4H29nRcTQBoa)