Cillian Kieran

Cillian is a serial entrepreneur and seasoned privacy engineer with two decades of experience leading data-intensive businesses. As Founder & CEO of Ethyca, he combines deep technical expertise with a track record of building and scaling companies, including a global digital agency serving Fortune 500 clients. His career reflects a consistent focus on engineering data systems with ethical, user-centric principles—a foundation that positions him uniquely to lead in the privacy infrastructure space.
Founder & CEO, Ethyca
Launched Ethyca to enable privacy-by-design infrastructure for developers. Leads product vision, engineering strategy, and company growth. Built a developer-first platform that automates compliance with privacy laws (GDPR, CCPA) and embeds ethical data practices into modern software stacks.
2018 - PresentFounder, BrandCommerce
Co-founded a retail tech startup bridging online and offline commerce experiences. Developed product strategy and go-to-market in a competitive, rapidly evolving sector.
2016 - 2018Founder & CEO, CKSK
Built a full-service digital consultancy from the ground up, scaling it to 100+ employees with offices in Dublin, Amsterdam, New York, and Gdańsk. Led data and digital transformation initiatives for global clients including PepsiCo, Heineken, PlayStation, and Danone.
2006 - 2016Cillian brings the rare combination of visionary product instincts, deep technical grounding, and demonstrated leadership, making him a founder capable of building a category-defining company in data infrastructure.