Cillian Kieran
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Cillian Kieran is the founder and chief executive officer of Ethyca, based in New York. At Ethyca, he leads product vision, engineering strategy, and company growth, and the company says he launched it to build privacy-by-design infrastructure for developers and automate compliance with privacy laws such as GDPR and CCPA. Before founding Ethyca in 2018, he co-founded BrandCommerce from 2016 to 2018 and was founder and CEO of CKSK from 2006 to 2016. He is known for building data-focused businesses and for his work on privacy infrastructure and data systems.
Updated 7 September 2026
Public sources: ethyca.com ethyca.com
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