Public voice

Cassie Kozyrkov

Also known as Decision intelligence

Cassie Kozyrkov is CEO of Kozyr and a former Chief Decision Scientist at Google. Her public work explains how AI, data, and statistics connect with decisions. She held a leadership role at Google and earlier worked in data science and consulting. In December 2021, she announced the public release of Making Friends with Machine Learning, a conceptual course for broad audiences. Her current independent practice includes speaking, advising, courses, and a newsletter. This gives her a public role for people choosing how to adopt and manage AI. Her course explains core model concepts for people who need to participate in AI projects, with attention to the decisions that the work should support.

Now at
Kozyr
Photo of Cassie Kozyrkov

Timeline

  1. Before Google leadership

    A background in data and decisions

    Kozyrkov worked in data science and consulting before Google. She also studied statistics, economics, psychology, and cognitive neuroscience.

  2. By the 2018 podcast

    Chief Decision Scientist at Google Cloud

    Kozyrkov was Google’s Chief Decision Scientist and earlier its Chief Data Scientist in the Office of the CTO. She advised leaders on decision processes, AI strategy, and data-driven organisations.

  3. Public decision intelligence teaching

    Explaining the choice before the model

    Kozyrkov explains decision-making alongside data science, analytics, and statistical inference. This public teaching practice focuses attention on what a team wants to achieve and which choices an analysis can support. It places the purpose of a system within the technical discussion.

  4. December 2021

    Opening an internal course to the public

    Google released Making Friends with Machine Learning in December 2021. She presented a conceptual course for broad audiences. Its purpose was to help people take part in machine learning projects and understand the ideas needed to use AI for business problems.

  5. After Google

    Independent speaking and advice

    Kozyrkov held an earlier Google role and now works as an AI advisor and speaker. She established an independent public practice around decision-making and responsible adoption.

  6. Current public role

    Leading Kozyr

    She is Kozyr’s CEO, and her public work includes speaking, courses, advising, and a newsletter.

Sources and credits

Photo: Web Summit, via Wikimedia Commons. License: CC BY 2.0. Source: commons.wikimedia.org. Cropped to a square and resized. Ask us to remove or replace this photo.

  1. Google Cloud Podcast: Decision Intelligence gcppodcast.com. Checked 11 October 2026.
  2. Making Friends with Machine Learning cloud.google.com. Checked 11 October 2026.
  3. Kozyr: About kozyr.com. Checked 11 October 2026.
  4. Kozyr home kozyr.com. Checked 11 October 2026.