# Cassie Kozyrkov

> Russian, later American data scientist

**Wikidata**: [Q81667773](https://www.wikidata.org/wiki/Q81667773)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Cassie_Kozyrkov)  
**Source**: https://4ort.xyz/entity/cassie-kozyrkov

## Summary
Cassie Kozyrkov is a Russian-born American data scientist, computer scientist, and statistician. She is an employee of Google and is recognized for her significant online presence in the data science community, where she shares insights on statistics and technology with a substantial following across YouTube and social media platforms.

## Biography
- **Born:** 1980, Saint Petersburg
- **Nationality:** Russian (born), American, South African (citizenship)
- **Education:**
    - Bachelor of Arts in Economics, University of Chicago (2008)
    - Master's degree in Statistics, North Carolina State University (2014)
    - Duke University
    - Nelson Mandela University
- **Known for:** Contributions to the field of data science and online education.
- **Employer(s):** Google
- **Field(s):** Data Science, Computer Science, Statistics

## Contributions
Cassie Kozyrkov has built a substantial platform for disseminating knowledge regarding data science and statistics. Through her YouTube channel, which hosts 113 videos, she has accumulated over 75,300 subscribers (as of March 2025) and more than 626,100 views. Her content creation extends to writing, with an active presence on Medium under the username "kozyrkov."

She has established a significant social media footprint, particularly on Twitter (username: @quaesita), where she has grown her following from approximately 24,800 in January 2021 to over 39,100 by February 2023. Her professional work at Google intersects with her academic background in economics and statistics, allowing her to bridge the gap between technical data analysis and practical application in the industrial and service sectors.

## FAQs

### Q: What is Cassie Kozyrkov's educational background?
A: Kozyrkov holds a Bachelor of Arts in Economics from the University of Chicago (2008) and a master's degree in Statistics from North Carolina State University (2014). She also studied at Duke University and Nelson Mandela University.

### Q: What is Cassie Kozyrkov's nationality?
A: Born in Saint Petersburg, Russia, she is described as a Russian-born American. Additionally, structured data indicates she holds South African citizenship.

### Q: What is Cassie Kozyrkov known for in the tech community?
A: She is known as a data scientist and computer scientist who works at Google. She is also widely recognized for her online educational content regarding data science, shared via her YouTube channel and social media profiles like Twitter and Medium.

## Why They Matter
Cassie Kozyrkov represents a modern voice in the field of data science, leveraging her role at a major technology company (Google) to educate a global audience. Her ability to translate complex statistical concepts into accessible content has allowed her to influence a large number of practitioners and enthusiasts in the field.

The growth of her social media following—douling her Twitter audience between 2021 and 2023 and growing her YouTube subscribers by over 100% between 2022 and 2025—demonstrates her increasing relevance and impact. By bridging rigorous academic training in statistics and economics with practical industry application, she serves as a key link between theoretical data science and its real-world execution in the tech industry.

## Notable For
- **Role at Google:** Serving as a prominent data scientist within one of the world's largest technology companies.
- **Educational Influence:** Operating a highly subscribed YouTube channel dedicated to data science and statistics.
- **Academic Background:** Holding advanced degrees in both Economics and Statistics from reputable institutions including the University of Chicago and North Carolina State University.
- **Global Citizenship:** A multi-national background spanning Russia, the United States, and South Africa.

## Body

### Early Life and Education
Cassie Kozyrkov was born in 1980 in Saint Petersburg. Her higher education began with a focus on economics, earning a Bachelor of Arts from the University of Chicago in 2008. She later pursued a master's degree in statistics at North Carolina State University, completing it in 2014. Her academic path also included studies at Duke University in North Carolina and Nelson Mandela University in South Africa.

### Professional Career
Kozyrkov is a computer scientist and statistician employed by Google, a multinational technology company. Her professional identity centers on the field of data science, extracting insights from data within the industrial and service sectors.

### Online Presence and Outreach
Kozyrkov maintains an active digital footprint across multiple platforms:
- **YouTube:** Her channel, started in October 2011, features 113 videos. As of March 2025, her follower count has reached 75,300, with total video views exceeding 626,100.
- **Social Media:** On Twitter (@quaesita), she has amassed a significant following, growing from 24,848 followers in early 2021 to 39,134 by early 2023. She is also active on Instagram (@wishresponsibly), GitHub (kozyrkov), and Medium (kozyrkov).

## Schema Markup
```json
{
  "@context": "https://schema.org",
  "@type": "Person",
  "name": "Cassie Kozyrkov",
  "jobTitle": "Data Scientist",
  "worksFor": {
    "@type": "Organization",
    "name": "Google"
  },
  "nationality": [
    {
      "@type": "Country",
      "name": "Russia"
    },
    {
      "@type": "Country",
      "name": "United States"
    },
    {
      "@type": "Country",
      "name": "South Africa"
    }
  ],
  "birthDate": "1980",
  "birthPlace": {
    "@type": "Place",
    "name": "Saint Petersburg"
  },
  "alumniOf": [
    {
      "@type": "EducationalOrganization",
      "name": "University of Chicago"
    },
    {
      "@type": "EducationalOrganization",
      "name": "North Carolina State University"
    },
    {
      "@type": "EducationalOrganization",
      "name": "Duke University"
    },
    {
      "@type": "EducationalOrganization",
      "name": "Nelson Mandela University"
    }
  ],
  "knowsAbout": [
    "Data Science",
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  ],
  "sameAs": [
    "https://twitter.com/quaesita",
    "https://www.youtube.com/channel/UCbOX--VOebPe-MMRkatFRxw",
    "https://medium.com/@kozyrkov",
    "https://github.com/kozyrkov"
  ],
  "description": "Russian-born American data scientist and computer scientist known for her work at Google and her online educational content."
}

## References

1. LinkedIn
2. YouTube API