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Zach Sims

Zach Sims

Co-founder of Codecademy and angel investor

New York
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San Francisco
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Joined August 2025
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Y Combinator Alumni

Summary

Zach Sims is a serial entrepreneur driven by a passion for making technology education accessible. From his early attempts to innovate at age 13 to co-founding Codecademy after identifying a gap in traditional computer science education, he has consistently focused on empowering individuals to learn and thrive in the tech-driven world. His dedication led Codecademy to teach over 50 million people and eventually to a $525M acquisition by Skillsoft. wikipedia+3
Sims is a seasoned startup leader with experience scaling a company from a dorm-room prototype to a major acquisition. His tenure as CEO of Codecademy and subsequent role as GM of Technology and Developer at Skillsoft highlight his ability to manage large teams, drive revenue, and strategically integrate businesses post-acquisition. He actively advises and angel invests in new ventures, sharing his insights on company building and fundraising. zdsims+4
Recognized as a thought leader in education technology and entrepreneurship, Sims has been featured in Time's '100 Most Influential People,' Forbes, and Inc. Magazine's '30 Under 30.' He regularly shares his perspectives through his personal blog and social media, advocating for practical skill development and discussing current trends in technology and startups. wikipedia+3

Work

Education

Writing

In 2025: Execution is Cheap, Distribution is Everything

January 15, 2025

A long-form piece discussing how advancements in AI and software development tools are driving down the cost of execution, making distribution the primary competitive advantage for founders in 2025.

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How The Internet Of The 2000s Shaped An Entire Generation Of Developers

December 1, 2022

A reflection on the formative influence of the 2000s internet and personal experiences building websites during that era, which ultimately inspired the creation of Codecademy.

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Codecademy's Next Chapter: Why We're Joining Forces With Skillsoft

December 1, 2021

An announcement and explanation of the strategic decision for Codecademy to be acquired by Skillsoft, detailing the vision for growth and enhanced learning experiences under the new partnership.

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A Decade of Learning with our CEO, Zach Sims

August 18, 2021

A personal reflection on the journey of building Codecademy over ten years, sharing insights, challenges, and the evolution of the platform's mission and impact.

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Hobbies

Demonstrated an early passion for technology and building, attempting to create a waterproof iPod case at age 13 and later building websites as a personal outlet. wikipedia+1

Notes

MHMaddie Hallsaid
ZSZach Sims
has played a leading role in creating or scaling subscription products for B2C companies.

Nov 18, 2025