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Zak Ringelstein
Founder at Zigazoo || Founder of UClass (acquired), Forbes 30 Under 30, Teach For America, U.S. Senate Nominee || Columbia University
Zak Ringelstein is the CEO and Founder of Zigazoo, a social media platform for children that allows them to create and share video content while learning digital citizenship skills.12 He founded Zigazoo in 2020 with his wife Leah Ringelstein, aiming to create a safe, fun, and positive social media environment for kids.3
Professional Background
- CEO and Founder of Zigazoo (2020 - Present): Leading the world's largest social network for kids.1
- PhD Candidate at Teachers College, Columbia University (2019 - Present).1
- 2018 Democratic Nominee for U.S. Senate (2017 - 2018).1
- CEO and Founder of UClass (2012 - 2016): An edtech company acquired by Renaissance Learning in 2015.1
- Teacher at International School of Tanganyika (2011 - 2012) and Isaac School District #5 (2008 - 2011).1
- Researcher at United Nations Millennium Village Project (2007).1
Education
- PhD in Politics and Education, Teachers College, Columbia University (2019 - Present).1
- Master's Degree in Education, Arizona State University (2008 - 2010).1
- Bachelor of Arts in History and Human Rights, Columbia University (2004 - 2008).1
Achievements
- Forbes 30 Under 30 (2015).1
- Forbes 30 Under 30 All-Star Alumni (2018).1
- Business Insider Top Creator Economy Startups To Watch (2022).1
Under Ringelstein's leadership, Zigazoo has raised $21 million in venture capital, including a $17 million Series A round in 2022.23 The platform has attracted over a million users and is backed by notable investors such as Liberty City Ventures, Serena Ventures, and Jimmy Kimmel.23
Highlights
Jan 16 · cbinsights.com
Zigazoo - Products, Competitors, Financials, Employees ...
Mar 3 · zigazoo.com
About Us - Zigazoo
Sep 8 · superawesome.com
Episode 4: Zak Ringelstein, Founder & CEO of Zigazoo, on how Gen ...
Jun 28 · refreshmiami.com
Zigazoo raises $17M celebrity-studded Series A to ... - Refresh Miami
Jul 15 · Just The News
Longtime FBI signature expert says Hunter Biden signed receipt for abandoned laptop - Just The News


