# Mark Erikson

> Mark Erikson is the primary maintainer of Redux and creator of Redux Toolkit - the tools that power state management in millions of React applications worldwide. Known online as @acemarke, he became the de facto keeper of Redux in 2016 when Dan Abramov handed off the project. Since then, he has rebuilt Redux's documentation from the ground up, designed the hooks API in React-Redux, and created Redux Toolkit to eliminate the boilerplate that once made Redux notorious. He is a Senior Front-End Engineer at Replay.io and a tireless community fixture - answering questions on Discord, Reddit, Bluesky, and anywhere else developers congregate online.

- **Role:** Senior Front-End Engineer at Replay.io
- **Organizations:** Replay.io, Redux, Redux Toolkit, React-Redux, Reselect
- **Nationality:** American
- **Education:** Computer Science (related research on Chameleon IDE), Cedarville University
- **Known for:** Primary maintainer of Redux since 2016, one of the most downloaded npm packages in existence, Creator of Redux Toolkit - the modern standard for writing Redux logic, Designed and implemented React-Redux v7 and v8 including the hooks API

## Career timeline

- **2008** — Began career as a full-time software engineer
- **2008-2016** — Built geospatial visualization tools; led UI infrastructure teams at Ball Aerospace and Northrop Grumman
- **2016** — Became Redux maintainer after Dan Abramov handed off the project
- **2016** — Started 'Practical Redux' blog series
- **2018** — Led design and development of React-Redux v7 and hooks API
- **2018** — Spoke at React Boston on 'The State of Redux'
- **2019** — Created Redux Toolkit as the official opinionated toolset for Redux
- **2019** — Spoke at React Boston on 'Hooks, HOCs, and Tradeoffs'
- **2020** — Wrote and published Redux Essentials and Redux Fundamentals tutorials
- **2022** — Joined Replay.io as Senior Front-End Engineer
- **2023** — Released Redux Toolkit 2.0; spoke at React Advanced on building React DevTools with Replay
- **2024** — Released Redux Toolkit 2.5.0 and React-Redux 9.2.0 with React 19 support
- **2025** — Speaking at React Summit and All Things Open 2025 on state of React and performance optimization

## Achievements

- Primary maintainer of Redux since 2016, one of the most downloaded npm packages in existence
- Creator of Redux Toolkit - the modern standard for writing Redux logic
- Designed and implemented React-Redux v7 and v8 including the hooks API
- Wrote Redux Essentials and Redux Fundamentals - the official Redux documentation tutorials
- Maintains redux, react-redux, redux-toolkit, and reselect simultaneously
- Created 'Practical Redux' blog series converted into an interactive course on Educative.io
- Built the react-redux-links GitHub repository - a curated archive of React and Redux learning resources
- Released Redux Toolkit 2.5.0 and React-Redux 9.2.0 with full React 19 support
- Regular conference speaker at React Summit, React Advanced, React Boston, React Rally, All Things Open
- Admin in Reactiflux Discord server, moderator of /r/reactjs

## Latest updates

- **2025-06** — Speaking at React Summit 2025 on 'The State of React and the Community in 2025'
- **2025-05** — Speaking at All Things Open 2025 on performance optimization
- **2025-03** — Presenting 'How I Made Immer Twice as Fast: Performance Optimization in Practice'
- **2024-12** — Released Redux Toolkit 2.5.0 with React 19 support
- **2024-12** — Released React-Redux 9.2.0 with React 19 support
- **2024-04** — Spoke at React Connection 2024 on 'Why You Should Use Redux in 2024'

## Links

- Website: https://acemarke.dev/
- LinkedIn: https://www.linkedin.com/in/markerikson
- Twitter/X: https://twitter.com/acemarke
- GitHub: https://github.com/markerikson

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Profile page: https://yespress.io/mark-erikson
Published by YesPress — https://yespress.io
Last updated: 2026-04-21