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Verified employee & interview reviews
San Francisco, California
Labelbox is a prominent technology company that operates as a leading provider of software and services designed for artificial intelligence (AI) data factory operations. Founded in 2018 by Manu Sharma, Dan Rasmuson, and Brian Rieger, the company is headquartered in the Mission District of San Francisco, California, with an additional collaborative hub located in Wroclaw, Poland. Labelbox has positioned itself at the critical crossroads of the AI boom by building a comprehensive data engine and infrastructure platform that helps world-class AI labs, research institutions, and Fortune 500 enterprises train, evaluate, and rapidly deploy frontier and task-specific machine learning models. The core offering of Labelbox revolves around resolving the data bottleneck inherent in developing deep-learning applications. Its software-first approach integrates advanced workflow automation, data curation, model evaluation tools, and workforce orchestration. This comprehensive suite allows companies to manage the labeling of unstructured data systematically, converting raw data into high-quality, structured learning signals. The platform supports diverse real-life use cases across multiple industries—including healthcare, life sciences, agriculture, and autonomous systems—powering applications like self-driving cars, smart robotics, and advanced text or speech recognition systems. A significant evolution in Labelbox’s strategy is its expansion into reinforcement learning from human feedback (RLHF) and post-training infrastructure. The company introduced its "Frontier RL Data" and "Expert Network" services, driven by its Alignerr platform. This network channels over 2.6 million knowledge contributors and highly educated experts across more than 200 domains and 40 countries. These experts provide the essential human-in-the-loop signal, preference data, rubrics, and benchmark generations required to fine-tune complex specialist models, enabling AI teams to build specialized agents that outperform general large language models on narrow enterprise tasks. Financially, Labelbox is a privately held, Series D-funded scale-up that has raised approximately $189 million in total funding across multiple investment rounds. Its early growth was anchored by a seed round involving First Round Capital and Kleiner Perkins, followed by a $25 million Series B in 2020 led by Andreessen Horowitz (a16z). In January 2022, the company secured a $110 million Series C round led by General Catalyst, with participation from major institutional backers including the SoftBank Vision Fund 2, B Capital Group, Databricks Ventures, and Gradient Ventures, pushing its valuation to around $1 billion. Led by CEO Manu Sharma, Labelbox employs a mid-sized global workforce of several hundred personnel who operate under a hybrid, hub-centric remote model. The corporate culture emphasizes high agency, technical excellence, and rapid execution to keep pace with the competitive AI data classification and intelligence market. By partnering with over 90% of leading AI labs in the United States, Labelbox continues to act as a foundational supplier of the "picks and shovels" powering the global transition toward artificial general intelligence.
Anonymous Employee
Employee review
Learned a ton here. Fast-paced but the people make it worth it.
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Zoya Siddiqui
Employee review
Solid work-life balance and managers who actually listen. Would recommend.
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Anonymous Employee
Employee review
Great place to grow — supportive teammates and real ownership of your work.
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