Defined
Seattle, US · Founded 2015 · 221 employees on LinkedIn · 5 known investors
Find your way into Defined
684 people in our graph share verified history with the Defined team — schools, employers, funds. One of them is your warm intro.
Ken Chenaultunlockedknows Daniela Braga, PhD · together at Chief (overlapped)
×6knows the team · via YPO
knows the team · via University of Washington
×4knows the team · via Chief
Defined.ai provides commercially-safe visual and language content datasets for training generative AI models, ensuring creator rights protection and regulatory compliance. The company serves AI/ML developers and enterprises building AI solutions across creative, social, and ecommerce sectors.
Founders & leadership
Defined was founded in 2015 by Daniela Braga and Daniela Braga, PhD.
DB

Daniela Bragain𝕏Founder & CEOShe started the company in 2015 as its president and chief scientist before moving into the CEO role, having previously led data science and crowdsourcing at VoiceBox Technologies. Her outside roles include board service with the Luso-American Development Foundation (FLAD), a seat on the Portuguese Diaspora Council, and a curatorship at the University of Porto Foundation.
DB

Daniela Braga, PhDinFounder and CEODaniela Braga holds a PhD and has over 20 years of experience in AI, including work in natural language processing, speech technologies, and machine learning; she founded Defined.ai, which provides training datasets for generative AI models.
Investors · 5
Competitors · 6
by search overlapNetezza156 shared keywordsIBM is a global technology company whose business spans enterprise software (including Red Hat, HashiCorp, and Confluent), IT infrastructure such as mainframes, servers, and storage, and IT consulting services. The company is also investing heavily in quantum computing and AI-based enterprise offerings, including its Lightwell open-source software security clearinghouse and the Anderon quantum wafer foundry.
DataCamp73 shared keywordsDataCamp is a learning platform for teams that teaches data and AI skills through hands-on coursework accessible via web browser and mobile app. It serves enterprise customers and development teams seeking to build technical capabilities.
Hugging Face72 shared keywordsHugging Face is a collaboration platform that hosts and provides access to machine learning models, datasets, and applications. It offers both open-source tools for the ML community and paid compute and enterprise solutions for teams building AI applications.
Encord69 shared keywordsEncord provides a data platform for developing and deploying multimodal AI systems, serving AI development teams at scale across training and production environments.
Super Annotate67 shared keywordsSuperAnnotate is a data platform used to build, manage, and refine training data for AI and machine learning models. It is positioned as a data pipeline partner for teams developing AI systems.
Moveworks64 shared keywordsMoveworks provides an AI assistant platform that enables enterprise employees to search and act across business applications, automating tasks and workflows through a reasoning engine with specialized AI agents. The platform serves entire workforces across IT, HR, procurement, and other departments, with support for over 100 languages and integration with 50+ business systems.
Companies competing with Defined for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
Frequently asked questions
- What does Defined do?
- Defined.ai provides commercially-safe visual and language content datasets for training generative AI models, ensuring creator rights protection and regulatory compliance. The company serves AI/ML developers and enterprises building AI solutions across creative, social, and ecommerce sectors.
- Who founded Defined?
- Defined was founded by Daniela Braga, Daniela Braga, PhD in 2015.
- Who are Defined's investors?
- Defined's investors include Evolution Equity Partners, Kibo Ventures, Semapa Next, Sony Ventures Corporation, Swan Venture Fund.
- Where is Defined headquartered?
- Defined is headquartered in Seattle, US.










