Appen
IT Services and IT ConsultingWashington, United States10001+ Employees
Appen operates in IT services and IT consulting, delivering an end-to-end data platform and human-in-the-loop services to support AI model development and optimization. It focuses on producing bespoke, human-generated data used to train, fine-tune, and evaluate models across generative AI, large language models, computer vision, and speech recognition. The firm emphasizes quality, scalability, and ethical AI practices to assist enterprises in deploying AI solutions. Headquartered in Kirkland, Washington, the company draws on a global network—more than one million contributors across more than 200 countries—to provide accurate and diverse datasets. Its offerings support critical AI workflows such as supervised fine-tuning, reinforcement learning with human feedback, model evaluation, and bias mitigation. The organization underlines a culture of innovation and collaboration, with focus on professional development and work-life balance within a dynamic, results-driven environment.
1-888-653-2347 
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