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Ethan Tong is the Co-founder and CEO of Humanloop, a company dedicated to helping developers build more reliable and steerable applications on top of large language models (LLMs). With a PhD in Machine Learning from the University of Cambridge, where his research focused on Bayesian deep learning and active learning, Ethan brings a strong academic and research background to the practical challenges of LLM development. He is passionate about bridging the gap between the capabilities of foundation models and the needs of real-world applications, emphasizing the importance of human feedback, data quality, and iterative improvement. At Humanloop, he leads the vision and strategy for creating tools that enable better prompt engineering, model evaluation, fine-tuning, and monitoring, ultimately aiming to make AI systems more trustworthy and aligned with human intentions.
Ethan Tong's work history includes a series of influential roles in various companies. Here is a detailed list of his professional journey:
Successfully co-founded and leads Humanloop, a venture-backed company providing a leading platform for building, evaluating, and fine-tuning applications powered by large language models. Humanloop helps teams close the loop between models and human feedback.
Completed doctoral research at the University of Cambridge, specializing in areas such as Bayesian deep learning and active learning, which are crucial for developing more efficient and data-aware AI systems. His work contributed to understanding how to make models learn more effectively from limited data.
Recognized as an influential voice in the practical application of large language models, frequently sharing insights on best practices for prompt engineering, model evaluation, fine-tuning, and the importance of human-in-the-loop systems for building reliable AI products.
Led Humanloop through the prestigious Y Combinator accelerator program (W21 batch), securing early-stage funding and mentorship to scale the company's vision.
The University of Hong Kong
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HumbleBee Capital is an early-stage venture capital firm based in Stockholm, Sweden, founded in 2020. They specialize in investing in purpose-driven founders who are building scalable technology companies with a positive impact, particularly in the Nordics. HumbleBee Capital typically invests in pre-seed and seed rounds, providing not only capital but also strategic support, access to their network, and operational guidance to help their portfolio companies grow and achieve their mission.
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