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DTSTAMP:20251014T105515Z
SUMMARY:Enhancing Fairness in Machine Learning: Identifying and Mitigating Bias with a Focus on Gender Bias in Finance\n\nDr. Ángel Pavón Pérez
DTSTART:20251014T103000Z
DTEND:20251014T113000Z
DESCRIPTION:\n	Machine Learning systems increasingly shape critical decisions—who gets a loan\, who receives healthcare support\, who’s flagged for risk. However\, the data behind these systems often reflects historical and societal biases\, leading to unfair and potentially harmful outcomes\, particularly for marginalised groups. In this talk\, I’ll explore three core challenges in addressing bias in machine learning\, drawing from my thesis research in the financial domain where gender bias is particularly embedded:\n	\n	1. Hidden bias in the data – Sensitive attributes are often not explicitly included in datasets\, but bias creeps in through proxy variables. Detecting and mitigating these hidden proxies is a major challenge\, requiring methods that go beyond standard fairness checks.\n	2. Fairness without sensitive attributes – In many real-world scenarios\, we don’t have access to information like gender or race due to privacy or legal concerns. This makes it difficult to audit or mitigate bias\, raising the question: how do we build fair systems when we can&#39;t measure unfairness directly?\n	3. Conflicting fairness definitions – Fairness isn’t one-size-fits-all. There are multiple\, sometimes incompatible definitions of fairness\, and addressing one can worsen another.\n	\n	Understanding how to navigate and balance these trade-offs remains an open and complex problem. I’ll share how my work tackles each of these challenges—through proxy detection\, knowledge transfer methods\, and a large-scale study of bias mitigation strategies. The aim is to offer practical tools and insights for anyone working toward more responsible\, equitable AI systems.\n\n	<strong>Apologies - last minute network issues have prevented Live streaming of this event.</strong>
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