⁠Haley Nielsen

About me:

Haley works across eBay’s most complex risk environments, with over 15 years of experience spanning monitoring, anomaly detection, investigations, and incident response. She specializes in correlating signals across systems to identify emerging threats, uncover root causes, and drive rapid mitigation. She has been instrumental in building and scaling eBay’s Risk incident and detection capabilities into proactive, intelligence-driven systems that improve precision, reduce loss, and strengthen marketplace resilience.