Brendon MacKeen

Brendon MacKeen is a skilled data professional with extensive experience in data analysis and machine learning applications. Currently serving as a Standards & Enforcement Specialist at Substack since March 2025, Brendon previously worked at Discord as a Data Analyst from July 2021 to February 2024, where significant contributions included developing automated moderation tools and image recognition models for products reaching over 150 million monthly active users. Prior experience includes a Data Analyst role at Sentropy Technologies, where machine learning models were developed across various languages and abuse categories, and a Data Quality Analyst position at Apple, focused on enhancing data workflows. Brendon commenced a career as a QA Specialist at SeraCare Life Sciences. Educationally, Brendon holds dual Bachelor of Arts degrees in Spanish Language and Literature and Linguistic Anthropology from the University of Massachusetts Amherst.