Vedran K.
Staff - Ml & Ai Safety Lead @Reddit, Inc.
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WORK HISTORY
Staff - Ml & Ai Safety Lead @Reddit, Inc.
Berlin, DE
Leading the creation of Reddit\'s model development lifecycle for safety LLMs. Defined and now own the end-to-end process:policy codification, prompt engineering, golden set validation, model launch, and production monitoring. Serve as the policy SME in a cross-functional partnership between Ops and ML to develop custom-trained content moderation models. Built internal tooling for automated model performance analysis and maintenance. Directly responsible for model behavior.
EDUCATION
Ryerson University
Bachelors, Business Management, Marketing
The London School of Economics and Political Science (LSE)
Public Policy Analysis
Charles University
Master’s Degree, International Economic and Political Studies
Sciences Po Bordeaux
Master's degree, International Economic and Political Studies
ABOUT VEDRAN K.
I own the end-to-end lifecycle of how safety policies become production ML models at Reddit, from policy codification through prompt engineering, evaluation, launch, and monitoring. My work sits at the intersection of policy, ML, and operations. I define the policies that LLMs enforce, build the evaluation frameworks that validate model behavior against those policies, and operate the systems that catch when models drift.I\'ve built this discipline from scratch at Reddit, where it didn\'t previously exist.Current focus areas:Designing and leading the model development cycleBuilding automated model maintenance pipelines that detect performance degradation and trigger retrainingPolicy codification: turning human-written safety policies into structured, versioned artifacts that directly feed model prompts and training dataStack: Python, SQL, BigQuery, LLM prompt engineering, Gemini, evaluation framework design.
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