Artificial intelligence is becoming essential for HR functions, accessible in various HR technologies without the need for data scientists.A survey with 600 HR leaders and interviews with 20 early adopters of AI in HR revealed insights on ROI.Top 10 applications of AI in HR include personalized learning content generation and bias mitigation in hiring.HR functions reported a median ROI of 15% from investments in AI, with a range from 5% to over 55%.Calculating traditional ROI for AI in HR is challenging due to indirect returns and difficulty in quantifying benefits.