Sep 2023 – Oct 2025 · 2 yrs 1 mo · Noida, Uttar Pradesh, India

• Leading the Retrieval and Ranking Systems team at Microsoft Ads, powering ad relevance and monetization across 150+ global markets.
• Driving over $100M+ in incremental annual revenue through large-scale machine learning and distributed systems.
• Spearheading the technical and research strategy to improve ad quality, user engagement, and advertiser ROI.
• Managing a high-impact team of ~20 Applied Scientists, Data Scientists, and Software Engineers, delivering innovations at the intersection of AI and advertising.
• Operating at massive scale - retrieving from billions of ads and handling tens of thousands of queries per second - with a relentless focus on performance, relevance, and efficiency.
• Collaborating cross-functionally with product, research, and engineering teams to scale solutions.

Feb 2022 – Aug 2023 · 1 yr 6 mos · Noida, Uttar Pradesh, India

• Microsoft Advertising - Dense Retrieval for Text Ads

Aug 2019 – Feb 2022 · 2 yrs 6 mos

• Dynamic Personalization
• Session-based recommendations for anonymous users
• Handling popularity bias in data
• Deep Learning, Causal Inference, Deep Reinforcement Learning based methods
• Graph Neural Networks
• Domains: Retail, Travel, Hospitality
• Time Series Modeling
• Forecasting, Anomaly Detection, Prognostics, Classification
• Supervised Learning, Transfer Learning, Meta-Learning
• Recurrent Neural Networks, Convolutional Neural Networks, Graph Neural Networks
• Domains: IoT, Healthcare, Finance, Utilities

Aug 2011 – Jul 2019 · 7 yrs 11 mos