Omkar Vanjpe

About Omkar Vanjpe

Lead Data Scientist with 8 years transforming business challenges into AI and GenAI-powered solutions with measurable impact—including multi-million dollars in incremental revenue added for clients.I build end-to-end production AI systems specializing in- Personalization using Traditional and Deep Learning, Recommender Systems and Sequential Optimization using Reinforcement Learning - Deep Learning at scale (multi-task learning, incremental retraining, transfer learning and fine tuning)- LLM integration and Agentic applications (LangChain, LangGraph, RAG)- Rigorous model evaluation and in-market impact measurementI believe in problem-backwards thinking and rigorous measurement ensuring they deliver measurable business value through A/B testing, causal inference, and production-grade deployment.Currently exploring: LLM fine-tuning and alignment techniques, inference optimization.

Experience

1. Lead Data Scientist

   Fractal

   Nov 2023 — Present · Mumbai, IN

   Leading delivery of production AI systems with focus on GenAI integration and state-of-the-art techniques like knowledge graphs and reinforcement learning.Key Projects:• Next Best Action Sequence for Top Global Pharma with Graph Neural Networks and RL - Built the next best key message-channel-content sequential action for the pharma sales reps - Built off-policy RL system (IQL/CQL) on temporal knowledge graphs for sequential decision optimization under compliance constraints - Implemented doubly-robust off-policy evaluation, currently in market-feedback stage • Omnichannel Campaign Platform with GenAI for Top Australian Telecom - Reduced campaign launch time 93%(3 weeks → <2 days) via LangChain conversational AI with RAG - 500+ feature engineering + dynamic segmentation for B2B telecom

Education

• Indian Institute of Technology, Madras

  Bachelor of Technology (B.Tech.) and Master of Technology (M.Tech.), Electrical Engineering

  2013 — 2018