Manu Joseph is a self-made data scientist with 15+ years of cross-functional experience spanning analytics, machine learning, and AI research. He is a Principal Data Scientist at Walmart Global Tech India, where he applies cutting-edge ML systems at the scale of one of the world's largest retailers. Previously, he headed Applied Research at Thoucentric, bridging AI research and customer applications.
He has extensive experience working with Fortune 500 companies on digital and AI transformations — particularly in ML-based Demand Forecasting — and has distilled that expertise into a best-selling book on modern time series forecasting.
He is the creator and maintainer of PyTorch Tabular (2,000+ ⭐, thousands of monthly downloads) — a framework that makes deep learning for tabular data simple and accessible. He is also a contributor to NLTK, where he enhanced the Language Model module with multiple statistical models.
His primary research interests are time series, deep learning for tabular data, and LLMs. He has published 6 papers on ArXiv (h-index: 4, 98+ citations) and filed patents at Walmart in causal ML and conformal prediction.
Beyond the data, he is Manu J — author of The Artist (2024), a critically acclaimed psychological thriller praised by Dr. Shashi Tharoor — and the former creator of Little Pajama Tales, a children's bedtime podcast that reached families in 20+ countries.
📝 He writes about ML at deep-and-shallow.com | 🏆 AIM 40 Under 40 Data Scientists (2024)
- 🧠 Principal Data Scientist @ Walmart Global Tech India — large-scale retail ML
- 🔧 Creator of PyTorch Tabular — 2,000+ ⭐ open-source DL framework for tabular data
- 📚 6 ArXiv papers · h-index: 4 · 98 citations · 13 highly influential citations
- 📖 Co-author of Modern Time Series Forecasting with Python (Packt, 2nd Ed.)
- 🎤 Speaker at MLDS 2023 (Machine Learning Developers Summit, Analytics India Magazine)
- 🏅 AIM 40 Under 40 Data Scientists (Analytics India Magazine, 2024)
- ✍️ Fiction author — The Artist (psychological thriller, Paper Towns, 2024)
- 🎙️ Podcast creator — Little Pajama Tales, 1,000+ listeners across 20+ countries
6 papers · h-index: 4 · 98 citations · 13 highly influential citations — Semantic Scholar | Google Scholar
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Covers everything from classical methods (ARIMA, ETS) to ML (XGBoost, LightGBM) and deep learning (LSTMs, Transformers, N-BEATS, Probabilistic Forecasting). Industry-ready, end-to-end.
| Event / Platform | Year | Topic |
|---|---|---|
| Packt Workshop | 2026 | Modern Time Series Forecasting with Python (Hands-on) |
| MLDS 2023 | 2023 | Speaker — Machine Learning Developers Summit |
| ProjectPro Expert Talks | 2022 | Self-taught Data Scientist & Creator of PyTorch Tabular |
| OdinTalks | 2022 | Global Forecasting Models |
| DPhi / AI Planet | 2022 | Zero-Shot Text Classification — NLP Session |
| Packt Author Interview | 2022 | ML, Time Series, and Writing the Book |
I write psychological fiction under the pen name Manu J.
📚 The Artist (Paper Towns, 2024) — A dark multi-POV psychological thriller set between Trivandrum and Delhi. Critically acclaimed:
"A fluently written and blazingly paced thriller… an impressive debut." — Dr. Shashi Tharoor
"Introduces a promising new writer to the literary scene." — The New Indian Express
🎙️ I also created Little Pajama Tales — a children's bedtime podcast featuring AI-assisted fairy tales that reached 1,000+ listeners in 20+ countries. Concluded, but fondly remembered.
