DHRUV SETHI
@dhruvsethi1998
Senior Data Scientist at Nielsen
Bengaluru, Karnataka, India
Dhruv Sethi is a Senior Data Scientist at Nielsen with a strong background in building large-scale machine learning pipelines and data products. He has extensive experience in MLOps, predictive modeling, and NLP, having previously driven significant revenue growth at MiQ. Dhruv holds a B.Tech in Electronics and Communication and a PG certification in Computational Data Science from IISc. His technical expertise spans Apache Airflow, PySpark, MLflow, and various machine learning frameworks including LightGBM and XGBoost.
Experience
Senior Data Scientist
Nielsen
Co-develop CTV viewer assignment pipeline (2B+ daily records, Apache Airflow orchestrated); LightGBM multiclass (121 classes) predicts which household member watched each ad impression. Own end-to-end production support with on-call debugging; resolved 2 critical incidents via root cause analysis. Implemented CI/CD workflow in GitLab with automated testing. Designed MLflow governance framework with artifact versioning and 3-stage rollback.
Data Scientist
MiQ
Drove stakeholder collaborations to deliver end-to-end data product pipelines, generating ~$3M+ revenue growth. Deployed XGBoost models for insurance tier prediction. Engineered MLOps pipelines processing 10M+ rows/week using Azure Databricks and PySpark. Co-developed multi-layer ML systems for cookieless targeting. Developed healthcare targeting frameworks using LLMs, BERT embeddings, and CatBoost.
Business Analyst
MiQ
Supported $300K+ in bookings by delivering custom analytic insights using SQL, PySpark, Python, and Tableau. Collaborated with data scientists on automated bidding strategies across 14 countries. Built 4 competitor density dashboards in Tableau, reducing team effort by 70%.
Education
IISc
PG Level Advanced Certification Programme
Computational Data Science
SRMIST
B. Tech
Electronics and Communication