Regression to the Mean
Daniel Garcia Hernandez
Madrid, Spain
IE School of Science and Technology
+34 609 323 901
Experience
Head of Data Solutions and Engineering - Madrid, Spain
January 2024 – Present
- Lead and manage a team of 7 data professionals, between Data Engineers, Analytics Engineers, and Data Scientists.
- Migrated from Airflow + dbt core to dbt Cloud, improving reliability and maintainability of ETL/ELT pipelines.
- Substituted Sales Commissions external tool with in-house solution, reducing costs by 80k/year and increasing flexibility.
- Lead the integration of data from 2 companies after a merger, ensuring data consistency and accessibility across the organization.
Manager Analytics, Data Scientist, Yaba - Madrid, Spain
December 2021 – January 2024
- Spearheaded the development of cutting-edge analytics tools, including demand forecasters and sales sensitivity dashboards.
- Led a dynamic team to create powerful analytics solutions using Python, dbt, BigQuery, Looker, and Hex.
- Partnered with operations and finance teams to enhance data-driven decision-making processes.
Manager Data & AI, Westinghouse Electric Company - Madrid, Spain
June 2021 - December 2021
- Directed data science projects, ensuring alignment with business goals and successful delivery.
- Formulated and executed the data strategy for the Data & AI team, driving innovative data utilization.
- Built and led a high-performing team of 16, significantly boosting the company’s analytics capabilities.
Adjunct Professor, IE School of Science and Technology - Madrid, Spain
January 2020 - Present
- Delivered engaging courses in Python for Data Analytics I & II and Machine Learning 2.
- Honored as the Best Professor in Masters in Big Data for 2023 and 2024, showcasing excellence in teaching and student engagement.
Team Lead Advanced Analytics, Data Scientist, Axpo - Madrid, Spain
November 2017 – June 2021
- Engineered and deployed profitable energy trading models using Machine Learning, generating approximately 1M€/year.
- Founded and led the Advanced Analytics team in Spain, managing a team of 4 to deliver high-impact analytics solutions.
- Produced ad-hoc reports and analyses to support the trading team, enabling data-driven trading decisions.
Energy Trader, Acciona Energía - Madrid, Spain
Dec 2014 – Nov 2017
- Executed strategic daily and intraday trades in the Spanish Power Market, optimizing portfolio performance.
- Developed advanced VBA-based analytics tools for market analysis, enhancing decision-making processes.
- Created and maintained comprehensive reports and dashboards in Excel, providing actionable insights.
Education
- Maven, Modern Forecasting in Practice. 2024
- IMD Business School, Leadership Essentials. **2020
- K-School, Deep Learning Expert Course 2019
- K-School, MSc Data Science (all but thesis). 2017
- Universidad Politécnica de Madrid, BSc+MSc Mining and Energy Engineering. 2014
Technologies
Programming: Python, SQL, VBA
Machine Learning and Forecasting: scikit-learn, keras, nixtla, skforecast, pandas, numpy
Data Warehouse and ETL/ELT: Google BigQuery, dbt, Hightouch
Dashboards: Looker, Hex, Streamlit
Languages
English: Full professional proficiency
Spanish: Native proficiency