Hello, World! 👋

Andres
Herranz González

Data Scientist

Passionate about artificial intelligence and data science. Currently leading AI innovations at Santander Global, building conversational agents and AI solutions deployed worldwide.

Top 27
Kaggle Ranking
10+
Years Experience
25+
ML Projects
AI
Master's Degree
Let's Connect
Andres Herranz Gonzalez

About Me

Passionate entrepreneur and AI researcher with a proven track record of transforming complex problems into innovative solutions

My Journey

I am an entrepreneur passionate about artificial intelligence, data science, and research. My journey began with a Computer Engineering degree from Complutense University of Madrid, followed by a Master's in AI from Polytechnic University of Madrid.

Throughout my career, I've worked at leading companies like Sky (MakerDAO), Abacus.ai, and AON, developing cutting-edge AI solutions across retail, healthcare, insurance, finance, and 5G sectors.

Currently, I'm Director of Data Science at Santander Global, leading the Conversational AI chapter and serving as Product Owner of the Quality Evaluation Framework. I build voice and text agents and AI solutions that reach Santander's 180M+ customers worldwide.

Technical Expertise

Python
95%
Data Science
94%
Machine Learning
92%
Statistics
89%
MLOps
85%
AWS/Azure
84%

Key Achievements

Kaggle Grandmaster

Kaggle Grandmaster

World's 49th person to achieve Notebooks Grandmaster rank

Z by HP Ambassador

Z by HP Ambassador

Global Data Scientist Ambassador for Z by HP program

José Cuena Award

Excellence in AI Master's program at Polytechnic University

Innovation Leader

Leading next-gen AI solutions in finance and legal sectors

Technologies & Tools

Python
TensorFlow
PyTorch
Scikit-learn
AWS
Azure
Docker
Kubernetes
Apache Spark
H2O.ai
XGBoost
OpenCV
PostgreSQL
MongoDB
Redis
Apache Kafka
Git
Jupyter
MLflow
Apache Airflow
React
JavaScript
Solidity
Blockchain

Professional Experience

A journey through leading tech companies, building AI solutions that make a real impact

Current Role
January 2026 - Present

Director of Data Science

Banco Santander logoBanco Santander
Madrid, Spain (Global HQ)

Leading the global Conversational AI chapter and, as Product Owner of the Quality Evaluation Framework, redefining how AI agents and solutions are evaluated so quality keeps pace with speed.

Key Achievements

  • Science owner of the global Conversational chapter - voice and text, internal and external agents deployed across the group
  • Product Owner of the Quality Evaluation Framework - when anyone can build agents by looping, evaluation is the real differentiator: capturing what to fix and feeding it back, the way training signal drives traditional ML
  • Part of the leadership team for The Knowledge Base, one of the largest initiatives to centralize enterprise knowledge across the bank
  • Building solutions that serve 180M+ customers and 185k+ employees globally, partnering with countries around the world

Technologies Used

Conversational AILLM AgentsVoice AIAI EvaluationGenerative AI
Previous Role
September 2024 - January 2026

Lead Data Scientist

Sky - Archon Labs (MakerDAO) logoSky - Archon Labs (MakerDAO)
Remote

Leading next-generation AI capabilities in legal and finance ecosystems for the Sky protocol.

Key Achievements

  • Built Ski Agent - A production-grade AI agent from scratch to enhance sky.money app user experience
  • Developing new Allocation System for more accurate investment advice in DeFi protocols
  • Managing complex rule-based environments for financial risk management

Technologies Used

PythonAI AgentsDeFiBlockchainProduction ML
Previous Role
September 2022 - September 2024

Lead Data Scientist

Abacus.ai logoAbacus.ai
San Francisco, USA (Remote)

Helping global customers solve complex ML problems across multiple industries, from POC to production.

Key Achievements

  • Successfully implemented production models for large, well-known USA companies
  • Improved customer understanding and key metrics like ARPU across multiple industries
  • Worked on forecasting, predictive modeling, recommendation systems, and LLM-based challenges
  • Presented to C-level executives to improve team productivity and add business value

Technologies Used

Machine LearningMLOpsForecastingLLMsProduction Systems
Previous Role
March 2021 - September 2022

Senior Data Scientist

CoverWallet, an AON Company logoCoverWallet, an AON Company
Madrid, Spain

Full-cycle model development from inception to production with cloud providers and MLOps solutions.

Key Achievements

  • Developed and deployed ML models with REST APIs in cloud environments
  • Collaborated with business teams on advanced analytics for strategic decision making
  • Created and promoted new insurance products, adding value to existing offerings
  • Worked directly with stakeholders to drive product innovation

Technologies Used

PythonREST APIsCloud ComputingMLOpsAdvanced Analytics
Previous Role
March 2020 - March 2021

Data Scientist

Orange logoOrange
Madrid, Spain

Predictive algorithm modeling to increase company portfolio value using advanced ML techniques.

Key Achievements

  • Developed predictive models from conception through POC to production deployment
  • Utilized AWS clusters with H2O and Sparkling Water for Spark integration
  • Performed comprehensive exploratory analysis and feature selection
  • Implemented AutoML solutions and hyperparameter optimization

Technologies Used

PythonH2OSparkAWSAutoMLJupyter
Previous Role
July 2019 - March 2020

Data Scientist & Big Data Architect

INECO logoINECO
Madrid, Spain

5G pioneer project focusing on drone management and real-time video analysis for railway automation.

Key Achievements

  • Developed Big Data services for Eurocontrol flight data management (ETL processes)
  • Created predictive models and classification algorithms using Python and Spark
  • Built 5G-based drone management system with real-time video analysis
  • Implemented TensorFlow and Keras solutions on AWS infrastructure

Technologies Used

PythonSparkTensorFlowKeras5GAWSComputer Vision
Academic
October 2018 - July 2019

Researcher & Developer

Polytechnic University of Madrid logoPolytechnic University of Madrid
Madrid, Spain

Research on revenue management methodology for hotels using multi-objective optimization.

Key Achievements

  • Developed methodology based on metaheuristics and game theory (ARA)
  • Applied statistical models and regression techniques for revenue optimization
  • Conducted research in multi-objective optimization for hospitality industry
  • Published findings on Adversary Risk Analysis applications

Technologies Used

PythonJupyterMetaheuristicsGame TheoryStatistical Modeling
10+
Years Experience
7
Companies
25+
ML Projects
5+
Industries

Featured Projects

From cutting-edge AI agents to award-winning cybersecurity solutions, here are some projects that showcase my expertise in AI and data science

Kaggle Grandmaster

World's 49th person to achieve Notebooks Grandmaster rank

#27
Global Rank
20+
Notebooks
1K+
Followers
5K+
Total Votes

Quality Evaluation Framework

AI Quality & Evaluation

In Development

Strategic, group-wide framework that redefines how AI agents and solutions are evaluated. When anyone can build agents by running loops, the real differentiator is evaluation: capturing what to fix and feeding it back, bringing the rigor of machine-learning feedback loops to building any AI system.

Key Highlights

  • Product Owner driving the strategy across Santander Global
  • Turns evaluation into the feedback engine that improves agent loops
  • Captures what to fix and feeds it back, like ML training signal
  • Keeps quality ahead of speed so AI stays trustworthy at scale

Technologies

AI EvaluationLLM-as-a-JudgeAI AgentsBenchmarkingPython

Impact

Defining how AI quality is measured for 180M+ customers worldwide

Sky AI Agent

AI Agent / DeFi

Production

Production-grade conversational AI agent built from scratch to enhance the Sky.money ecosystem. Features multiple capabilities designed to interact with and enhance user experience in DeFi protocols.

Key Highlights

  • Built entirely from scratch for Sky (MakerDAO) ecosystem
  • Production-ready with enterprise-grade architecture
  • Multi-modal capabilities for complex DeFi interactions
  • Real-time protocol integration

Technologies

PythonLarge Language ModelsDeFiBlockchainProduction ML

Impact

Enhanced user experience for the Sky.money platform

DeFi Allocation System

Financial AI

In Development

Next-generation allocation system providing accurate investment advice for DeFi protocols. Handles complex fund management with advanced risk assessment and optimization algorithms.

Key Highlights

  • Advanced risk assessment for DeFi investments
  • Multi-objective optimization for fund allocation
  • Real-time market data integration
  • Game-changing impact on protocol fund management

Technologies

PythonOptimization AlgorithmsRisk ManagementDeFi Protocols

Impact

Improving investment accuracy for major DeFi protocol

Enterprise ML Platform

Machine Learning

Production

Comprehensive machine learning platform serving multiple Fortune 500 companies. Features forecasting, predictive modeling, recommendation systems, and LLM-based solutions.

Key Highlights

  • Deployed to production for major USA companies
  • Improved customer ARPU and key business metrics
  • Full MLOps pipeline with automated model deployment
  • Scalable architecture serving millions of users

Technologies

PythonMLOpsForecastingRecommendation SystemsAutoML

Impact

Enhanced productivity and revenue for multiple enterprises

Revenue Management AI

Financial AI

Research

Innovative methodology for hotel revenue management using multi-objective optimization and Adversary Risk Analysis (ARA) based on game theory.

Key Highlights

  • Multi-objective optimization using metaheuristics
  • Game theory application (Adversary Risk Analysis)
  • Statistical modeling for revenue prediction
  • Research conducted at Polytechnic University of Madrid

Technologies

PythonMetaheuristicsGame TheoryStatistical ModelingOptimization

Impact

Advancing revenue optimization in hospitality industry

5G Railway Analytics

Computer Vision / 5G

Research

Pioneer 5G project for drone-based railway monitoring with real-time video analysis. Automated remote analysis tasks using computer vision and deep learning.

Key Highlights

  • 5G pioneer project in railway industry
  • Real-time video analysis for safety monitoring
  • Automated drone management system
  • Edge computing with 5G connectivity

Technologies

PythonTensorFlowKerasComputer Vision5GDrone TechnologyAWS

Impact

Advancing railway safety through 5G and AI

Interested in Collaboration?

I'm always excited to work on innovative AI projects and contribute to open-source initiatives. Let's build something amazing together!

Let's Connect

Interested in collaboration, have a project in mind, or just want to say hello? I'd love to hear from you!

Follow My Work

Availability

StatusActively Working on many Projects!
Response TimeWithin 24 hours
TimezoneCET (Madrid)

Send Message

Prefer direct email?andresherranz999@gmail.com