# David Adrián - Personal Website > David Adrián is a CTO & Co-Founder at WhiteBox, DataMarket, and FEN Technology. He writes about AI, Data Science, Python, Machine Learning, and Data Engineering. ## About - Name: David Adrián Cañones Castellano - Role: CTO & Co-Founder - Companies: WhiteBox (AI & Software consulting), DataMarket (DaaS platform), FEN Technology (Deep-tech R&D funding) - Location: Madrid, Spain - Website: https://davidadrian.cc - LinkedIn: https://www.linkedin.com/in/davidadrian/ - GitHub: https://github.com/dcanones - X/Twitter: https://x.com/dcanones ## Sections - [Blog](https://davidadrian.cc/blog/): Technical articles about Data Science, Python, Machine Learning, and AI - [CV](https://davidadrian.cc/cv/): Full curriculum vitae and professional experience - [Consulting](https://whiteboxml.com): AI & Data consulting services via WhiteBox ## Blog Posts - [The definitive guide to Python virtual environments with conda](https://davidadrian.cc/blog/the-definitive-guide-to-python-virtual-environments-with-conda/): Comprehensive tutorial on conda virtual environments — installation, management, sharing, packaging, and best practices. - [The online courses you must take to be a better Data Scientist](https://davidadrian.cc/blog/top-courses-data-science/): Curated list of the best online courses for Data Science, from Python to Deep Learning. - [The Definitive Data Scientist Environment Setup](https://davidadrian.cc/blog/definitive-data-scientist-setup/): Hardware and software setup guide for professional Data Science development environments. - [COVID-19 quarantine reflections - day 7](https://davidadrian.cc/blog/covid-19-quarantine-data-science-day-7/): How AI and Data Science can help mitigate a global pandemic. - [Analysis of the prices of high-speed train tickets in Spain](https://davidadrian.cc/blog/train-tickets-price-analysis/): Data analysis of AVE train ticket pricing using Python. - [Our experience as Lead Teachers at Ironhack](https://davidadrian.cc/blog/experience-lead-teachers-ironhack/): Teaching Data Science at Ironhack bootcamp. - [Save money self-hosting your own apps](https://davidadrian.cc/blog/save-money-going-self-hosted/): Guide to self-hosting alternatives to popular cloud services. - [Set up an Apache Spark cluster and integrate with Jupyter Notebook](https://davidadrian.cc/blog/how-to-spark-cluster-jupyter/): Step-by-step Spark cluster setup tutorial. - [Hadoop with Python](https://davidadrian.cc/blog/python-hadoop/): Tutorial on interacting with Hadoop using Python. - [Lessons learned from 5 years doing Data Science](https://davidadrian.cc/blog/data-science-lessons/): Reflections on 5 years in the Data Science field. ## Topics Tutorials, Data Science, Machine Learning, Python, conda, Spark, Hadoop, self-hosting, teaching, analysis