# Wes McKinney - Personal Website and Blog > Personal website and technical blog of Wes McKinney, creator of pandas and co-creator of Apache Arrow ## About Wes McKinney is an entrepreneur and open source software developer focusing on analytical computing. He is currently a Principal Architect at Posit PBC. He co-founded Voltron Data and now serves on its advisory board. ## Key Projects ### pandas - Python data analytics toolkit - Created in 2008, turned over to open source community in 2013 - One of the foundational tools in the Python data science ecosystem - https://pandas.pydata.org ### Apache Arrow - Co-creator and PMC member - Cross-language development platform for in-memory columnar data - Focuses on C++ and Python implementations - Helped design core Arrow format and start Flight, Nanoarrow, and ADBC subprojects - https://arrow.apache.org ### Ibis - Python DSL toolkit bringing together data frames and SQL - Created in 2015 at Cloudera - https://ibis-project.org ### Apache Parquet - PMC member - Principal author of C++ implementation and Python bindings - https://parquet.apache.org ### Python for Data Analysis - Book authored for O'Reilly Media - Three editions: 2012, 2017, 2022 - Translations in many languages - https://wesmckinney.com/book ## Site Structure ### Home Page (/) - Professional bio and background - Links to major projects - Current position and career history ### Blog (/archives.html) - Technical blog posts about: - Apache Arrow development and columnar data formats - pandas internals and performance - Python data science ecosystem - Parquet and data storage formats - Open source project updates - Career reflections and industry commentary ### Talks (/presentations.html) - Comprehensive archive of conference talks and podcasts (2010-present) - Keynotes at major conferences (SciPy, PyCon, JupyterCon, PyData) - Topics: Arrow, pandas, Python data ecosystem, analytics performance - Includes links to slides and videos where available ### Book (/book) - Online version of "Python for Data Analysis, 3rd Edition" - Comprehensive guide to data analysis with pandas and Python - Note: Built separately from main blog ## Content Topics The blog covers: - **Apache Arrow**: Architecture, performance, streaming, interoperability - **pandas**: Design decisions, internals, performance optimization - **Data formats**: Parquet, Feather, columnar storage - **Python ecosystem**: Tools, workflows, future directions - **Open source**: Community building, project governance, sustainability - **Career/Industry**: Personal reflections, company updates, data science trends - **Performance**: Benchmarks, optimization techniques, multithreading ## Professional Background - Current: Principal Architect at Posit PBC (2023-present) - Co-founded Voltron Data (advisory board) - Previously: Ursa Computing, Ursa Labs, Two Sigma, Cloudera, DataPad, AQR Capital Management - Education: S.B. in Mathematics from MIT (2007) - Member of The Apache Software Foundation ## Contact - Email: info@wesmckinney.com - GitHub: https://github.com/wesm - Twitter: @wesmckinn - LinkedIn: https://linkedin.com/in/wesmckinn ## Technical Details - Built with: Quarto 1.8.25 - Hosting: GitHub Pages - Analytics: Google Analytics - Monetization: EthicalAds (text ads on blog posts)