Aivars Kalvāns is a FinTech developer, software architect, and consultant. He spent more than 18 years developing and architecting payment card software for acquiring and issuing, accounting and utility payments through mobile phones, ATMs, and POS terminals. At the moment he is a contractor for Ebury exploring the Foreign Exchange area of the FinTech landscape.

Amanda is an Engineering Manager at Vinta Software. She considers herself to be a hybrid professional, having a background in business and software engineering. Amanda enjoys getting into technical topics, having been a speaker at conferences such as DjangoCon US, DjangoCon Europe and Python Brasil in the past, but loves discussing the overlap and challenges around technical and non-technical domains. She’s a social introvert with a passion for cooking, writing, music, video games and (shockingly, based on her history) strength training. Her current goal is to be less chronically online and touch some grass from time to time.

Archana Vaidheeswaran leads AI safety initiatives at Apart Research and creates technical courses as a LinkedIn Learning Instructor. As a former Product Manager at Women Who Code, she architected systems serving a 350,000+ global community. Named among Singapore's 100 Women in Tech 2023, she combines her experience in TinyML research, AI security policy development, and large-scale system architecture to bridge the gap between theory and practice. As a Board Director at Women in Machine Learning and a fellow at Python Software Foundation, she champions responsible AI development through community-driven initiatives.

Cristián is is a serial conference and community organizer in many countries, and participates in different initiatives like the translation of the Python documentation into Spanish, PyLadies Berlin & Con, PyPI moderation, and a few more. He is one of the coordinators of the Python en Español initiative, that aims to gather all the Spanish speaking python communities in one place. Due to his contributions, he got awarded a PSF Fellowship in 2021 and got elected to the PSF Board of Directors in 2024. His day job is at The Qt Company, working as a team lead of the Qt for Python (PySide) project, and Qt Core (Berlin).

Daniel is a software engineer with a background in first, local, and then international and VC-backed startups. He's now the lead engineer at Reckon Digital, where he directs and coordinates several projects with clients such as the UN's World Food Programme.

Hi, I'm Daniel, a software engineer based in Barcelona with a knack for Data Science and Machine Learning.

I've worked in startups and scale-ups in Brazil, Germany, and the US, mostly building software with Python and Java.

I'm an open-source enthusiast and I've contributed to projects such as dask, xarray, geopandas, ibis, and datafusion-python bindings.

I'm a technologist, born and raised in sunny Lisbon, now based in Copenhagen. My work lies in the intersection of Machine Learning & AI, Data, Software, and People. I'm in love with Technology, and how it can improve people's lives.

In the past, I've worked in Consumer Electronics, Public Institutions, Big Three Management Consulting, and YC-backed startups. The common thread? Solving hard problems end-to-end.

Hacker, tabletop gamer, karate practitioner, musician and amateur cook.
Also I’m a software developer in my spare time, in python whenever possible.

Emma is actively involved in open source communities. She serves on the DISC Steering Committee of NumFOCUS. She's also a member of the PgUS Software Foundation, and the founder and organizer of the PG Armenia community group in Yerevan. She is a Developer Advocate, and she enjoys contributing to developer communities by mentoring, giving talks, and organizing meetups.

Gertrude is a solutions engineer at Paystack, specializing in cloud computing, software development, and cybersecurity. She is a mentor with Na’amal and volunteers with PyLadies Ghana. She supports underrepresented groups and fosters inclusive tech communities. She contributes to Everything Open Source and speaks at tech events on cloud security and her tech transition journey. She is passionate about empowering others and advocates for a thriving global tech ecosystem.

Giunio is a freelance software engineer working for research labs, gouvernmental institutions and startups across Europe.
He recently published the FastAPI Cookbook Packt edition.
He holds an Industrial Engineering degree from the University of Basilicata, Italy, and a PhD in numerical simulations from Paris-Saclay University, France.
He loves supporting education by sharing his knowledge in masterclasses and lectures in schools and universities.

I am a Data Scientist and a Researcher. As a programmer, I program with Python and PHP. More info - https://x.com/hamplustech | https://GitHub.com/hamplustech | https://LinkedIn.com/in/hamplustech

Lilinoe Harbottle is an Indigenous Data Scientist who bridges data algorithms, robotics, and healthcare. She leads AI initiatives at a San Francisco startup, developing models for autonomous systems and natural language processing. At Auris Health (Johnson & Johnson), she enhanced medical robotic systems, improving bronchoscopy and urology procedures. A champion for open source and inclusive tech communities, she is a Sequoyah Fellow of the American Indian Science & Engineering Society (AISES).

Back-End Software Engineer at CheckSec.
From Porto, Portugal.
More than 5 years of experience with Python and Django.
Focused in porting SPAs and developing Django applications using the hypermedia approach with HTMX and Alpine.js.
Helped build products in several markets such as education and real estate, including CMS platforms, GIS integration, and event management.
Multiple freelance projects deployed using these technologies.

With over 15 years of experience in Data Science, Marília Felismino Simões has held prominent roles in renowned companies such as TomTom and TNT/FedEx, where she led Data Science teams and oversaw TomTom's extensive worldwide e-commerce operations for map sales.

Marília brings a wealth of expertise in International Digital Business Management and Customer Intelligence Management, boasting over a decade of experience in both domains. Her unique blend of business acumen and analytical skills enables her to approach strategy, design, and business solutions development with a practical, evidence-based, and hands-on mindset.

Having spent a part of her life in global positions in Amsterdam, Marília has relocated to Lisbon, where she is passionately pursuing entrepreneurship. Alongside her husband, she co-founded ML Analytics, a boutique specialized in generating business value from company data using state-of-the-art Artificial Intelligence tools. The company operates multi-nationally with renowned clients such as ESA - European Space Agency.

As an independent consultant specializing in Data Science and Business Analytics, Marília and her team assist companies in leveraging their data to drive tangible business outcomes by applying state-of-the-art AI and Data science techniques, embodying her mantra of "Turning DATA into BUSINESS".

Senior software developer and architect with 12+ years of experience leading international teams, launching startups, speaking at technology conferences, writing and reviewing hundreds of thousands of lines of code, and сontributing to the open-source community as an award-winning code mentor.

Neeraj is a polyglot developer passionate about bridging different technologies. Over the years, he has worked on a variety of full-stack software and data-science applications, computational arts, and quantitative finance projects, embracing the challenge of creating innovative tools and applications. As an active Python community member, he has shared his expertise through talks and workshops at numerous conferences and meet-ups.

Pablo Galindo Salgado works in the Python Infrastructure team at the Software Infrastructure department at Bloomberg L.P. He is a CPython core developer and a Theoretical Physicist specializing in general relativity and black hole physics. He is currently serving on the Python Steering Council and he is the release manager for Python 3.10 and 3.11. He has also a cat but he does not code.

I have been working in tech for over 35 years, and now spend my time exploring emerging developer technologies to help developers understand how they work and how they can adopt them. I am passionate about open source, and how open source enables developers to innovate.

Rodrigo Girão Serrão is the author of multiple independently published books on Python, programming, and mathematics, and frequently blogs about those same topics.
Rodrigo has also presented talks and tutorials at some of the largest Python conferences in the world, including PyCon US, EuroPython, and multiple European PyCons.

By creating technical content that is easily digestible by those looking to improve their Python knowledge, Rodrigo is working to help everyone appreciate the elegance of the Python language and to make an effective use of the tools it provides.

When he is not working or writing, Rodrigo can be found playing board games, walking his dog, or exercising at the gym.

Developer at a large learning platform at FCT|FCCN (https://www.fccn.pt/), with a special interest in web accessibility and search engine optimization. I have a Bachelors degree in Multimedia Technologies and Communication and a Master degree in Computer Engineering. I do regular contributions to open source and am always looking for ways to help communities grow.

Stefanie Molin is a software engineer at Bloomberg in New York City, where she tackles tough problems in information security, particularly those revolving around data wrangling/visualization, building tools for gathering data, and knowledge sharing. She is also a core developer of numpydoc and the author of “Hands-On Data Analysis with Pandas: A Python data science handbook for data collection, wrangling, analysis, and visualization,” which is currently in its second edition and has been translated into Korean and Chinese. She holds a bachelor’s of science degree in operations research from Columbia University's Fu Foundation School of Engineering and Applied Science, as well as a master’s degree in computer science, with a specialization in machine learning, from Georgia Tech. In her free time, she enjoys traveling the world, inventing new recipes, and learning new languages spoken among both people and computers.

Ansab is a seasoned data scientist and AI engineer with extensive experience in building robust AI models and solving complex data challenges in his Software Engineering career. Passionate about technology and data-driven innovation, has worked on diverse projects that emphasize quality, scalability, and adaptability in software systems. Through his work, he aims to empower teams to develop smarter, more inclusive data-driven solutions.