
Coffee and Open Source
Join host Isaac Levin as he has great conversations with folks in the technology and Open Source Community
Latest episodes

Feb 27, 2025 • 1h 8min
Kee Jefferys
Kee Jefferys is the co-founder of Session, an encrypted messaging application that minimizes the collection of user metadata. Kee has been involved in numerous technological projects, specializing in decentralized networking and blockchain.As an active and engaged member of the privacy-preserving technology community, Kee regularly attends conferences and meetups centered around privacy protection, the fight for encryption, and ethical dataYou can find Kee on the following sites: LinkedIn X GitHubHere are some links provided by Kee: Session PLEASE SUBSCRIBE TO THE PODCAST Spotify Apple Podcasts YouTube Music Amazon Music RSS FeedYou can check out more episodes of Coffee and Open Source on https://www.coffeeandopensource.comCoffee and Open Source is hosted by Isaac Levin

Feb 11, 2025 • 1h 1min
Giorgi Dalakishvili
Giorgi is a software developer with almost two decades of experience. He works mainly with C#, ASP.NET Core, Entity Framework Core and .NET MAUI.Giorgi is an open-source author and contributor on GitHub, a Microsoft MVP, and a member of the .NET Foundation.You can find Giorgi on the following sites:XLinkedInGitHubWebsiteHere are some links provided by Giorgi:EFCore.VisualizerEFCore.Visualizer RepoEntityFramework.Exceptions RepoPLEASE SUBSCRIBE TO THE PODCASTSpotifyApple PodcastsYouTube MusicAmazon MusicRSS FeedYou can check out more episodes of Coffee and Open Source onhttps://www.coffeeandopensource.comCoffee and Open Source is hosted byIsaac Levin

Jan 14, 2025 • 1h 9min
Tanmai Gopal
Tanmai is the CEO of Hasura.io, a company he co-founded to develop software to simplify and accelerate application development. Before Hasura, he co-founded 34 Cross, a software development and consulting company focused on web and mobile development and helping Fortune 500 companies transition from monolithic to microservices architectures. While at 34 Cross, he also incubated two companies developing browser extensions, food delivery and food-finding apps for cities in India. Tanmai holds bachelor’s and master’s degrees in computer science from the Indian Institute of Technology, Madras.
You can find Tanmai on the following sites:
X
Here are some links provided by Tanmai:
Hasura
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You can check out more episodes of Coffee and Open Source on https://www.coffeeandopensource.com
Coffee and Open Source is hosted by Isaac Levin

Jan 7, 2025 • 1h 4min
Michelle Sandford
This is Michelle in her own words.
I am the Developer Engagement Lead for Microsoft in Asia as well as a Tedx Speaker, developer community mentor, Microsoftie and international conference Speaker. I live at the heart of the coding community and help drive awareness and engagement as a developer advocate and technology evangelist. I advocate for STEM, the Games Industry and Developers
You can find Michelle on the following sites:
Bluesky
LinkedIn
GitHub
YouTube
Here are some links provided by Michelle:
Tech Outsiders
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You can check out more episodes of Coffee and Open Source on https://www.coffeeandopensource.com
Coffee and Open Source is hosted by Isaac Levin

Dec 17, 2024 • 1h 7min
Jeramiah Dooley
Jeramiah Dooley (he/him) leads the advocacy team focused on Enterprise customers, making sure that the product and content are aligned for organizations who are using GitHub every day. For more than 19 years he has spent his career at the intersection of 'enterprise' and 'what's next' and is excited to focus on bringing the best experience possible to developers and platform teams.
Prior to GitHub, Jeramiah led the advocacy efforts around serverless container services at AWS, and was a Principal Cloud Advocate in Azure Engineering, leading the team that supported Enterprise Platforms and Tools. Jeramiah was also the Manager of NetApp’s Global Technical Pursuit team, focusing on helping customers and partners architect next generation solutions using their entire portfolio, focusing on VMware, OpenStack, and container integrations.
Jeramiah also has worked in the healthcare, legal and service provider industries.
You can find Jeramiah on the following sites:
Bluesky
LinkedIn
GitHub
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You can check out more episodes of Coffee and Open Source on https://www.coffeeandopensource.com
Coffee and Open Source is hosted by Isaac Levin

Nov 26, 2024 • 1h 3min
Magnus Mårtensson
Magnus Mårtensson is an entrepreneur, a Microsoft Most Valuable Professional (MVP) for Azure since the start of the cloud, and a Microsoft Regional Director (RD). He is a consultant, architect, product development lead, and he runs his own company Loftysoft. As an international speaker Magnus travels the world to teach, network, learn, and experience. His passions include connecting with audiences and organizing conferences such as CloudBurst and GlobalAzure. He is of course also very into good food, wine, and great company. Topping it all is mind-sharing, so when you see him at a conference, come over and say hi!
You can find Magnus on the following sites:
X
LinkedIn
GitHub
Website
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You can check out more episodes of Coffee and Open Source on https://www.coffeeandopensource.com
Coffee and Open Source is hosted by Isaac Levin

Nov 19, 2024 • 1h 6min
Mathias Buus Madsen
As CEO of Holepunch, Mathias brings his passion and extensive expertise in open-source development to the fore, having published more than 1000 modules to npm, the Node.js package manager, totalling billions of downloads every month.
Mathias Buus is a self taught JavaScript hacker from Copenhagen. He works full time on open source projects and has been working with Node.js since the 0.2 days. Mathias likes to work with P2P and distributed systems and is the author of more than 550 modules on npm, including some of the most popular ones for working with streams. In addition he has spoken about “mad science” projects at various conferences around the world.
You can find Mathias on the following sites:
X
LinkedIn
GitHub
Website
Here are some links provided by Mathias:
Pear Runtime
Keet
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You can check out more episodes of Coffee and Open Source on https://www.coffeeandopensource.com
Coffee and Open Source is hosted by Isaac Levin

Oct 22, 2024 • 1h 21min
Tessa Kriesel
Tessa Kriesel is the CEO of Built for Devs, where she fast-tracks developer tools from idea to essential. With over a decade in DevRel leadership at companies like Snap Inc. and Twitter, Tessa coaches early-stage startups and enterprises to build developer programs that drive adoption, innovation, and revenue. Her unique approach combines deep technical knowledge with strategic marketing, helping dev tools become indispensable parts of developers' workflows. A former engineering manager and self-taught open-source developer, Tessa bridges the gap between technical innovation and business success in the dev tools ecosystem.
You can find Tessa on the following sites:
Twitter
Website
Here are some links provided by Tessa:
Built For Dev
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You can check out more episodes of Coffee and Open Source on https://www.coffeeandopensource.com
Coffee and Open Source is hosted by Isaac Levin

Oct 15, 2024 • 1h 11min
Jamie Taylor
Jamie is a software developer with 14 years' experience, a Microsoft MVP, 'Most Visionary Software Development & Consultancy Managing Director' awardee for 2023, and a skilled podcaster with 5 years in engaging content creation.
With a versatile tech toolkit, Jamie crafts tailored solutions, while his MVP status showcases his community commitment. His visionary leadership drives excellence, and his podcasting journey reflects his prowess in relatable communication. An inspiring multi-faceted professional, Jamie embodies dedication, innovation, and impactful change.
You can find Jamie on the following sites:
Twitter
Mastodon
GitHub
Here are some links provided by Jamie:
Modern .NET Show
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You can check out more episodes of Coffee and Open Source on https://www.coffeeandopensource.com
Coffee and Open Source is hosted by Isaac Levin

Sep 26, 2024 • 1h 2min
April Speight
April Speight began her career as a menswear stylist and visual merchandiser for brands such as Club Monaco, Saks, and Neiman Marcus. She graduated with a BS in Global Business & Public Policy from the University of Maryland and subsequently embarked on a career transition into tech. To close out her former career in fashion, she completed her Masters in Luxury & Fashion Management at the Savannah College of Art and Design - with a focus on the luxury automobile and luxury marijuana sectors.
In her spare time, she began to learn Python in hopes of becoming a data scientist. With a change of heart, she chose to focus on AI assistants, chat bots, and conversational design.
Always curious and always learning, she witnessed a life changing demo at a Microsoft event that set her on a new path in Extended Reality (XR). In 2020, she joined the Cloud Advocacy organization at Microsoft as a Sr. Cloud Advocate for Spatial Computing.
From 2020 - 2022, April became a thought leader in the XR space promoting safety, diversity, and inclusivity in the design of XR experiences. She served as the former Director of Community & Education for the XR Safety Initiative (XRSI), advising partners on XR curriculum.
Internally at Microsoft, she worked alongside the former Mixed Reality and MRTK teams. She created various XR samples, technical learning content, and was part of the team that won Silver in the 2021 Telly Awards for Remote Production – Non-Broadcast for Microsoft One Dev Question with April Speight. Before her transition to the Cloud Advocacy leadership team, April hosted the 2022 Mixed Reality Dev Days and collaborated with the current Microsoft Mesh team.
Today, she resides in Los Angeles as a Principal Cloud Advocate at Microsoft focused on Generative AI.
You can find April on the following sites:
Twitter
Website
GitHub
LinkedIn
Here are some links provided by April:
Bite-Size Python
Visual Studio Code for Python Programmers
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You can check out more episodes of Coffee and Open Source on https://www.coffeeandopensource.com
Coffee and Open Source is hosted by Isaac Levin