It's Nice To Meet You!

Stream was built on years of experience with creating streams for high-traffic apps. We're passionate about creating the best solution for building, scaling and personalizing feeds.

Contact Us View Features →

Open Source

Thierry and Tommaso built Stream-Framework, while working together in Amsterdam. With over 250,000 downloads it quickly became the leading open source feed solution.

Techstars NYC

Our strong open source project and time at Techstars enabled us to raise a seed round of 1.75 Million in August. Investors include Brad Feld/ FGAngels, TechStars Ventures, Tahoma Ventures, Social Starts, Galvanize and other independent angels.

Foundry Group Invested in Stream Techstars invested in Feed Startup Stream Social Starts back Social Feeds API Stream IO Galvanize Ventures backs Stream and their feed and notification API

Boulder & Amsterdam

After graduating from Techstars, Stream set up headquarters in beautiful Boulder, Colorado. With offices in Boulder and Amsterdam, we are able to attract some of the world's best talent and work nearly around the clock.

Thierry Schellenbach, CEO

Thierry graduated cum laude with honours from Erasmus university with a degree in business. At the age of 14, he started his first profitable site and discovered a passion for technology. Before founding Stream with Tommaso, he co-founded Fashiolista, which grew to be one of the world's largest social networks for fashion. He's the author of several widely used Python packages including Stream-Framework and Django-facebook and has more than 5 years of experience managing technology companies.

Tommaso Barbugli, CTO

Tommaso is an enthusiastic software developer. He discovered programming at a young age using an old Amstrad CPC464, since then he has continued to learn about and create new programs. While studying at high school he started focusing on web development and at age 19, he started his own software company after finishing his studies. Before founding Stream he worked together with Thierry at Fashiolista as Lead Engineer for a few years. He is the co-author of the open source Stream-Framework, Cassandra Snapshotter and several other libraries.

Our Team

Scott Lasica

When Scott isn't helping you sign up with Stream, you'll find him in a yoga class or running Boulder's beautiful trails.

Alessandro Pieri

12+ years of Java experience, 6 years working on highly scalable apps.

Joshua Tilton

Previously Lead Designer at SendGrid; responsible for team building, creative direction and user experience leadership.

Peter van Kampen

Peter has been programming since his early teens and still likes it, especially python and databases.

Jelte Fennema

Experienced Python developer with a BSc in Computer Science and a cum laude MSc in System & Network Engineering.

Max Klyga

A software engineer with a passion for learning, hobby game developer, and functional programming enthusiast.

Nick Parsons

Nick brings his passion to enhance the experience of Developers through open source contributions and interesting content. He's a master of javascript and a lover of the outdoors.

Balazs Horanyi

Balazs has a love of data, math, and programming. When he’s not enjoying Boulder’s beautiful outdoors, he’ll be working on personalizing your feeds and making sure your users stay engaged.

Horatiu Ion

Software engineer with a background in C++, Python and Perl. Besides coding he enjoys mountain biking, gaming and traveling.

Dani Feldman

Dani comes to Stream with a background in in healthcare staffing and sales. When not at Stream, you can find her hanging with her pup, exploring a new trail or seeing live music.

Hannah Bauhof

Hannah loves startups and culinary studies. When at home, she's fermenting food and beverages!

Jaap Bakker

Jaap likes music, movies, art and traveling. As a front-end developer he's worked for a couple different startups as a freelancer.

Marcelo Pires

Marcelo likes music, coffee and contributing to go open source projects.

Alexey Bukhtin

Alexey is inspired by mobile technologies and how they affect the world. He has been passionate about iOS development for more than 6 years.

Mircea Cosbuc

Mircea likes improv comedy, tennis and dancing. As a back end developer he enjoys designing complex systems and getting them deployed.

Kimberly Roppo

With a professional background in tech sales and an education in culinary arts, Kimberly loves nerding out about coffee, exploring new restaurants, and intertwining with other cultures through travel.

Advisors & Board Members

Patrick Meenan

Patrick Meenan

Board Member

Patrick is a Partner at Arthur Ventures where he invests in early-stage SaaS startups building anywhere outside of Silicon Valley.

John Ives

John Ives

Board Advisor

John brings over three decades of experience in the technology industry Stream's board. He co-founded Serano System, Boulder Angels and Tahoma Ventures. John has been a software and hardware engineer, an entrepreneur, an angel investor, and a venture capitalist.

Alex Iskold invests in Stream IO

Alex Iskold

Board Advisor

Alex is the managing director of Techstars NYC. He writes one of the must read blogs for entrepreneurs, Before focusing full time on helping enterpreneurs, he founded GetGlue and Information Laboratory.

ryan spraetz invests in Stream IO

Ryan Spraetz

Mentor / co-founder

Ryan likes bouldering, building, coding, and winning. Co-Founder @Keen IO. Previously technical product manager at @Salesforce. UIUC Engineering. Our team is incredibly psyched to have Ryan on board as a lead mentor & angel investor. is an amazing company and very similar to Stream with regards to the founding story, technology and business challenges.

Zero maintenance, lower monthly costs, and hundreds of hours of development time saved.