Behind the scenes
Stream was built on years of experience with creating streams for high-traffic websites. We enable you to quickly build scalable newsfeeds and activity streams.

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.
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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.
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Techstars NY
Accelerator
Techstars is the #1 startup accelerator in the world. Alumni include famous startups such as Sendgrid, Digital Ocean and Plated. Only 0.8% of applicants are accepted. Techstars mentors include Foursquare CEO Dennis Crowley, tumblr CEO David Karp, HubSpot co-founder and CTO Dharmesh Shah, and Fred Wilson of Union Square Ventures.
About Techstars
Alex Iskold
MD Techstars NYC & Mentor
Managing Director @ Techstars, NYC. Entrepreneur/Investor. 2x Founder: GetGlue and Info Lab. Tech startups, UX, VC, running, yoga, lots of pushups.
Angel List
Wayne Chang
Mentor/ Angel investor
Founder: @Crashlytics (acquired by @Twitter). Early involvement with: @Tablelist, @Napster & @Dropbox. Details at waynechang.com.
As a founder of Crashlytics, which was acquired by Twitter for 9 figures, Wayne is the ideal angel investor for Stream. I've personally used Crashlytics and it's an absolute joy to use. We're extremely happy to have Wayne on board as an angel investor and advisor.
Angel List
Jeff Seibert
Mentor/ Angel investor
Director, Mobile Platform @Twitter. Founder/CEO @Crashlytics - acquired by Twitter. Founder/COO of Increo - acquired by @Box. @Stanford '08 grad
Angel List
Paul Montagne
Advisor/ Angel investor
Paul is an entrepreneur and international investor with a proven track record. In 2004 he co-founded online ticket marketplace GetMeIn.com. In 2008 the company was acquired by Ticketmaster Corp. In 2009 he co-founded Overstappen.nl and GroupDeal.nl. GroupDeal grew to become the biggest daily deal website in the Netherlands and was acquired by Dutch media company TMG in 2014.
LinkedIn
Michael Ducker
Mentor/ Angel investor
Senior product manager at Twitter, Founding Product Manager of Digits - a simple, safe way of using your phone number to sign in to your favorite apps. We launched it during my keynote tech session at Twitter's flight conference. Previously focused on Twitter's consumer efforts on Mobile, Web, and Tablet. Currently focused on growing Twitter through international development.
Angel List
James Powell
Mentor/ Angel Investor
James' expertise with real time, personalized content and enterprise customers provides valuable insights to our team. As the CTO of Thomson Reuters for the past 10 years, he has a great deal of experience to share, both about the current market and how it will progress over the coming years.
Angel List
Ryan Spraetz
Mentor/ Angel investor
Problem Solver. I like bouldering, building, coding, and winning. Co-Founder @Keen IO . Previously technical product manager at @Salesforce. UIUC Engineering.
We're incredibly psyched to have Ryan on board as a lead mentor & angel investor. Keen.io is an amazing company and very similar to Stream with regards to the founding story, technology and business challenges.
Angel List
Olivier Pomel
Mentor
Co-founder at Datadog. Former Education data wrangler. Olivier & his co-founder Alexis have succeeded in building a powerful monitoring solution which works well with cloud infrastructure.
We've used Datadog for years and their business model, tech and challenges are comparable to Stream's. We're extremely happy that they are willing to be advisors to Stream.
Twitter
Fayez Mohamood
Mentor
Founder & CEO Bluecore, previously head of product BigDoor Media and microprocessor design engineer at AMD.
Fayez and Mahmoud from Bluecore have built an amazing company over the past years. It's great to get advice from such experienced entrepreneurs. I especially admire how they've both managed to set up an effective sales organization and build a strong product.
Angel List