Stefan Birrer

Stefan Birrer Email and Phone Number

CTO and Co-Founder @ Kealu Inc.
Miami Beach, FL, US
Stefan Birrer's Location
Miami Beach, Florida, United States, United States
Stefan Birrer's Contact Details
About Stefan Birrer

Visionary technologist and entrepreneur with a proven track record of revolutionizing the real-time video streaming industry. With a Ph.D. in Distributed Systems and over 15 years of experience, I've consistently pushed the boundaries of what's possible in digital video delivery.Key Highlights:• Co-founded and scaled Phenix, a leader in real-time video solutions, supporting 500,000+ concurrent viewers with near-zero latency• Pioneered innovative architectures that have set new industry standards for performance and reliability• Led engineering teams from startup phase to 65+ professionals, fostering cultures of innovation and excellence• Driven substantial business growth, consistently achieving 25%+ year-over-year revenue increasesI'm passionate about solving complex technical challenges and translating cutting-edge research into real-world applications. My expertise spans distributed systems, cloud computing, and machine learning, with a focus on creating scalable, high-performance solutions that drive business success.Looking to connect with forward-thinking organizations and individuals interested in pushing the boundaries of video technology and distributed systems. Open to advisory roles, strategic partnerships, and new ventures in the tech space.Specialties: Real-time video streaming, distributed systems architecture, cloud computing, scalability, team leadership, strategic planning, and entrepreneurship.

Stefan Birrer's Current Company Details
Kealu Inc.

Kealu Inc.

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CTO and Co-Founder
Miami Beach, FL, US
Stefan Birrer Work Experience Details
  • Kealu Inc.
    Cto And Co-Founder
    Kealu Inc.
    Miami Beach, Fl, Us
  • Phenix Real Time Solutions
    Co-Founder & Chief Software Architect
    Phenix Real Time Solutions Sep 2019 - Present
    Chicago, Il, Us
    Driving innovation in real-time video streaming, leading a high-performance team to deliver cutting-edge solutions for the gambling, betting, and e-gaming industries.### Key Achievements:- Scaled engineering team from 15 to 65+ professionals in 3 years, fostering a culture of innovation and problem-solving- Reduced latency by 80+% and median time to first frame by 64%, significantly enhancing user experience- Drove 25+% year-over-year revenue growth and 20+% annual gross margin improvement- Maintained industry-leading 99.99% platform uptime through pioneering multi-cloud deployment### Technical Innovations:- Architected autonomous scaling and healing mechanisms supporting tens of thousands of concurrent channels and over a million viewers- Introduced critical features: VOD, time-shift replay, SRT support, ad insertion, SSAI, DRM, and ABR- Leveraged Google and Oracle Cloud to create resilient infrastructure, reducing cloud costs by 32%### Leadership & Strategy:- Translated strategic vision into actionable technical roadmaps, positioning Phenix as a market leader with 50+ enterprise clients- Forged partnerships with major sports brands and broadcasters, enhancing brand visibility and fan engagement- Implemented data-driven decision-making for quality assurance, streamlining deployments and proactively addressing challenges
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  • Phenix Real Time Solutions
    Ceo & Co-Founder
    Phenix Real Time Solutions Sep 2013 - Sep 2019
    Chicago, Il, Us
    Pioneered real-time video streaming solutions, driving innovation from concept to market leadership.### Key Achievements:- Spearheaded development of an end-to-end platform for signal capture, encoding, ingest, transcoding, composition, and global delivery- Scaled platform to support 250,000+ concurrent viewers and thousands of daily streams- Led Phenix to a second-place finish at TechCrunch Disrupt, earning an invitation to Buckingham Palace- Successfully pivoted from peer-to-peer model to a fully autonomous platform, enabling enterprise customers to generate $7+ billion in revenue### Leadership & Innovation:- Built and led a high-performing team of 15+ employees across engineering, marketing, and sales- Anticipated market needs, executing strategic pivot that positioned Phenix as a leader in the auction space- Leveraged Google Cloud, Node.js, and C++ to build a scalable, high-performance streaming platform
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  • Greater Zurich Area
    Honorary Ambassador
    Greater Zurich Area Nov 2021 - Present
    Zurich, Zh, Ch
    The Greater Zurich Ambassador program recognizes and honors individuals who have made exceptional contributions to the Greater Zurich Area, Switzerland. Awardees are entrepreneurs, executives, and influential figures whose achievements have significantly benefited the region.
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  • Sempitech Inc.
    Principal
    Sempitech Inc. Mar 2011 - 2016
    Delivered innovative software architecture solutions for diverse, high-profile clients.### Key Achievements:- Architected high-performance systems for clients including Phenix, Rabbit Inc., Symphono LLC, and SempiFi- Designed and implemented real-time video streaming, social video chat, and trading/messaging systems- Leveraged cloud technologies (Google Cloud, AWS) and machine learning techniques to build scalable, intelligent applications### Technical Expertise:- Developed complex distributed applications using Java, Node.js, C# and C++- Implemented genetic algorithms for peer-to-peer lending and momentum-based FX trading- Specialized in cloud-based, high-performance, and AI-driven solutions
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  • Dosensio, Inc.
    Co-Founder And President
    Dosensio, Inc. Sep 2008 - Feb 2011
    Led development of pioneering enterprise document sharing solutions.### Key Achievements:- Co-founded and led all aspects of the business, including product design, research, and engineering- Developed Java-based SOAP-compliant platform for seamless document sharing across computers- Integrated platform with Windows file system, enabling real-time synchronization with cloud-based SharePoint backend### Leadership & Technical Innovation:- Led a team of five, including four engineers, to deliver cutting-edge document sharing technology- Overcame complex technical challenges to replicate local file system simplicity in a cloud environment- Balanced business leadership with hands-on technical development
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  • Neokast Llc
    Co-Founder & President, Technology & Research
    Neokast Llc 2006 - Aug 2008
    Pioneered live video streaming solutions for the news and sports industry.### Key Achievements:- Co-founded and led technology and research division- Architected cutting-edge peer-to-peer streaming technology based on hybrid mesh and tree topology- Successfully launched product from conception to market- Managed and mentored a twelve-person engineering team### Technical Innovation:- Developed scalable distributed system for live video distribution- Overcame complex challenges in supporting high-demand audience needs- Focused on Java, C++, SOAP, and MySQL development
  • Nortwestern University
    Phd Candidate & Graduate Research Assistant
    Nortwestern University Sep 2002 - Jun 2008
    - Specialized in peer-to-peer overlay networks for resilient and bandwidth-optimized streaming- Authored 10+ peer-reviewed publications on routing algorithms and protocols- PhD Thesis: Developed novel algorithms for robust and efficient overlay networks
  • Ibm Research
    Research Coop
    Ibm Research Jun 2006 - Sep 2006
    Armonk, New York, Ny, Us
    - Developed compressed cache offload solution for enterprise storage servers- Contributed to patent filing (US20090210622A1) for data storage optimization- Conducted performance benchmarks for enterprise storage systems
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  • Ibm Research
    Research Coop
    Ibm Research Jun 2005 - Sep 2005
    Armonk, New York, Ny, Us
    - Conducted performance benchmarks for enterprise storage systems (DB2 on AIX on a DS8000 system)
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  • Siemens Building Technologies
    Software Engineer
    Siemens Building Technologies Jan 2002 - Aug 2002
    Munich, De
    - Developed web-based inventory management system for HVAC and electrical building systems- Utilized C#, ASP.NET, MSSQL, and eXtreme Programming methodologies
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  • Zeitgeist Interactive
    Programmer
    Zeitgeist Interactive May 2001 - Aug 2002
    - Developed user-friendly web-based content management system (CMS)- Implemented features including user roles, content versioning, and performance optimization
  • Inovatech Hf
    Teacher
    Inovatech Hf Jan 2001 - Dec 2001
    - Developed and taught introductory C programming course- Achieved 100% student pass rate
  • Muller Martini Electronic Ag
    Electronic Specialist
    Muller Martini Electronic Ag Aug 1993 - Jul 1999
    Hauppauge, New York, Us
    - Designed, developed, and maintained electronic components for post-print processing machinery- Optimized assembly code for limited ROM memory and designed custom compute units
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Stefan Birrer Skills

Software Development Agile Methodologies .net Java Databases Entrepreneurship Cloud Computing Enterprise Software Software Engineering C++ Linux C# Web Services Web Applications Soa Enterprise Architecture Mobile Applications Mysql Distributed Systems Software Design Scrum Php Solid Javascript Test Driven Development Team Management Application Development Unix Windows Python Node.js Soap Rest Agile Project Management Scalability Amazon Ec2 Android System Architecture Big Data Redis Gae/j S3 Mongodb Nosql Mssql Postgresql Gwt

Stefan Birrer Education Details

  • Northwestern University
    Northwestern University
    Computer Science
  • Northwestern University
    Northwestern University
    Computer Science
  • Fh Aargau
    Fh Aargau
    Computer Science

Frequently Asked Questions about Stefan Birrer

What company does Stefan Birrer work for?

Stefan Birrer works for Kealu Inc.

What is Stefan Birrer's role at the current company?

Stefan Birrer's current role is CTO and Co-Founder.

What is Stefan Birrer's email address?

Stefan Birrer's email address is st****@****ail.com

What is Stefan Birrer's direct phone number?

Stefan Birrer's direct phone number is +177344*****

What schools did Stefan Birrer attend?

Stefan Birrer attended Northwestern University, Northwestern University, Fh Aargau.

What skills is Stefan Birrer known for?

Stefan Birrer has skills like Software Development, Agile Methodologies, .net, Java, Databases, Entrepreneurship, Cloud Computing, Enterprise Software, Software Engineering, C++, Linux, C#.

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