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What My Clients Say

Executives and engineering leaders building with WebRTC share their experience working with me.

I have worked with hundreds of consultants across my Wall Street and startup career. I can categorically say that none have provided as much value as Tsahi Levent-Levi. He takes a very direct approach with his clients and is quick to let you know what falls inside and outside of his wheelhouse.

Michael J. Mackey
Chief Business Officer, 15 Seconds of Fame

We had the challenge of building a generative AI application with WebRTC video and audio broadcast. Thanks to our collaboration, we were able to reach the maintainer of the open-source repository and define an in-depth, sustainable solution to improve audio-visual sync. What I appreciated most about working with Tsahi is his proactive and informative approach.

Or Gorodissky
VP R&D, D-ID

Tsahi is a true WebRTC expert, and has also built a team that even further extends his agency’s expertise into client-side, back-end infrastructure and even user experience. He and his team provided us with a thorough diagnostic of how we were using WebRTC technologies and provided good, actionable feedback on how we could improve our products.

Costin Tuculescu
VP Collaboration, Product, Engineering, Intermedia

We’ve been working with Tsahi for months and his insights and understandings of both the technology and the marketplace have been extremely helpful and shortened our development cycles materially. He’s also extremely well connected and can find you a resource for any deeper dive you need.

Craig Walker
CEO, Dialpad

In a short period of time we have found Tsahi’s insights and suggestions on where to focus our efforts and which frameworks to use reduced the time it took us to reach our target and removed a lot of the risks involved in the process.

Eran Kalmanson
CTO, YouNow

Tsahi is a rare occurrence in our industry as he combines a laser sharp understanding of various technologies with a grasp of business strategy and market trends. There is simply no match to working with Tsahi when it’s about transcending the marketing noise, sales pitches and wishful thinking.

Itay Rosenfeld
CEO, Voxbone

WebRTC Insights enables us to focus on the user experience of our meetings platform, taking a lot of the pain points of WebRTC away. Quite often, these insights allowed our teams to resolve customer issues a lot faster than we did before.

Michael Fröhlich
Director of Engineering, GoTo

When my team and I started working on our CCaaS platform, we had very limited knowledge of WebRTC. Most of the content online was either too shallow or outdated. That’s when we discovered Tsahi and Philipp’s WebRTC Course and it completely changed things for us.

Vaibhav Gupta
Associate Vice President, Engineering, Sprinklr

During that period Tsahi helped us a lot to mature our WebRTC offering. Tsahi identified drawbacks in our offering and suggested innovative solutions that are effective and practical. If you want to save time and to do the right things without wasting a lot of time on wondering in various directions, you should get advice from an expert.

Avi Fisher
CEO, Surf Communication Solutions

For many years, I have had the pleasure of collaborating and learning. More than a technologist, Tsahi is an incredible coach and mentor. I would recommend him to anyone wanting to learn about this space, challenge their own status quo and help get the push needed to innovate.

Serge Lachapelle
Director of Product Management, Google Workspace

Tsahi’s contribution for our system design is very significant from both professionalism and Time To Market perspectives. I find Tsahi highly professional with great creativity and ability to think outside the box.

Yaron Cohen
Enterprise Architect, NICE Systems

Getting WebRTC working in large enterprises can be challenging due to their restrictive firewalls and policies. Tsahi reviewed all of our TURN server configuration and documentation, providing immediate insight into several areas that were tripping us up.

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Jason Catchpole
Team Lead, UneeQ

Tsahi has helped us to achieve our goal of converting our legacy VoIP services to a full WebRTC implementation end-to-end. With the help of his professional services and consulting we were able rapidly to deploy a Secure, Elastic and High-Performing infrastructure.

Alex Dizengof
Founder & CTO, Carbyne

We decided to change our architecture, to be simple, robust and scalable. After several meetings with Tsahi, we came to the understanding of how we need to treat, deploy and manage WebRTC servers in our architecture.

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Nir Eliyahu
CTO, newrow

Tsahi’s knowledge of the VoIP industry is amazing. He has been someone I have turned again and again for advice on SIP, WebRTC, and the VoIP industry in general. He has a long history in VoIP and has seen the industry evolve. His experiences are valuable and his advice has been spot on.

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Leo Papadopoulos
CTO, Cloud9 Technologies, LLC

I looked far and wide for someone with the knowledge and skill of Tsahi. A true expert in the WebRTC field and was able to provide the overview as well as the detailed information needed for me to move forward. He also provides notes and a video copy of all consults making reference after the meeting easy.

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Colin MacKenzie
MD, Telepsychiatry Associates

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