Alessandro Arrichiello is a computer enthusiast. He graduated in Computer Engineering from the University of Naples Federico II, Italy.

He has a passion for and knowledge of GNU/Linux systems that began at age of 14 and continues today. He is an independent Android developer, who develops apps for Google Play Store, and has strong knowledge of C++, Java, and other derivatives. He also has experience with many other interpreted languages such as Perl, PHP, and Python.

Alessandro is a proud open source supporter and has given his contribution to many collaborative projects developed for academic purposes.

Recently, he enriched his knowledge on Network Monitoring, focusing on Penetration Testing and Network Security in general.

At the moment, Alessandro is working as a software engineer in the Communications and Media Solution group of Hewlett Packard in Milan, Italy. He's involved in many business projects as a developer and technology consultant.

Alessandro has worked as a reviewer and author for Packt Publishing. He has technically reviewed the book, WebRTC Blueprints, and now, he's working on a video course on developing an application using the WebRTC technology.

Pasquale Boemio fell in love with Linux and the open source philosophy at the age of 12. He has a Master's degree in Computer Engineering, and he works as a researcher at the Computer Engineering department of the University of Naples Federico II, Italy. At the same time, he collaborates with Meetecho (www.meetecho.com), experimenting with a large number of innovative technologies such as WebRTC, Docker, and Node.js.

Even though Pasquale is involved in such activities, he still releases free software on GitHub (www.github.com/helloIAmPau).

Antón Román Portabales is the CTO of Quobis. After graduating as a telecommunications engineer, he began working in Motorola as an IMS developer. In 2008, he left Motorola to join Quobis, a Spanish company focused on SIP interconnection. It works for major operators and companies in Europe and South America. In 2010, he finished a Pre-PhD program in Telematics Engineering as the main author of a paper about the use of IMS networks to transmit real-time data from the electrical grid; he presented this paper in an IEEE conference in 2011.

He has been actively working on WebRTC since 2012, when Quobis decided to focus on this technology. He has recently got involved in the activities of IETF, along with other colleagues from Quobis. He also frequently participates in VoIP-related open source events.

Andrii Sergiienko is an entrepreneur who's passionate about IT and also about travelling. He has lived in different places, such as Ukraine, Russia, Belarus, Mongolia, Buryatia, and Siberia, spending a considerable number of years in every place. He also likes to travel by an auto rickshaw.

From his early childhood, Andrii was interested in computer programming and hardware. He took the first steps in this field more than 20 years ago. Andrii has experience in a wide set of languages and technologies, including C, C++, Java, Assembler, Erlang, JavaScript, PHP, Riak, shell scripting, computer networks, security, and so on.

During his career, Andrii has worked for both small, local companies, such as domestic ISP; and large world corporations, such as Hewlett Packard. He also started his own companies; some of them were relatively successful, while others were a total failure.

Today, Andrii is working on growing Oslikas, his company, headquartered in Estonia. The company is focused on modern IT technologies and solutions. They also develop a full-stack framework to create rich media WebRTC applications and services. You can find them at http://www.oslikas.com.