Ralf is a developer for almost 30 years now and the CEO of Travello, an agency focused on Alexa Skill design and development. He is the author of several books about the Zend Framework, trainer and consultant. Since the beginning of 2017 Ralf designs and develops Alexa Skills for the Amazon Echo family. He is an expert in voice user interface design, author of phlexa, the PHP framework for building Alexa Skills, and was officially awarded Alexa Champion.
As a member of the advisory board for the Voice conference he has a focus on a wide variety of topics for the development, design and business tracks.
Patrick is founder and director of the Voice agency, VUI.agency. With a strong focus on voice UX, linguistics and voice design, VUI.agency specializes in strategy consulting, design and development of conversational applications like Alexa Skills and Google Actions. Patrick Esslinger is a voice enthusiast and an expert in the field of Voice User Interfaces. In his eyes, all efforts developing a voice application have to be built around the user’s needs. As an advisor he will be responsible for all topics related to voice strategy, voice UX and user centered approaches in the field of voice application development.
Sebastian is Chief Content Officer at S&S Media. He has been actively involved with the IT industry for more than 20 years. As a journalist he is constantly in touch with thought leaders in software development and architecture. He is editor in chief of the German speaking Java Magazin and program chair of the JAX conferences since 2001. Prior to joining S&S Media, he studied philosophy and anthropology in Frankfurt, Germany.