Voxxed Athens 2018 Speakers


Venkat Subramanian

Award-winning author, founder of Agile Developer, Inc.

Dr. Venkat Subramaniam is the creator of agilelearner.com, and an instructional professor at the University of Houston.

He has trained and mentored thousands of software developers in the US, Canada, Europe, and Asia, and is a regularly-invited speaker at several international conferences. Venkat helps his clients…



Ted Neward

“The Dude of Software”

“Ted Neward is sometimes referred to as “The Dude of Software”, owing to both his remarkable (some say frightening) resemblance to the Jeff Bridges character from “The Big Lebowski”, and his ordination as a Dudeist Minister of the Church of the Latter-Day Dude, but he’s also been called the “Dr. Gregory House of Software”, owing to his tendency to pull no punches when talking about software and how to deliver it successfully.


John Papa

Principal Developer Advocate @ Microsoft

Sponsored by 

John Papa is dedicated a father and husband, a Principal Developer Advocate with Microsoft, and alumnus of the Google Developer Expert, Microsoft RD and MVP programs. His passions are deploying and teaching modern web technologies and enjoying everything Disney with his family. John is a co-host of the popular Adventures in Angular podcast, author of the Angular Style Guide, and many popular Pluralsight courses.


Phil Estes

Docker Captain

Phil is a Distinguished Engineer & CTO, Container and Linux OS Architecture Strategy for the IBM Watson and Cloud Platform division. Phil is currently an OSS maintainer in the Docker (now Moby) engine project, the CNCF containerd project, and is a member of both the Open Container Initiative (OCI) Technical Oversight Board and the Moby Technical Steering Committee. Phil is a long-standing member of the Docker Captains program and has enjoyed a long relationship with key open source contributors and experts in the Docker ecosystem.


Dr. Heinz Kabutz

Java Champion, book author and regular speaker

Heinz was chosen as a Java Champion by Sun Microsystems, the inventors of Java, for his work in advancing Java. Heinz is the mastermind behind The Java Specialists’ Newsletter read by tens of thousands of enthusiastic fans in over 146 countries.  To sign up, visit http://www.javaspecialists.eu.


Nicolas Frankel

Software Architect

Nicolas Fränkel is a Software Architect with 15 years experience consulting for many different customers in a wide range of contexts. (such as telecoms, banking, insurances, large retail and public sector).


Dimitris Andreadis

Engineering Manager @ RedHat

Dimitris has 20 years of experience in IT and he is currently the Engineering Manager of the WildFly / JBoss Enterprise Application Server team at Red Hat. He served as the JBoss AS project lead for several years and he has been a JBoss ….


Bret McGowen

Google Developer Advocate for Serverless

Bret is a Developer Advocate for Serverless on the Google Cloud Platform team at Google, focusing on serverless products like Google Cloud Functions, App Engine, Firebase, machine learning APIs, and more. He’s currently an aspiring Node.js developer.

Prior to Google, Bret worked as a software engineer in the cloud industry at Rackspace. Before that, he led engineering teams at…

Alasdair Collinson Site

Alasdair Collinson

Senior Developer at Senacor Technologies AG

A professional software developer by day, a nerd… Well, all the time, really. I love programming, I also love talking and thinking about programming. I’m fascinated by the culture surrounding programming and I immerse myself in that culture.And I like sharing what I have learned. I’ve spoken at conferences several times before about a range of different topics


Christina Aldan

TEDx Speaker and Entrepreninja

Christina Aldan is a TEDx speaker, trainer, and digital advertising consultant whose boutique agency, LG Designs, offers businesses brand consulting and creative content for everyday media. With over a decade of experience in the digital advertising realm, Christina is highly regarded for her approach to business, partnering with clients to find unique strategies that ensure their advertising goals are met


Clemens Vasters

Lead Architect in Microsoft’s Azure Messaging team

Clemens Vasters is Lead Architect in Microsoft’s Azure Messaging team that builds and operates a fleet of hyper-scale messaging services, including Event Grid, Service Bus, and Event Hubs.He looks back at nearly 30 years in professional software development and has seen the same fashion come and go a few times.


Danilo Poccia

Technical Evangelist @ AWS

Danilo is Technical Evangelist at Amazon Web Services and works with startups and enterprises to develop / migrate their IT solutions on the cloud. In his role, he uses this experience to help customers bringing their ideas to life using the AWS platform, focusing on technical and business impact of mobile and data analytics

Evelyn van Kelle

Evelyn van Kelle

Content lead @ the Software Improvement Group (SIG)

Evelyn van Kelle is content lead at SIG, where she focuses on the interplay between technical issues and social factors. During her MSc study at Tilburg University, Evelyn was delighted to discover that the world of IT becomes exponentially stronger with sound communication. Her curiosity and predilection for data drive her to …


Yannis Kanellopoulos

Practice Leader @ Software Improvement Group

Yiannis’s moto is that technology can change the world for the better. As such and being a Practice Leader at Software Improvement Group, Yiannis helps international organisations managing their risks and costs related to either the procurement or the development and maintenance of their software systems.


Dimitris Kontokostas

Senior knowledge engineer @ GeoPhy

He enjoys building and manipulating big [knowledge] graphs, data quality pipelines and contributing to open source software. He usually writes code using Java/Scala but prefers Bash when possible.He is really close to holding a PhD on large scale knowledge extraction and quality assessment from Leipzig University and has published over 40 papers on various scientific venues


Miro Cupak

Senior software engineer @ DNAstack

Miro is a senior software engineer at DNAstack, where he develops a leading genomics cloud platform. He is a Java enthusiast with expertise in distributed systems and middleware, the creator of the largest search and discovery engine of human genetic data, and the …

Philipp Krenn

Phlipp Krenn

Developer Advocate @ Elastic

Philipp is part of the infrastructure team and a Developer Advocate at Elastic, spreading the love and knowledge of full-text search, analytics, and real-time data. He is a frequent speaker at conferences and meetups about all things search & analytics, databases, cloud computing, and devops. Philipp lives in Vienna where he enjoys experimenting with software, organizing meetups, and sports.


Max Panas

Principal Software Engineer @ Camelot Global

Truly passionate about the Web and the business ecosystem surrounding the industry. Strive to be as close to the cutting edge as possible. Care about pushing the web forward in terms of performance, accessibility and functionality. Push to be learning something new every day in this constantly shifting industry. Passionate about sharing what I learn and working with/building well-oiled teams and processes.


Yorgos Saslis

Developer Advocate @ RestComm

Yorgos is an OSS enthusiast and software craftsman, with a background in concurrency and distributed systems, in telecoms. He cares about improving the problem-solving process – not just solving the problem. He helps teams practice clean code and improve their software delivery process. He believes deeply in the power of community, and helps run a number of meetups & unconferences on the (paradise) island of Crete.


Boyan Mihaylov

Web enthusiast, software architect, improviser

Boyan is a software architect and developer, thinking human-first when writing software. He likes experimenting and talking about technology and its application to solving everyday problems. Prefers working solutions over concrete frameworks and languages. Boyan believes technology needs more storytelling and he tries to convey such. In his free time he performs improvised comedy with his group in Copenhagen, Denmark.


Rizchel Dayao

Developer Advocate @ IBM

Rizchel Dayao is a Developer Advocate at IBM in Denver, Colorado. Previously, she was a Developer Lead for the IBM Cloud and her team won the Eminence and Excellence Award in 2017, as well as the Manager’s Choice Award. She has helped facilitate IBM Design Thinking sessions and was part of the team to win the Tech Innovation Challenge Hackathon as an intern in 2014 at American Express.


John Pagonis

Scrum Coach, UX Researcher and Software Production Consultant

Dr. John Pagonis helps organisations produce useful software and transform to agile ways of working. John has been in the software production business for 20 years and has served in many roles from CTO to Symbian OS C++ developer and from lead developer for machine learning systems to working on Linux infrastructure and back-end development in Ruby and C.


Panagiotis Tsiakas

SW Development Manager @ Amdocs

Panagiotis Tsiakas joined Amdocs in 2018 as a Software Development Manager, leading and managing the development teams located in Cyprus for one of the new cloud native products of the company. He has more than 15 years of experience in the ICT domain as a developer, team lead and manager. Panagiotis has studied Electronic Engineering and he holds an MSc degree in Software Engineering and a PhD degree in Telecommunications.


Kirk Pepperdine

Java Champion

Kirk has been working in high performance and distributed computing for nearly 20 years. His focus has primarily been on performance, working on architecting, developing, and tuning applications running on Cray and other high performance computing platforms. Kirk now specializes in Java™, where he …


Katerina Skroumpelou

Frontend developer @ Upstream

Katerina is a front-end developer at Upstream. In her free time she is all web, speaking at conferences and co-organizing the AngularAthens meetup. She likes to mix and match web technologies. Before diving into web development, she studied Architectural Engineering and Spatial Analysis at UCL. She is indigenous to the internet, and she loves web development…


Tassos Anagnostopoulos

Principal Solutions Architect

Tassos is a Principal Solutions Architect with extended experience in the analysis and design of enterprise-wide solutions, assisting customers in defining and implementing large-scale systems.  During his 13-year presence in UniSystems, he has also served as Project Manager and/or Technical Lead in numerous IT projects.


Stavros Korokithakis

Software developer, security enthusiast & maker

Stavros is a software developer, security enthusiast and maker. He has been programming for twenty years, and he has a soft spot for privacy and cryptography. His hobbies include photography and complaining. He has strong opinions on things and is not afraid to share them, even when not solicited.


Tomomi Imura

Web and technology advocate @ Slack

Tomomi Imura (a.k.a girlie_mac) is an avid open web & open technology advocate, and a creative technologist, who is currently working forDeveloper Relations team at Slack in San Francisco, also an advisor for Code Chrysalis in Tokyo


Natasa Manousopoulou

Apps, Data, and AI Communities Director @ Microsoft

Natasa loves creating technology that makes a difference in people’s lives, and making a difference for people creating technology. She has been realizing these passions as a software engineer, technology consultant, architect, and CTO, and currently she is a director for internal technology communities on applications, data and AI technologies for Microsoft…


Nikos Gkanatsios


Nikolaos Gkanatsios is an Electrical and Computer engineer with a B.Sc. and an M.Sc. from National Technical University of Athens. He is interested in applying Machine Learning techniques to real-life problems, combining multiple modalities. He is currently working for METIS CYBERSPACE TECHNOLOGY SA in Athens, Greece.


Antonis Lilis

Mobile Solution Architect @ Advantage FSE

Antonis is passionate about technology and everything mobile. He is currently working on mobile banking software for Advantage FSE. He spend the last decade writing software in Java, Objective-C and Swift. Then he met Kotlin and his life changed ♥


Dimosthenis Kaponis

VP of Engineering @ Beat

Mr. Dimosthenis Kaponis is VP of Engineering at Beat, where he co-leads engineering, overseeing both technical (platform architecture and microservices, data science and big data) and organizational (hiring, structure and scaling) domains. Before Beat, Mr. Kaponis founded…

Pantelis Nasikas

Data Architect @ Agile Actors

Pantelis Nasikas has been operating Big Data clusters, designing and deploying software services on production Big Data systems the past 5 years using both commodity hardware and cloud services in the real world on the financial and telecom sector. Currently he works as a …


Vasiliki Petychaki

Technical Sales Specialist @ IBM

Vasiliki Petychaki is a graduate of the Department of Electrical and Computer Engineering of the National Technical University of Athens. She joined IBM in 2016 as a Hybrid Cloud software developer and she focuses mainly on the IBM Cloud Platform. She is handling pre-sales and post-sales activities including technical support, presentations, workshops and more.


Dennis Stavroyiannopoulos

Senior Software Architect, IBM Greece and Cyprus

Dionysis Stavroyiannopoulos joined IBM in 2006. He is currently a Senior Software Architect in IBM Greece, responsible for analyzing customers’ needs and proposing appropriate solutions. He has worked in several technical positions in the software industry for the last 15 years and has extensive experience in telecom and mobile solutions.


Haris Linardakis

 Cloud Leader, IBM Greece and Cyprus

Haris Linardakis is the Cloud Leader for IBM Greece and Cyprus since 2015. Within his role, he is helping enterprises of all sizes in Greece and Cyprus to assess cloud readiness, develop cloud adoption strategies and power their digital transformation.
Throughout his career in IBM, he held business development positions in Global Technology Services and enterprise business unit. As a professional, he …