Ellen Friedman

Ellen Friedman is a strategic communications consultant, scientist and author, currently writing about a variety of open source and big data topics including co-author of Mahout in Action (Manning), the Practical Machine Learning series from O’Reilly, and the newest title, Time Series Databases (O’Reilly). She is a committer on the Apache Mahout project and contributor to Apache Drill. She has been an invited speaker at Berlin Buzzwords 2013 and the Philly ETE 2014. With a Ph.D. in biochemistry, years of laboratory research and work writing on a variety of scientific and computing topics, she is an experienced communicator. She’s also co-author of a book of magic-themed cartoons, A Rabbit Under the Hat. Ellen is on Twitter as @Ellen_Friedman

The talk of Ellen Friedman will be:
Thinking With Your Eyes Closed

Salvatore Sanfilippo

Salvatore Sanfilippo is the lead developer of the Redis project. He lives and codes from Sicily. He works for Pivotal that is sponsoring the Redis development.

The talk of Salvatore Sanfilippo will be:
How Redis Cluster works, and why

Ted Dunning

Ted has held Chief Scientist positions at Veoh Networks, ID Analytics and at MusicMatch, (now Yahoo Music). Ted is responsible for building the most advanced identity theft detection system on the planet, as well as one of the largest peer-assisted video distribution systems and ground-breaking music and video recommendations systems. Ted has 15 issued and 15 pending patents and contributes to several Apache open source projects including Hadoop, Zookeeper and Hbase. He is also a committer for Apache Mahout. Ted earned a BS degree in electrical engineering from the University of Colorado; a MS degree in computer science from New Mexico State University; and a Ph.D. in computing science from Sheffield University in the United Kingdom. Ted also bought the drinks at one of the very first Hadoop User Group meetings.

The talk of Ted Dunning will be:
Very High Bandwidth Time Series Database Implementation

Eric Redmond

Eric is an engineer at Basho, who also happens to work on Riak Search (aka Yokozuna). He's written a few books, including Seven Databases in Seven Weeks, and The Little Riak Book.

The talk of Eric Redmond will be:
Distributed Search on Riak 2.0

Aleksei Udatšnõi

Aleksei Udatšnõi is a lead software engineer in Softonic working on data science projects. He has several years of experience in building large-scale web applications and setting up Big Data infrastructure.

Aleksei Udatšnõi will speak about:
Crunching thousands of events per second in nearly real time

Ameya Kanitkar

Ameya Kanitkar is a lead engineer on Deal Personalization Team at Groupon. Most notably, he architected and built real time analytics infrastructure that powers personalization across web, mobile and email platforms using big data technologies such as HBase, Storm & Kafka. Before personalization infrastructure, he also led the design and development of global message bus infrastructure at Groupon. Ameya holds degrees from Carnegie Mellon University and Pune University.

The talk of Ameya Kanitkar will be:
Scaling Real Time Analytics with Storm & HBase

Clinton Gormley

Clinton Gormley was the first user of Elasticsearch and wrote the Perl API back in 2010. When Elasticsearch formed a company in 2012, he joined as a consultant and the maintainer of the Perl modules. Now Clinton spends a lot of his time designing the user interfaces and writing about Elasticsearch, and is currently working on a book about it with O'Reilly Publishers. He grew up in South Africa and now lives in Barcelona.

The talk of Clinton Gormley will be:
Elasticsearch Query DSL – Not just for wizards…


DuyHai is a Cassandra technical advocate. He spends his time between technical presentations/meetups on Cassandra, coding on open-source projects to support the community and helping all companies using Cassandra to make their project successful. Previously he was working as a freelance Java/Cassandra consultant.

The talk of DOAN DuyHai will be:
Cassandra: real world best use-cases and worst anti-patterns

Frank Celler

Since 20 years Dr. Frank Celler is working in the field of software business and entered the world of NoSQL more than 13 years ago. Working for different companies he early discovered the potential of high-performance databases. Today he is passionate about promoting the importance of NoSQL to the world.

Frank Celler will speak about:
Processing large-scale graphs with Google(TM) Pregel

Giovanni Lanzani

Giovanni Lanzani is a Data Whisperer at GoDataDriven, a small training and consultancy firm based in The Netherlands, the UK and India. Thanks to his PhD in Theoretical Physics, Giovanni spends his time at GoDataDriven applying Machine Learning and Data Science techniques to data of the most disparate companies and helps building and profiling data driven applications with his team.

The talk of Giovanni Lanzani will be:
SQL & NoSQL databases for data driven applications

Glynn Bird

Glynn Bird is an experienced developer who began his career in the field of Research and Development, programming Control & Instrumentation for the Steel industry. He then moved on to web development creating database, business directory and search applications primarily using SQL (PHP & ElasticSearch) and latterly using NoSQL (Node.js & Cloudant).

Glynn Bird will speak about:
Cloudant – Building applications for success.

Johnny Miller

Johnny Miller, is an experienced developer, architect, team lead and agile coach with a history of working at Sky, AOL Broadband and Alcatel-Lucent. Johnny has architected and delivered a number of enterprise platforms using Cassandra as a key component for achieving high availability and efficient scaling. As a result of Johnny's belief in the performance of Cassandra this lead him to join DataStax and drive solutions for Cassandra Big Data.

Johnny Miller will speak about:
Cassandra + Spark = Awesome

Jordi Nin

Jordi Nin holds a PhD in Computer Science since 2008 from the Autonomous University of Barcelona (UAB). He is a tenure-track lecturer at the Computer Architecture Department (AC) of the Technical University of Catalonia (UPC-BarcelonaTECH) and an associate researcher in the Barcelona Supercomputing Center (BSC-CNS). He is conducting research about big data technologies and analytics. more details in https://people.ac.upc.edu/nin/

Jordi Nin will speak about:
Hermes: Distributed social network monitoring system

Josep Lluis Larriba-Pey

Josep L. Larriba is professor at the Technical University of Catalunya and enterpreneur. He has founded Sparsity Technologies based on technologies emerging from research in data management.He has published more than 100 papers and his interests are on the management of graph-like data, graph algorithmics, sorting and applications emerging from complex problems.

The talk of Josep Lluis Larriba-Pey will be:
Graph databases go mobile, Sparksee 5 mobile use cases

Kai Wähner

Kai Wähner works as Technical Lead at TIBCO. His main area of expertise lies within the fields of Application Integration, Big Data, SOA, BPM, Cloud Computing and Enterprise Architecture Management. He is speaker at international IT conferences such as JavaOne, ApacheCon or OOP, writes articles for professional journals, and shares his experiences with new technologies on his blog (www.kai-waehner.de/blog). Contact: kontakt@kai-waehner.de or Twitter: @KaiWaehner. Find more details and references (presentations, articles, blog posts) on his website: www.kai-waehner.de

Kai Wähner will speak about:
Real World Use Cases for Realtime In-Memory Computing

Kristoffer Dyrkorn

Kristoffer is a Scientist at BEKK Consulting, a leading Norwegian business and technology consulting firm. He has been working on large web and integration projects in the private and public sector in Norway for more than 15 years.Kristoffer enjoys looking at problems from multiple angles and usually works as a developer, team lead or systems architect. The latest years he has focused on systems architecture, performance tuning and using NoSQL technology for analytics.

Kristoffer Dyrkorn will speak about:
Beating the traffic jam using NoSQL

Max Neunhöffer

Max Neunhöffer is a mathematician turned database developer. In his academic career he has worked for 16 years on the development and implementation of new algorithms in computer algebra, mainly for the open source system GAP. During this time he has juggled a lot with mathematical "big data" like group orbits containing trillions of points. Recently he has returned from St Andrews in Scotland to Germany, has shifted his focus to NoSQL databases and now helps to develop ArangoDB.

The talk of Max Neunhöffer will be:
Joins and aggregations in a distributed NoSQL DB

Rafael Gimenez

Rafael Giménez leads BDigital's team of Urban Data Analytics, an applied R&D group that tries to understand and improve the city based on the mass analysis of spatial data. His work centres on building scalable Machine Learning systems for intensive data processing and stream computing scenarios. Rafael Giménez is a software engineer from Barcelona that has been involved in web technologies since the early days of JDK 1.0. After spending the first few years of his career designing large web applications for the publishing and multimedia industry, he joined BDigital in 2006.

Rafael Gimenez will speak about:
Scaling up in a world of geolocated data

Sebastian Cohnen

Sebastian Cohnen (@tisba) has been working with scalable, high-performance systems for some years now. NoSQL (Riak, Redis and CouchDB in particular) was always an integral part of those systems. His masters thesis was about “Design Patterns for Scalable, Service-Oriented Web-Architectures” and since then he build and especially load tested several web-based architectures and applications. Sebastian is founding StormForger.com, a load testing as a service platform right now. Besides making the web a faster place, he is doing a German tech podcast called Geekstammtisch.

The talk of Sebastian Cohnen will be:
Building a Startup with NoSQL

Simon Elliston Ball

Simon is a Solutions Engineer at Hortonworks, helping clients solve problems using Hadoop and related technologies. Previously he has worked in the data intensive worlds of hedge funds and financial trading, ERP and e-Commerce, as well as designing and running nationwide networks and websites. These days his head is in Big Data and visualisation.In the course of those roles, he’s designed and built several organisation-wide data and networking infrastructures, headed up research and development teams, and designed (and implemented) numerous digital products and high-traffic transactional websites.For a change of technical pace, he is an avid NodeJS programmer, and spends a lot of time teaching his house machine learning. In the past he has also edited novels, written screenplays, developed web sites and built a photography business.

The talk of Simon Elliston Ball will be:
When to NoSQL and When to Know SQL

Trisha Gee

Trisha has developed applications for a range of industries, including finance, manufacturing and non-profit, for companies of all sizes. She has expertise in Java high performance systems, is passionate about enabling developer productivity, and right now is getting to grips with working in an Open Source fashion as a developer for MongoDB Inc, where she contributes to the Java driver and Morphia. Trisha is a leader of the Sevilla Java & MongoDB User Groups, a key member of the London Java Community and a Java Champion – she believes we shouldn't all have to make the same mistakes again and again.

Trisha Gee will speak about:
Building a web application with MongoDB & Java

Uwe Friedrichsen

Uwe Friedrichsen travels the IT world for many years. As a fellow of codecentric AG he is always in search of innovative ideas and concepts. His current focus areas are resilience, scalability and the IT of (the day after) tomorrow. Often, you can find him on conferences sharing his ideas, or as author of articles, blog posts, tweets and more.

The talk of Uwe Friedrichsen will be:
Extreme availability and self-healing data with CRDTs