About us

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About us

The company ArangoDB, a German privately held limited liability company, was founded in 2014 to meet the increasing demand for professional services around ArangoDB.

ArangoDB GmbH is a spin-off of triAGENS GmbH, an IT consulting firm founded in 2004. The company is based in Cologne and specializes in solutions for challenges which demand rapid access to large amounts of data. ArangoDB GmbH offers subscriptions, support of development, training and consulting.


Claudius Weinberger

Claudius Weinberger, CEO

Claudius studied economics with business informatics as key aspect at the University of Cologne. He was head of product development at IS. Teledata AG and gained extended expert knowledge in the fields of process analysis and modeling.

In line with info-broker, he conducted the development and implementation of a customer information system spanning the subsidiaries in Germany. His consultancy focus lies on product management. As product owner of ArangoDB he leads the overall system’s development and strategic planning.

Previous projects or achievements relevant for the project are: project management for a central session service based on NoSQL technologies (DHL AG), project management for infobroker and implementation in all branches (Commerzbank AG), implementation of a project information system (Mustad International Group), project management for a price information system (NYSE Euronext).

Frank Celler

Frank Celler, CTO

Frank both entrepreneur and back-end developer, engineering mostly-memory databases for two decades. He is the lead developer of ArangoDB.

Besides, Frank organizes Cologne’s NoSQL user group, the well-received distributed matters (previously NoSQL matters) conferences in Cologne, Barcelona, Dublin, Paris and Berlin, and is a welcome speaker at international developer conferences.

Frank studied in Aachen and London and obtained a PhD in mathematics. Prior to founding triAGENS GmbH, the company behind ArangoDB, he worked for several German tech companies as a consultant, team lead and C/C++ developer.

Frank’s major achievements and projects relevant to ArangoDB are: development of a quota database that was faster than Reuters’, concept and implementation of JIT compilers for Intel and Sparc architectures, concept and implementation of a high-performance in-memory session database for Deutsche Post AG, development of an IDE for Dylan.

Luca Olivari

Luca Olivari, President

Luca is a software executive and advisor with almost two decades of experience. He has held several senior leadership positions at public as well as venture-backed, high-growth startups. Before running the international Business Development and Strategy at MongoDB, he led the MySQL Sales Consulting across EMEA at Oracle. Prior to joining ArangoDB as the next big thing in the database world, Luca served as Chief Data Officer at ContactLab, a leading engagement marketing cloud provider.

Jan Claussen, Director of Finance

Jan is leading Finance and Legal at ArangoDB GmbH, focusing primarily on financial and strategic planning, fundraising, investor relations, legal, and accounting/reporting/controlling. Previously, he worked in consulting at Oliver Wyman and Bain & Company, and technology-focused venture capital.

Advisory Council

Florian Leibert

Florian Leibert, Advisor

Florian Leibert is the CEO and Co-founder of Mesosphere. As one of the brightest technical minds in Silicon Valley, Florian enabled Twitter to establish a microservice architecture and built AirBnB’s big data team. At Mesosphere, he is now building DC/OS, the revolutionary open source datacenter operating system based on Apache Mesos, which is already used at his former companies in exciting use cases like Verizon Wireless. Florian will help ArangoDB to further sharpen its focus on the needs of large scale enterprises, their problems and solutions.

Support Services

Santo Leto
As Global Director of ArangoDB Customer Support, Santo is leading the Team that provides worldwide post-sales services to all our Customers, including 24×7 Technical Support, Customer Success (on-boardings and proactive customer engagements) and remote and on-site Consultancy and Training delivery. At ArangoDB, Santo is also leading the ‘Community Support & Bug Verification’ Team. With 10+ years of work experience in engineering, customer-facing and managerial roles, at VC-backed start-ups, bootstrapping companies, as well as large public corporates, Santo started his career as Lead Developer of graphical user interfaces for RDBMS.

Core Developers

Jan SteemannJan Steemann
Jan is an expert in data modeling with NoSQL & relational databases and writing high performance web applications. For ArangoDB, he wrote most of AQL (ArangoDB’s query language). He is also responsible for sharding and nerdy C/C++ tasks in the clutches of ArangoDB.

Michael Hackstein
Michael Hackstein is a Senior Graph Specialist @ ArangoDB GmbH. He holds a Masters degree in Computer Science and is the creator of ArangoDBs graph capabilities. During his academic career he focused on complex algorithms and especially graph databases. Michael is an internationally experienced speaker who loves salad, cake and clean code. In his spare time he is organising colognejs, the JavaScript user group scheduled every second month.

Max NeunhoefferMax Neunhöffer
Max is one of the C/C++ developers working on the ArangoDB core. In particular, he is responsible for the sharding extension and additionally converts the latest ideas from database science into C/C++ code. Furthermore, he enjoys to give public talks about the technical aspects of the ArangoDB development.

Wilfried GoesgensWilfried Goesgens
Wilfried is another one of the C/C++ developers working for the ArangoDB Core Team. He also works on measuring and optimization of the performance.

Jan Christoph Uhde
Jan is a senior C++ developer working on ArangoDB’s core. He is also supporting and developing ArangoDB fuerte driver. Jan holds a Masters degree in Computer Science and is also known among friends as Obi.

Alan PlumAlan Plum
Alan is an experienced web developer who feels equally at home in the backend and frontend. At ArangoDB he works on everything regarding JavaScript, with a special focus on Foxx.

Heiko KernbachHeiko Kernbach
Heiko is a Computer Science student passionate about new technologies and programming, especially in JavaScript. At ArangoDB he works mostly on the database frontend.

Kaveh VahedipourKaveh Vahedipour
Kaveh works on ArangoDB’s core. He is responsible for developing the consensus protocol in ArangoDB clusters.

Matthew Von-Maszewski
Matthew is another C/C++ developer. His prior experience includes Basho Technologies, Akamai, and Intuit. Work has ranged from 4-bit micro-controllers to 30+ server db clusters. When not coding, Matthew is often found running a marathon or participating in a triathlon.

Simran BrucherseiferSimran Brucherseifer
Simran is a data modeling and migration enthusiast with a cultural sciences background. He is responsible for ArangoDB’s documentation, helps out in design questions and supports the community, especially with AQL and JavaScript.

Mark Vollmary
Mark is Java developer for over 10 years. Along all tech related topics, Mark is especially passionate about developing web applications. He also likes writing code in JavaScript and Scala. At ArangoDB he mostly works on the Java driver and Spring Data integration.

Richard ParkerRichard Parker
Richard does high performance programming of modern x86 computers using multiple cores, levels of cache etc.

Ewout Prangsma
Ewout is an all-round Go / Javascript / C++ developer & entrepreneur who loves to solve complex technical problems to make life easier for end users.
Within the ArangoDB he works (mostly) on drivers & the ArangoDB starter.

Daniel Larkin-York
Dan is a C/C++ developer with the ArangoDB core team. He has worked on the storage engines, caching system, and performance testing and optimization. If it involves non-trivial data structures, he’s interested.

Manuel BaeslerManuel Baesler
Manuel is a Node.js / JavaScript professional working on a lot of stuff. Discovered ArangoDB back in 2014; likes the query language and the multi-model approach.

Simon GrätzerSimon Grätzer
Simon is a C++ developer and works in the Graph Team at ArangoDB. He is passionate about distributed systems and computer graphics. For ArangoDB he wrote the Pregel graph processing system and is working on various other graph related topics as well as on ArangoDBs storage engine.

Andrey Abramov
Andrey is an expert in information retrieval and recommendation systems. He is passionate about state-of-art search techniques and data similarity measures. As the member of ArangoDB core team he is responsible for developing the ArangoSearch engine and further integration into the ArangoDB core.

Vasiliy Nabatchikov
Vasiliy works on ArangoDB’s core. Currently, he is part of the team responsible for developing the ArangoSearch submodule providing run-time pluggable inverted index querying and result ranking.

Max Kernbach
Max is a dedicated Computer Science student who is interested in graph theory. He is implementing test scripts for various use cases of ArangoDB and investigates issues by use of error scenario reproduction.

Sales and Marketing

Kunal Kusoorkar
Kunal is a Director, Global Solutions Engineering at ArangoDB helping customers architect and adopt new generation, cloud-ready micro-services based solutions leveraging ArangoDB and Foxx framework. Previously, he worked as a Principal Solutions Engineer, Technical Alliances Manager and Product management for Real-time Events processing solutions , ESBs/Messaging, Big Data/Hadoop and NoSQL/KV technologies at TIBCO, Cloudera, Wipro and DataStax over the last 10 years.

Michael Guerra
Mike, Head of Sales Americas, has over 20 years of experience at public, private, as well as venture-backed startups with a particular focus on open source technologies. He’s an accomplished software sales executive with strong leadership, team building, and business development skills. Most recently, Mike was responsible for growing the Western Territory at MariaDB and Basho Technologies.

Ramona Rolando
Ramona is our Inside Sale Director Americas. She graduated in Marketing and International Affairs in Bucharest, Romania. Fluent in 3 languages, working in sales for 10 years and a Six Sigma green belt. Before joining ArangoDB she has worked for Honeywell and multiple sales teams within Oracle growing the business in Europe and the Americas.

Arun Kumar Dubey
Arun is our Inside Sale Director. He brings more than 12 years of experience in corporate sales and marketing covering global territories. Prior to joining ArangoDB, Arun was with Oracle for 7+ years primarily selling MySQL Embedded and Oracle Consulting around their database. Post Oracle, he directed the inside sales division at OrientDB with major contributions to sales strategy and marketing.

Jan StueckeJan Stücke
Jan is a product guy and startup enthusiast. Working in startups for over 8 years now he knows the ups and downs of these adventures. For him ArangoDB is the best db solution especially for young companies.

Jana VolkovaJana Volkova
Jana is a part of ArangoDB’s marketing team. She is the one chatting to you on twitter and sending out latest ArangoDB news. Jana is passionate about building a great community around our open-source product.

Berta Hermida
Berta is also part of ArangoDB’s marketing team. She is especially passionate about Social Media. Berta holds a Masters degree in International Business Management, for ArangoDB she performs our online media campaigns.

Stephanie Benier
Stephanie is part of ArangoDB’s marketing team. She is currently studying International Event Management. Stephanie helps the marketing team find and plan events to bring the ArangoDB community together.

Andrea Petrini
Andrea is Claudius’ assistant. He graduated from the Rotterdam School of Management and has experience in fundraising, business development and general management. He believes ArangoDB will become a huge success and wants to help ArangoDB reach its full potential.


Kirsten LinkKirsten Link
Kirsten is responsible for everything Accounting related in the ArangoDB office, be it contractual agreements or any other financial procedure.

Read the latest NoSQL Performance Benchmark 2018: MongoDB, PostgreSQL, OrientDB, Neo4j and ArangoDB