Pleased to present you the speakers of ConTECH2026
Ambili Thottathil is n Analytics Principal Consultant at Pythian, Oracle ACE Director, and Oracle Analytics Ambassador with over 21 years of experience delivering enterprise analytics, business intelligence, and AI-driven solutions. She specialises in helping organisations transform data into actionable insights through modern analytics platforms, cloud technologies, and artificial intelligence.
Her expertise spans Oracle Analytics, Oracle Cloud Infrastructure (OCI), Generative AI, AI Vector Search, Digital Assistants, and Oracle Database technologies, with a strong focus on the strategic intersection of analytics and enterprise AI. Ambili holds numerous industry certifications, including OCI Certified Generative AI Professional, Oracle AI Vector Search Professional, Oracle Cloud Platform Enterprise Analytics Professional, and Oracle Database Development Certified Professional (OCP).
A recognised international speaker and mentor, she regularly presents at conferences across the US, UK, Europe, and India. Beyond technology, Ambili serves as an Executive Board Member of the Academy of Indian Music and Arts and is passionate about fostering innovation through community leadership, creativity, and cognitive diversity.
Andreea is a member of the APEX Development Team at Oracle. She started as an Oracle Database developer in 2014 and extended her area of interest to Oracle Application Express and several data integration solutions.
Andreea was involved in a wide range of projects, helping customers get the most out of their Oracle Database both in the cloud and on-premises using the latest data management solutions and collaborating with international project teams. She enjoys presenting at several Oracle user group events and conferences, such as ROOUG, APEX@Home, BGOUG, UKOUG and ODTUG, and she is constantly looking for ways to improve the customer experience with Oracle APEX.
Axel vom Stein – BSS Bohnenberg GmbH
Axel vom Stein started out as a PL/SQL developer after his studies in mathematics.
His interest moved more towards DBA topics and so his main focus is on Oracle Database Core Technologies. With more than 20 years experience in the field of Oracle Database he likes to share his knowledge and teaching apprentices and young professionals.
He is a speaker at national and international conferences like COLLABORATE, ASCEND, POUG, HROUG, UKOUG and the DOAG annual conferences.
Axel is a board member of the German Oracle Database Community „ora2know” (https://www.ora2know.de), frequently co-organises community events and an Oracle ACE Pro (https://oracle.ace.com).
Christian Gohmann is currently working as Data Eng, Mgmt & Governance Manager and Instructor at Accenture in Dusseldorf, Germany. His main focus lies in helping customers in the areas of architecture planning, implementation, and migration – with a specialization in high availability solutions, like Data Guard and Oracle RAC.
Since 2006, Christian Gohmann has been working with Oracle and the Oracle Database and worked on various projects for customers in German-speaking areas.
Besides his consultancy activities, he is the main developer and the responsible person for db*BACKUP – a product distributed by Accenture, which is responsible for the intelligent backup and recovery of an Oracle database.
In his spare time, he shares his knowledge on his blog https://www.christian-gohmann.de and spends as much time as possible with his dog Taran, and for his hobbies climbing/bouldering, hiking, and watching movies.
I’m a Developer Evangelist in Oracle’s Database Organization, focused in building Generative AI platforms that harness DBMS AI capabilities, while also championing their adoption as an evangelist.
I work on the Kubernetes-based deployment platform for AI microservices, „Oracle Backend for Microservices and AI”, and I’m leading the development of the „AI Optimizer and Toolkit” —a low-code platform that empowers developers to design and fine-tune AI Agents using Oracle’s Vector Store.
In Oracle Italy since 2010, he joined Technology Sales Consulting team, working on Italian large and medium accounts on OCI, AI/ML, DataLakes and BPM/SOA platforms.
Formerly Sales Engineer at Sun Microsystems, as well as Java & Software Ambassador for Italy, starting his career as architect in Telecom Italia Mobile. He holds the CEFRIEL Master in Information Technology and a bachelor’s degree in Computer Science.
Georgiana Oancea is a Full Stack Developer within Oracle’s Autonomous Database Cloud Business Development Operations organization. As a member of the Oracle Estate Explorer development team, she contributes to the design and enhancement of the platform’s user experience, front-end capabilities, and workflow automation processes.
Her work focuses on application development, business operations, process automation, and data-driven solutions that support strategic initiatives and executive decision-making. Georgiana develops and manages applications that improve operational efficiency, increase business visibility, and enable collaboration across Oracle teams.
With extensive experience in Oracle APEX, database technologies, and business process optimization, she is passionate about building innovative solutions that help organizations transform complex technical challenges into measurable business outcomes.
Giliam Breems is a Senior Oracle APEX Consultant at Qualogy with more than 15 years of experience in the Oracle Database (SQL and PLSQL) and is now-a-days specialised in Oracle APEX.
He became an Oracle ACE member in 2023, has been a member of the APEX World committee (nlOUG), organizes meetups for the company and is a speaker on national and international conferences (APEX World, HrOUG, POUG, DOAG, Kscope, OUGN, APEX Alpe Adria and the APEX Latinoamérica Tour).
Hans Viehmann is working for Oracle Corporation as Director of Product Management.
He is leading a global team of product managers responsible for Oracle’s geospatial products and the graph technologies in the Oracle Database.
With his team, he is looking after strategic projects and partnerships, marketing activities, and internal awareness around the Spatial and Graph technologies worldwide. He works closely with various Oracle User Groups and helped establish Spatial and Graph Special Interest Groups in several countries. He is a regular speaker at conferences and user group events and serves on the advisory board of InGeoForum, Germany.
Karin Patenge is a Product Manager for Oracle’s Spatial and Graph Technologies.
She works closely with customers, partners, and tech communities in Europe and the Middle East. She engages with developers, solution architects, data engineers & analysts to bring added value to their projects by integrating spatial and graph capabilities into solution architectures.
Karin has a master’s degree in Computer Science, studying in Romania and Germany, and has followed the UNIGIS postgraduate study program of the University of Salzburg in Austria.
She is based in Berlin, Germany, and collaborates closely with Oracle’s Spatial and Graph development teams.
She enjoys kayaking rivers, lakes, and seas and spending time outdoors, preferably with family and friends, as much as possible during her time off.”
Ludovico is the product manager for Oracle Data Guard and Flashback technologies at Oracle. Before that, he has been a multi-platform DBA, consultant, and trainer for over twenty years.
Awarded the Oracle ACE Director status in 2016, Ludovico is a respected figure in the Oracle Users Community.
Monika Lewandowska – JSystems Sp. z o.o.
Monika is an experienced Oracle architect, designer, and developer. She has started her journey with Oracle in the last century with Oracle DB 7, continues to this day.
She emphasizes the solution’s simplicity, code quality, best practices, and above all – system performance.
She is an Oracle Ace and willingly shares her experience.
She loves fast motorcycles and databases!
Neil Chandler – Chandler Systems Ltd.
Neil has been working in IT since 1988 when he coded Assembler and Cobol on IBM Mainframes against both hierarchical (NoSQL-ish) and relational databases.
He started using Oracle software in 1991. Neil is an Oracle ACE Director and a founding member of the MASH Program.
He likes to drink strong smooth Italian coffee, good beer and better whisky, depending upon the time of day.
I am a Community Manager at Oracle, where I manage the Oracle ACE Program. I have a master’s degree in Corporate Communication and 10+ years of experience in communications planning and strategy, internal and external communication tactics, blogging and content writing, social media strategy and monitoring, and project management.
As a passionate and creative communicator, I enjoy engaging with diverse audiences and building strong relationships with stakeholders, partners, and influencers.
I am also an avid blogger and the founder of Cityfemme.com, a lifestyle website for women in Romania that has won several awards, including the 2021 Best Boutique Female Blogging Platform – Bucharest and the 2017 European Blogger. My blog covers topics such as fashion, beauty, culture, health, and social issues, and has been featured in various media outlets. I believe in using my voice and platform to inspire, empower, and inform women and to support the causes I care about.
More than 30 years of extensive and continuous experience with database-based systems, as a developer, DBA, manager and lecturer.
Gained lots of knowledge about databases in general, and Oracle in particular, and likes sharing it.
Believes in good collaboration between developers and DBAs, and tries to bridge the traditional gaps between these two worlds.
Richard Martens has been involved in information technology for more than 20 years.
He started as a web developer using the Oracle database as no more than data storage. Richard has been responsible for major European multilingual websites and has been working with the Oracle database since 2000.
During those years, he developed himself using a multitude of technologies and specialized in PL/SQL and Oracle APEX. Richard has been working primarily with PLSQL and APEX since 2005.
With APEX, he combines the things he loves most: the Oracle database and web technologies. In November 2016 Richard was awarded the ACE award; in 2023 he was promoted to ACE Director
Usman is a Staff Developer Advocate at Grafana Labs from Nuremberg, Germany. He works with the Open Source community on the community forum, GitHub and Slack.
He has over 15 years of experience in IT and in Cloud Stack where he served multiple customers all over Europe, US, Japan, etc.
He is an active international public speaker participating in multiple conferences and events.
In his free time, Usman likes to spend time with his family, go out on occasional traveling and play games or read comics.