Hannes Mühleisen

Full Name
Prof.dr. H.F. Mühleisen
+31 20 592 4039
Scientific Staff Member
Hannes Mühleisen


2010 – 2012 Researcher, Networked Information Systems, FU Berlin

2012 – 2016 Postdoctoral Researcher, Database Architectures, CWI

2016 – 2018 Tenure-Track Researcher, Database Architectures, CWI

2017 – 2019 Assistant Professor, Computer Systems, VU Amsterdam

2019 – 2022 Assistant Professor, Intelligent Data Engineering Lab, University of Amsterdam

2018 – Senior Researcher, Database Architectures, CWI

2023 – Professor of Data Engineering, Radboud Universiteit


All publications


  • Best paper runner up award, International Conference on Scientific and Statistical Database Management (SSDBM 2017) (2017)

Professional activities

  • Organizer: Amsterdam R User Group
  • Side Position: MonetDB Solutions
  • Lecturer: Big Data Infrastructures & Technologies (VU)
  • Lecturer: Large Scale Data Engineering (VU)
  • Lecturer: Big Data infrastructures for Data Science (UvA)
  • Founder: Co-Founder and CEO at DuckDB Labs
  • Editor: Journal of Statistical Software
  • Professor: Professor by special appointment Institute for Computing and Information Sciences (ICIS), Radboud University
  • Chair: Chairman of the NWO VENI Selection Committee
  • Speaker: Keynote speaker: Conference on Innovative Data Systems Research (CIDR) 2023
  • Speaker: Invited speaker: Guest Lecture UC San Diego: In-process OLAP with DuckDB
  • Speaker: Invited speaker: Guest Lecture Uni Potsdam: In-Process OLAP
  • Speaker: Invited speaker: SIGMOD 2021
  • Speaker: Invited speaker: Guest Lecture Uni of Eindhoven: Embedded Analytical Databases
  • Speaker: Invited speaker: SAP Tech Days: Extending test coverage into DBMS
  • Speaker: invited speaker: Zürich R User Group: Analytical Data Management with R
  • Speaker: Invited speaker: Databricks: Verifying TPC-DS Results
  • Speaker: Invited speaker: Budapest Data Forum 2020: Dodging the cost of scalability in data analysis with CPU efficiency
  • Speaker: Invited speaker: Data Engineering Podcast: https://www.dataengineeringpodcast.com/duckdb-in-process-olap-database-episode-270/
  • Speaker: invited speaker: Software Engineering Daily Podcast: https://softwareengineeringdaily.com/2022/03/18/duckdb-with-hannes-muleisen/
  • Speaker: Invited speaker: DSDSD: Parallel Grouped Aggregation in DuckDB
  • Speaker: Invited speaker: Sigma Computing invited talk: In-process OLAP with DuckDB
  • Speaker: Invited speaker: Xebia Knowledge Sharing: In-Process Analytical Data Management with DuckD
  • Speaker: Invited speaker: Oracle Tech Talk: In-Process Analytical Data Management with DuckDB
  • Speaker: Invited speaker: SharkTech Talks: Databases & Datasets by DuckDB
  • Speaker: Invited speaker: DSDSD: 1000 Days of DuckDB Pareto Principle Still Holds


  • Amsterdam Data Science Research Assistants Grant (2016)
  • Veni - Innovational Research Grant NWO (2015)
  • NLeSC Pathfinder (2015)
  • COMMIT/ Zwaluwproject (2015)
  • NWO IPPSI-KIEM (2014)

Current projects with external funding

  • Facebook Research Grant (Facebook)
  • Responsible Decentralized Data Architecture (RDDA)