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I am Associate Professor at the Department of Computer Science, the University of Auckland, New Zealand, since December 2011. I am also a member of the Centre for Discrete Mathematics and Theoretical Computer Science at the University of Auckland.

I have originated and co-designed the Master's Programme of Professional Studies in Data Science. The programme will be co-taught by the Departments of Computer Science, Statistics, Information Systems and Operations Research. Study Data Science where it all began.

I was Associate Professor at the School of Information Management, the Victoria University of Wellington, from April 2008 to November 2011. I am a member of the Centre for Logic, Language and Computation at VUW.

I was a member of the Department of Information Systems at Massey University, Palmerston North, from June 2000 to March 2008. In 2004, I completed my PhD in Information Systems on a topic in Database Theory.

Originally, I come from the small village of Benzingerode, Germany, which is now part of Wernigerode, the "colorful town in the Harz foothills". This town is famous for its castle, townhouse and splendid timber-framed houses.

From 1995 to 2000 I studied Computer Science and Mathematics at the Clausthal University of Technology in Clausthal-Zellerfeld, Germany. This is where I received my Master's degree in Computer Science in April 2000, just before I made the big move to New Zealand.

My main research interest is the application of logic, algebra, combinatorics, and statistics to computer science. I have mainly worked in the area of database theory, conceptual modeling, and XML. However, I am also very much interested in the motivation of my research area, in particular in the perceived drivers and barriers to concepts in databases and modeling. Details are listed in my current CV.

I am a member of the Editorial Advisory Board of the journal Information Systems - Databases: Their Creation, Management and Utilization. The journal has been assigned the highest quality category possible from several journal rankings, including ERA and ABDC.

Some of my publications are listed publicly: