Christian Siebert, M.Sc.

 Christian Siebert is an external PhD student at the Chair of Marketing & Customer Insight at the University of Hamburg. From 2010 to 2013, he studied Business Administration at the WHU - Otto Beisheim School of Management, and from 2013 to 2015 he completed a Master in Economics at the Stockholm School of Economics. He spent semesters abroad in Ann Arbor, Michigan, and Sydney.

Since 2016, he has worked as a consultant for McKinsey & Company in Hamburg. He supported clients in the healthcare and automotive sectors in the areas of organization, sales and customer experience.

His current research interests include algorithms for automated text classification.

Publications:

• “More Than a Feeling: Benchmarks for Sentiment Analysis Accuracy”, 2020, available at SSRN: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3489963 (with Mark Heitmann, Jochen Hartmann and Christina Schamp)
• A sentiment analysis model based on this publication for easy use is available here: https://huggingface.co/siebert/sentiment-roberta-large-english