Tobias Barthelt
Tobias Barthelt is a PhD. in economics and business management since August 2024. His dissertation is about relationship building in sales, in which a model was developed to improve the sales activities of companies. In 2017, after almost eight years and two bachelor's degrees, Dr Barthelt switched from the police force of the state of North Rhine-Westphalia to the business sector and has been working in sales ever since. After holding various positions in direct sales and completing a...

