Nino Haase

Nino Haase is not mentioned in the provided articles. The articles focus on Mainz's financial situation, highlighting investment plans funded by a federal grant and the city's overall budget deficit following a period of high tax revenue from BioNTech. The articles discuss the challenges faced by Mainz in balancing its budget and the broader financial struggles of German cities and municipalities. The new treasurer, Dani, is mentioned in one article, but Nino Haase is not referenced in either article.