Supports all legal entities regarding state income tax from a content, compliance and process perspective; Provides knowledge and support as needed in the frame of the abovementioned activities; Interprets new / changed tax laws and regulations and the respective application of these (within the frameworks given) to the legal entities in scope in close cooperation with Direct Tax Lead as well as with internal and external partners; Partners effectively with US Tax R2R/Partnering team, Tax GPOs and GBS to optimize any of the relevant Tax processes through the identification and implementation of continuous improvement, automation and data quality opportunities; Identifies, prioritizes, and helps implement practical technology and AI use cases in state income tax processes, with focus on stronger controls, better documentation, improved reviewability, reduced manual effort, and sustainable knowledge transfer to GBS Costa Rica; Partners effectively with Enabling function and divisions to ensure quality at source (wherever applicable); Assesses new / changed business scenarios to minimize tax exposures and risks in close cooperation with Direct Tax Lead as well as with internal and external partners; Collaborates with and supports internal Bayer and external advisor(s) in their work. The successful candidate will bring strong expertise in US state income tax and apply it with creativity and pragmatism to deliver audit ready outcomes, anticipate and interpret law changes, and reduce controversy risk, and identify practical opportunities to use technology, automation, and AI to improve quality, consistency, documentation, and cycle time.