Having worked at two of the world's top consulting firms: EY (Ernst & Young) and HSO, Theis has advised several billion-dollar companies and conglomerates. During his time as a digital transformation expert, he managed brand strategies for Fortune 500 companies to enter the web 3. Some of the solutions he developed include NFT-powered brand loyalty and customer engagement programs, as well as complicated supply chain processes utilising blockchain technology. Currently, he is the COO at Cobalt, a French startup that raised $10 million in funding in 2022. Cobalt is a fashion tech company developing software to allow fashion brands to create immersive shopping experiences and leverage NFT, NFC, AI, and blockchain technology. These 3D experiences allow users to acquire NFTs for virtual items, linked to physical products with NFC chips for proof of authenticity, supply chain tracking, and valuable data insights.