MAD.LEX is a job title that stands for 'Managing Attorney of Digital Law Exchange'. This position is responsible for managing the legal aspects of digital law exchange, which involves providing legal advice and guidance to clients on digital law matters. The person in this role must have a strong understanding of the legal implications of digital law and be able to provide accurate and timely advice to clients. Additionally, they must be able to manage the legal aspects of digital law exchange, including drafting contracts, negotiating deals, and ensuring compliance with applicable laws.