In 2004, Musk joined Tesla Motors (now Tesla, Inc.), a company dedicated to producing electric vehicles and renewable energy products. Under his leadership, Tesla has become a leader in the electric car market, with popular models like the Model S, Model 3, and Model X. Musk’s ventures also include SolarCity (now part of Tesla), Neuralink, which aims to develop brain-computer interfaces, and The Boring Company, focused on tunnel construction and infrastructure.