Tesla, Inc. is an American multinational automotive and clean energy company. Headquartered in Austin, Texas, it designs, manufactures, and sells battery electric vehicles, stationary battery energy storage devices from home to grid-scale, solar panels and solar shingles, and related products and services. The company was incorporated in July 2003 by Martin Eberhard and Marc Tarpenning as Tesla Motors. Its name is a tribute to the inventor and electrical engineer Nikola Tesla. In February 2004, Elon Musk led Tesla's first funding round and became the company's chairman, subsequently claiming to be a co-founder; in 2008, he was named chief executive officer. The company began production of its first car model, the Roadster sports car, in 2008; the Model S sedan in 2012; the Model X SUV in 2015; the Model 3 sedan in 2017; the Model Y crossover in 2020; the Tesla Semi truck in 2022; and the Cybertruck pickup truck in 2023. Tesla is one of the world's most valuable companies in terms of market capitalization. Starting in July 2020, it has been the world's most valuable automaker.