Marc Tarpenning, co-founder of Tesla, has been active in interviews and public appearances discussing the company's early history and offering his perspective on its current trajectory. In several 2024 and 2025 interviews, Tarpenning has stated that while he is proud of Tesla's role in accelerating the electric vehicle industry, he believes the brand has been "tarnished" by what he described as the "antics" of CEO Elon Musk. He has said that Musk's political activism has "entangled" the brand in a way it "shouldn't be," and contrasted his own approach, stating that most CEOs do not go out on a "political limb" due to fiduciary responsibilities to shareholders and employees, adding, "I would never do that." Tarpenning has also reflected on the company's founding, emphasizing that he and Martin Eberhard started Tesla in 2003 before Musk joined as an investor and later became the company's fourth CEO. He has noted that the mission was to reduce oil consumption and that the company's early success was built on word-of-mouth and a product that "delighted the customer." In his current role as a venture partner at Spero Ventures, Tarpenning has said he is focused on investing in sustainability-related areas, including synthetic biology and agricultural technology, and has advised entrepreneurs to work on problems with meaning and to ensure their product is compelling on its own merits.