Elon Musk plans to reduce his time on government work to focus more on Tesla, though overseeing multiple companies could pose challenges.Investors are generally accepting of 'multi-CEOs' during successful times, but this can change if business performance declines.Despite scaling back government involvement, Musk still has various companies like Tesla and SpaceX under his purview.Christopher Myers from Johns Hopkins Carey Business School expressed concerns about Musk's ability to devote sufficient attention to each company.Lorenz Graf-Vlachy noted that Musk's ties to DOGE could deter potential Tesla buyers, necessitating more focus on resolving issues within the company.Investors reacted positively to Musk's plan to concentrate on his companies, with Tesla shares rising over 5% following the announcement.Analysts, including Wedbush Securities' Dan Ives, suggest that Musk should prioritize leading Tesla full-time to address challenges.Musk's management style, described as 'nano-managing,' raises questions about effectively overseeing a diverse portfolio of companies.Jonathan Marshall highlights the importance of delegation and trust in managing multiple businesses simultaneously.Despite Musk's proven capability in managing multiple entities, there are concerns about the extent to which a multi-CEO model can be sustained.