Speculation over Elon Musk's future as Tesla CEO arose due to the company's rough start to the year.Reports of a search for a new CEO were denied by Tesla's board Chair and Musk himself.Analysts and investors believe that Musk would be extremely difficult to replace at Tesla.Though potential successors are few, insiders like Tom Zhu and Vaibhav Taneja are considered prime candidates.Tesla's flat management structure allows division heads autonomy and potential for advancement.External candidate JB Straubel, CEO of Redwood Materials and former Tesla CTO, is seen as a viable replacement option.Straubel's prior co-founding and long tenure with Tesla, as well as his relationship with Musk, make him a strong contender.Investor Ross Gerber also supports Straubel as the most suitable successor to Musk.Musk's significant control over Tesla means any leadership change would require his approval.Potential management restructuring could involve Musk as 'chief technoking' with a full-time CEO like Straubel.