By Dan Weil Some experts have questioned whether Elon Musk’s presence on Twitter’s board will affect the microblogging site’s financial performance. Some experts have questioned whether Elon Musk’s purchase of a 9% stake in Twitter (TWTR) – Get Twitter, Inc. Report and posting to the board will make any difference in the financial performance of the social media stalwart. But renowned investor Cathie Wood, chief executive of Ark Investment Management, says something big could result: change in management at Twitter. Tesla (TSLA) – Get Tesla Inc Report Chief Executive Musk has given a “strong s…