ChatGPT ChatGPT Pro Valuation Employee Shares Governance Changes Board Leadership Board Membership President Chairman Announcement Shockwaves Silicon Valley Investment Opportunities Technology Partnership Microsoft Partnership Microsoft Investment Microsoft Surprise Board Changes CEO Firing Interim CEO Technology Chief Mira Murati Chatbot Launch Investment Rush Valuation Talks Valuation Amount Valuation Negotiations Valuation Outcome Valuation Surprise Valuation Market Valuation Investment Valuation Investors Valuation Shareholders Valuation Stakeholders Valuation Stake Valuation Sale Valuation Sale Price Valuation Sale Timing Valuation Sale Process Valuation Sale Negotiations Valuation Sale Outcome Valuation Sale Market Valuation Sale Investment Valuation Sale Investors Valuation Sale Shareholders Valuation Sale Stakeholders Valuation Sale Stake Content Credentials