Driven by rising demand, corporates are seeking specialized financial expertise without committing to full-time hires. Growing numbers of experienced chief financial officers are abandoning the corporate grind to take freelance roles for multiple clients—whether in parallel or on a serial basis. “The demand for [freelance] professional CFOs has approximately doubled” in recent years, says Eusebi Llensa, co-founder and CEO of Outvise, a Barcelona-based marketplace for high-end independent