Founder & CEO Joy LiuCourtesy of Plenful Healthcare may be slow to modernize, but AI-powered startups like Plenful are betting big that change is coming to its most painful corners — the back office — through automation. The San Francisco-based startup has announced a $50 million Series B raise co-led by Arena Holdings and billionaire Mitchell Rales, co-founder of Danaher Corporation, with participation from Notable Capital, Bessemer Venture Partners, TQ Ventures and Susa/Kivu Ventures, to autom...