SignalFire, a venture capital firm, led a $20m Series B round in Wellth, a digital health company, with participation from Frank Williams, and Yabeo. “Wellth has solved one of the hardest and most fundamental challenges in healthcare—motivating patients to take action and do what’s best for their health. Wellth’s 91% daily adherence rate amongst its member base is unheard of in the industry,” Yuanling Yuan, SignalFire Principal.