The recent appointment of Dr. Edith A. Perez as Chief Medical Officer of Cornerstone Specialty Network represents more than a simple executive hire. When a physician who spent decades at Mayo Clinic and led oncology strategy at Genentech chooses to join a private equity-backed platform, it signals something significant about the firm behind the investment. That firm is Waud Capital Partners, and the appointment validates a healthcare investment thesis that founder Reeve Waud has been building for over three decades. The decision by Dr. Perez—a researcher whose work fundamentally changed breast cancer treatment—to join Provider Network Holdings, a Waud Capital…