Robin Roberts returning to 'Good Morning America' Feb. 20 Ida Mae Astute / AP Robin Roberts left "GMA" Aug. 30 for an extended medical leave. By Rebecca Macatee, E! Published 9:25 a.m. ET: Robin Roberts is almost ready to return to the anchor chair! "Good Morning America" announced Thursday that Roberts will return to the show as of Feb. 20. Following a successful bone-marrow transplant in September 2012 to treat myelodysplastic syndrome, a rare blood disorder, Roberts, 52, took a medical leave. Robin talks recovery, return to TV After a "dry run" at work in January, Roberts was given the go signal from her doctors to return to work later this month. "What a difference a year makes," Roberts said. I cannot wait to return to my GMA family. It's going to be an incredible morning in Times Square. The overwhelming thoughts and prayers of the viewers have played a major part in getting me here today. I cannot thank everyone enough. She later took to Twitter to muse about her comeback before adding: "Heading to the beach to rest, reflect & count my blessings. We're excited for her return! Other celeb cancer survivors