Dr. Gracis received his D.M.D. degree in 1986 from the University of Pennsylvania, (Philadelphia, Pennsylvania, USA) and, in 1987, from the University of Pavia (Pavia, Italy). In 1990, he obtained the certificate in Prosthodontics with an M.S.D. degree at the University of Washington in Seattle under the guidance of Dr. Ralph Yuodelis. He then returned to Milan, Italy, where he has been working ever since in private practice limiting his activity to prosthodontics and restorative dentistry. From 1998 to 2004, he was a guest lecturer at the University of Parma (Parma, Italy).

He belongs as active member to the Italian Academy of Prosthetic Dentistry (AIOP) for which he was President in the years 2007-2008 and to the European Academy of Esthetic Dentistry (EAED) for which he is a member of the Executive Board and President for the 2017-18 term. He is on the Editorial Board of the International Journal of Esthetic Dentistry and has contributed several articles and chapters in the field of restorative dentistry.