Dr Marzocco is a Long Island native and completed her doctorate at Tufts University School of Dental Medicine in Boston, Massachusetts. Upon completion of a general practice residency (GPR) at Montefiore Medical Center, she decided to pursue specialty training, receiving her certificate in Postgraduate Prosthodontics from New York University. Subsequently Dr. Marzocco then completed a two-year implant fellowship at the same institution. Dr. Marzocco joined Academic Prosthoontics of Long Island in 2014, Appointed a Clinical Assistant Professor at Stony Brook University Dental School in Stony Brook, New York, she is involved in teaching a fixed prosthodontics course, and supervises patient care in the dental clinic. In addition, she is involved in implant research. Presently she is involved with local study groups, and is a member of multiple dental associations. Dr. Marzocco has lectured for study groups, multiple residency programs, and given presentations at national dental research meetings.

Dr Castro is a double dental training at Pontificia Universidad Javeriana and New York University College of Dentistry, where he also obtained a certificate in Advanced Education in Prosthodontics. He completed his training with a two-year surgical fellowship at Columbia University, mentored by Dr. Dennis Tarnow. During residency, he was the recipient of the Dr. Harold Litvak Fellowship Award and The Kenneth Adisman Award.