Meet Our Investigators
Where Healing Meets Discovery
At Revival Research Institute, our expanding site network includes seasoned physicians who bring decades of clinical experience to the forefront of research. We’re not just building sites, we’re building a community of expert investigators committed to scientific rigor, patient safety, and rapid trial execution.
Each clinical trial conducted across our network benefits from active Investigator oversight, ensuring protocol compliance, high-quality data, and superior patient care. With board-certified specialists across multiple therapeutic areas, our physicians play a hands-on role in guiding trials from startup to closeout. We continue to welcome distinguished healthcare professionals into our network, all united by a common goal of conducting clinical trials that drive better medicine.

Investigator Network
Every clinical trial at Revival is led by a dedicated Principal Investigator (PI) and Sub-Investigator (SI), an expert physician who oversees the medical integrity and execution of the study. Our investigators work closely with a diverse patient population and a highly trained research staff, creating a bridge between clinical operations and patient needs. Their involvement ensures that each trial is conducted with precision, safety, and empathy.

Abdulhassan Saad
M.D., F.A.C.P.
Principal Investigator

Ali Moiin
M.D.
Principal Investigator

Amna Husain
M.D., F.A.A.P., I.B.C.L.C.
Principal Investigator

Anwarullah Khan
M.D., F.A.C.C.
Principal Investigator

Asad Karim
M.D.
Principal Investigator

Grygorii Tsapko
M.D.
Principal Investigator

Heidi Chamberlain Shea
M.D.
Principal Investigator

Ishaq Ali
M.D.
Principal Investigator

Jawad Riaz
M.D.
Principal Investigator

Lucas E. Cavallin
M.D., Ph.D., F.A.A.D.
Principal Investigator

Qaiser Shafiq
M.D., M.MSc., C.H.S., F.A.C.C., F.S.C.A.I.
Principal Investigator

Ram Kairam
M.D.
Principal Investigator

Seema Haq
M.D.
Principal Investigator

Sumbul Islam
M.D.
Principal Investigator

Syed Ali Muttaqi Husain
M.D.
Principal Investigator

Syed Shariq Ahmad Saghir
M.D.
Principal Investigator

Syed Wajih Rizvi
M.D.
Principal Investigator

Zain Husain
M.D., F.A.A.D., F.A.C.M.S.
Principal Investigator
Sub-Investigators
Our experienced Sub-Investigators play a vital role in the success of each clinical trial. Working in close collaboration with Principal Investigators, they are responsible for performing essential trial-related procedures and contributing to key medical decisions throughout the study.

Mustafa Hashem
M.D., F.A.C.C., F.S.C.A.I.

