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Meet Our Principal 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 PI 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.

Principal Investigators

Every clinical trial at Revival is led by a dedicated Principal Investigator (PI), an expert physician who oversees the medical integrity and execution of the study. Our PIs 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.

Dr Saad MD

Abdulhassan Saad

M.D., F.A.C.P.

Dr Ali Moiin MD

Ali Moiin

M.D.

Amna Hussain MD

Amna Husain

M.D., F.A.A.P., I.B.C.L.C.

Dr Asad Karim MD

Asad Karim

M.D.

Dr Frances MD

Frances Florentino

M.D.

Dr Heidi Chamberlain Shea MD

Heidi Chamberlain Shea

M.D.
Dr Jawad Riaz MD Psychiatrist

Jawad Riaz

M.D.

Dr Qaiser Shafiq MD

Qaiser Shafiq

M.D., M.MSc., C.H.S., F.A.C.C., F.S.C.A.I.

Dr Seema Haq MD

Seema Haq

M.D.

Dr Sumbul Islam MD

Sumbul Islam

M.D.
Dr Syed Ali Muttaqi Husain MD

Syed Ali Muttaqi Husain

M.D.

Dr Syed Shariq Ahmed MD

Syed Shariq Ahmed Saghir

M.D.
Dr Zain Hussain MD

Zain Husain

M.D., F.A.A.D., F.A.C.M.S.

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.

Dr Mustafa Hashem MD

Mustafa Hashem

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

Let’s Advance Medicine,
One Clinical Trial at a Time.

Whether you’re a sponsor, physician, or potential participant, your next step in advancing healthcare begins with Revival.