Hi! I’m Ram, creator of IR4U. This website is designed to be top educational site for all topics in Interventional Radiology. The main Goal is to facilitate easy and straight forward self education. We invite you to be a creator and be part of our IR4U family. Contribute through sharing Cases or Presentations or Information that will help, promote and improve knowledge about IR to improve patient care. Your Credentials will be posted on the contributor page. Thank You All in advance for your contributions.

Address: Cleveland

Email: ram@ir4u.info

Phone: +1 2162364624

Sanjeeva Kalva

Chief, Interventional Radiology,
Massachusetts General Hospital.
Professor of Radiology,
Harvard Medical School

Passionate about teaching IR


Dr Reddi Prasad Yadavali

HOD & Consultant Interventional Radiologist,
Manipal Hospitals,
Bangalore, India.
Adjunct Professor of Radiology,
Manipal University.
ISVIR Karnataka State Chapter.


Completed Residency training from Mersey Deanery, Liverpool, UK.

Prior Consultant at Glasgow Royal Infirmary, Glasgow, Uk.

Happy to teach and keen to train the next gen IR’s

Email: yadavali@gmail.com

Alexander Christie

PGY-5 Diagnostic and ESIR Radiology Resident

Dr. Christie is a current PGY-5 Radiology resident at the Cleveland Clinic Foundation in Ohio. He and his wife are from Kentucky and moved to Cleveland for residency. He will be completing his Independent Interventional Radiology Residency (Fellowship) at the University of Pennsylvania in 2023.

Email: christa11@ccf.org

Dr Mallem Dinakar

Associate Professor
Apollo Medical College

Passionate about teaching and guiding the undergraduate students


Priyanka Gadde

New York University

Hello! I am currently a second year student at New York University, studying Neuroscience with a minor in Business on the pre-medical track. I thoroughly enjoy learning the fascinating components of interventional radiology, in which I hope this webpage can be a valuable source to the community.


Priyesh Patel

Interventional Radiology Fellow,
Cleveland Clinic 

Dr. Patel completed his diagnostic radiology residency in 2022, and is currently an interventional radiology fellow at the Cleveland Clinic.


Kumar Shashi

Assistant Professor
Little Rock

Adult and Pediatric Interventional Radiologist.


Sudhir Thaduri

Renal Transplant
University of Alabama

I am a Transplant Nephrologist with a passion for teaching. We have regular interaction with Interventional Radiology for multiple procedures in our patient subgroup due to which I have developed an interest in areas of Nephrology that overlap with Radiology and IR.

Email: thadurisudhir@yahoo.com

Justin Guan

Associate Staff Physician,
Cleveland Clinic;
Assistant Professor of Radiology,
Lerner College of Medicine of Case Western Reserve University

Dr. Guan completed residency training at the University of Iowa Hospitals and Clinics and interventional radiology fellowship at Johns Hopkins Hospital. He is passionate about teaching IR both in US and internationally, and currently serves as Chair of the SIR Global Trainee Network.

Email: guanj@ccf.org

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