Call Us: (513) 621-5112

Our Investigators

Eli M. Roth MD FACC, CPI:

Dr. Roth, the president of Sterling Research Group, is board certified in Internal Medicine, Cardiovascular Disease and Clinical Lipidology. He has over 24 years experience in general and interventional cardiology. He is currently a Professor of Clinical Medicine and Director of Preventive Cardiology for the Division of Cardiology at the University Of Cincinnati College Of Medicine. Dr. Roth has 12 years experience in clinical trials and has been principal investigator or sub-investigator on over 500 clinical trials. Dr. Roth has ACRP/APPI certification as a Certified Principal Investigator. He currently is a consultant and alternate board member of Schulman and Associates IRB, and has participated as a Data Safety Monitoring Board Member as well as consulted on protocol design and writing for clinical trials.

Matthew Wenker, MD:

Dr. Wenker joined Sterling Research in December 2011. He brought with him four years of clinical research experience. He has been board certified by The American Board of Internal Medicine since 1999. He is a member of ACRP (Association of Clinical Research Professionals), and was honored as a "Top Doc" by Cincinnati Magazine in 2010.

Philip M. Diller, MD, PhD:

Dr. Philip Diller, board certified in Family Practice, has served as Principal Investigator and Sub Investigator with Sterling Research since 2009. He is Professor of Clinical Family Medicine and Chair of the Department of Family & Community Medicine at the University of Cincinnati. Dr. Diller earned a PhD in Pathology from the University of Chicago, and his M.D. at the Pritzker School of Medicine in Chicago, followed by a Residency at the University of Cincinnati.

Dr. Diller has been the recipient of numerous awards, including Excellence in teaching, and was named among Cincinnati’s Best Doctors in 2005-2011. He is the proud father of 7 children.

Raj Davit, MD:

Dr. Rajesh Davit is a board-certified family practice physician, currently practicing with the Mercy Health Physicians. He has been on staff at Sterling Research since 2012. He earned his M.D. at St. Eustatius University, School of Medicine in England, UK, and completed a residency in Family Medicine at Greenville Hospital System in Greenville, South Carolina, where he was awarded the “Stellar Service Award” and a Chief Resident’s Award.

Dr. Davit is a black belt in Taekwondo, and the proud (and busy) father of young twins.

Julie A. Mullen, DO:

Dr. Julie Mullen is board certified in Family Medicine, having earned her undergraduate degree from Xavier University, and her D.O from Ohio University of Osteopathic Medicine. She completed her residency at Doctor’s Hospital in Columbus, OH, followed by a private practice with Patient First Physicians group and Primary Care Associates.

Dr. Mullen is currently a staff physician with Doctor’s Urgent Care Associates, and has worked with Sterling Research for over a decade. She is also a busy mother to 4 daughters.

Gayle Hennekes, PA-C, MPAS:

Gayle is a Physician Assistant with over 25 years experience and has a strong background in Internal Medicine; Dermatology and Rheumatology. She has more than 7 years of clinical research experience as a sub-investigator.

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Patient Recruitment Specialist
Cincinnati, OH

PH: (513) 621-5112
FX:  (513) 621-5101

Cincinnati / Mt. Auburn
2230 Auburn Avenue
Level B
Cincinnati, OH 45219
PH: (513) 381-4100
FX:  (513) 381-4120

375 Glensprings Drive
2nd Floor
Cincinnati, OH 45246
PH: (513) 671-8080
FX:  (513) 671-8090
Are You Concerned About Heart Failure?
Thursday, October 26, 2017

Congestive heart failure is a common cardiac problem in the US.  After age 40, 1 in 5 people will develop some form of heart failure and the risk increases as we age.  


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