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Our Investigators are at the core of what makes Advanced Clinical Institute such a unique and fulfilling place to work. We’re proud of the diversity of our staff, with each member contributing their unique skills to the projects upon which we are working. Together, we’ve executed some of the most innovative and cutting edge clinical trials. Find out more about our team members below.

Our Investigators & Staff: Lab Members


Chief Executive Officer,
Principle Investigator

Mark Ornstein, MD has been a Board Certified Internal Medicine Specialist for over 30 years.  He received his medical degree from CETEC University Santo Domingo and completed his residency in 1986 at Jersey Shore Medical Center, serving as Chief Medical Resident in his final year.

Since 2010 Dr. Ornstein has focused on Alzheimer's Disease (AD) research and has serve as a Principle Investigator on many AD development programs with great skill and patience.

Dr. Ornstein is a founder of ACI and serves as Chief Executive Officer of the company and on the Board of Directors.  His medical role at ACI is key to ensure safety in operations, patient safety and clinical patient care overall.

He is affiliated with Hackensack Meridian Health Jersey Shore University Medical Center, Neptune, New Jersey.

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Vicki Raab, MD is a Board Certified Adult Neurologist with a sub-specialty in Clinical Neurophysiology.  Dr. Raab received her medical degree from the University of Texas Medical School at San Antonio in 1984. She completed an internship completed at Sinai Hospital of Baltimore in 1985, and her residency as well as a fellowship at Thomas Jefferson University Hospital in Philadelphia in 1989.

Dr Raab has been a practicing Neurologist for 35 years, and has served as Sub-Investigator in clinical trials since 2017.  Dr Raab continues to practice privately and will serve as Sub-Investigator at ACI, where her expertise in Neurology is invaluable.

Dr. Raab is affiliated with Monmouth Medical Center.



Geriatric Psychiatrist,


Dan​iel D'Andrea, MD is a Board Certified Geriatric Psychiatrist for over 20 years.  He received his medical degree from St. George's University School of Medicine in 1999 and completed his residency at the University of Massachusetts in 2003 and his Clinical Fellowship at Harvard University in 2004.

Dr. D'Andrea is the Medical Director of a private clinic specializing in geriatric psychiatry.  He has recently joined ACI as a Sub-Investigator where his expertise in integrated neuropsychiatric evaluations, care of elderly patients suffering cognitive decline and general psychiatric conditions is priceless.

Dr. D'Andrea is affiliated with CentraState Medical Center in Freehold and Hackensack Meridian Health Bayshore Medical Center in Holmdel, NJ

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Mark Pass, MD is a Geriatric Medicine Specialist in Marlboro, NJ and has over 23 years of experience in the medical field. He graduated from American University Of The Caribbean School Of Medicine in 1999. He is affiliated with medical facilities such as Centrastate Medical Center and Hackensack Meridian Health Jersey Shore University Medical Center.

Interested in serving as a Clinical Research Investigator?  Give us a call or send an email request to speak with one of our clinical research professionals today!

Our Investigators & Staff: Text


We bring together highly experienced , skilled and trained industry professionals to deliver a caring and quality experience to clinical research.



Chief Operating Officer,
Regulatory and Clinical Research Coordinator

Sherrie earned a BA in Microbiology in 1984 from Miami University, and a MBA from Seton Hall University in 1984.  In 2018, Sherrie added to her accomplishments by successfully completing a Medical Assistant program.

In over 40 years of professional experience, Sherrie has managed a number of laboratory, consulting and pharmaceutical manufacturing organizations at the leadership and senior management levels.

Sherrie is a founder of ACI and serves as Chief Operating Officer of the company, and on the Board of Directors.  She has been involved in Clinical Research since 2001 with a focus on the areas of Metabolic Syndrome, Infectious Disease, and Alzheimer's Disease (AD).  Based on a personal connection with the effects of AD in her family, she is especially dedicated to efforts to find a cure for AD.

Our Investigators & Staff: Lab Members
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