Clifford Siporin, Ph.D.
Clinical Trial Specialist

GREYSTONE PHARMACEUTICAL CONSULTING includes a full service contract research organization, providing site managment, monitoring, auditing, medical writing, investigator meeting services, CRF design and other important services to ensure GCP/ICH compliance. Having been in business for 13 years, Greystone manages US and International based trials with a contract field staff of 100 each with > 10 years of clinical field experience.