President / Laboratory Director
Mahmoud A. ElSohly, Ph.D., BCFE, BCFM
Dr. ElSohly leads ELI and is internationally recognized in forensic toxicology, drug analysis, and natural products research.
Services
Focused support across testing, controls, standards, and research.
ELI provides targeted support for testing programs, control materials, standards, reference analysis, and research projects across the drug testing community.
01
Consulting
Expert advisory support, testimony, and forensic toxicology guidance from Dr. Mahmoud A. ElSohly.
Explore consulting 02Analytical Testing
Certified workplace drug testing services for regulated and non-regulated industries, plus specialized testing on request.
Explore testing 03Quality Control
Blind quality controls, laboratory controls, and meconium controls prepared to client requirements.
Explore controls 04Reference Work
Reference analyses for other laboratories and manufacturers with strong emphasis on accurate quantitation.
Explore reference work 05Research
Research projects from concept to product development, including testing, stability, and method development.
Explore research 06Standards
Analytical standards and internal standards that support accurate and reliable drug testing results.
Explore standardsAbout ELI
Built around scientific rigor, practical support, and long-term client relationships.
ElSohly Laboratories, Incorporated (ELI) is a privately held Mississippi corporation certified by DHHS and the College of American Pathologists and registered with DEA and FDA. The laboratory has provided analytical and advisory services to the drug testing community since 1985.
ELI is a multifaceted laboratory dedicated to solving analytical problems in the area of drugs of abuse. The company performs testing, reference analyses for commercial and governmental clients, preparation of blind quality control specimens, laboratory controls, standards and internal standards, and research and development activities.
What Clients Count On
Responsive support backed by experience.
- Direct communication with experienced scientific leadership.
- Custom analytical support for complex drug testing questions.
- Reliable reference analysis and control material preparation.
- Research and development support when projects move beyond routine testing.
People
Scientific leadership with deep experience across laboratory operations.
ELI's leadership team brings experience across forensic toxicology, analytical chemistry, laboratory operations, and research.
Laboratory Manager / Certifying Scientist
Timothy P. Murphy
Mr. Murphy oversees forensic and reference work in the analytical laboratory and serves as the Alternate Responsible Person.
Associate Director of Research
Waseem Gul, Ph.D., C. Chem
Dr. Gul supports standards synthesis, structure modification, and development of analytical procedures across research programs.