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Expert founded his company in 1993, a forensic scientist who specializes in the analysis of DNA and the use of insects in legal investigations. Expert has evaluated and provided expert guidance for more than four hundred criminal and paternity cases, both in the public and private sector, where DNA analysis was performed for individual identification and/or parentage verification.

Expert has taught numerous training seminars that focus on the principles and methodologies used in forensic DNA typing as well as Workshops designed to train prosecutors, criminal defense attorneys, investigators, and law enforcement officials in:
1) crime scene preservation
2) evidence collection
3) chain of custody issues
4) DNA evidence handling and analysis
5) specialized trial tactics
6) effective presentation of DNA evidence to judges and juries.

Expert is a Professor and the Director of Forensic Science in the Department of Biology and Chemistry ata prestigious university where he teaches undergraduate classes in microbiology and forensic science and graduate classes in microbial pathogenesis. He previously held a faculty position in the Department of Molecular and Microbiology at George Mason University (GMU) in Fairfax, VA where he taught graduate courses in forensic DNA analysis, forensic entomology, and in forensic sciences. The course in forensic DNA analysis focuses on current laboratory methods and applications in forensic DNA profiling and effective presentation of DNA evidence at trial. His previously published laboratory manual, entitled “Forensic DNA Analysis: A Laboratory Manual”, presents an overview of the current techniques and methods commonly used in forensic DNA typing, as well as, the interpretation of DNA evidence which is crucial for today’s criminalist.

Expert's updated laboratory manual entitled "Forensic Analysis of Biological Evidence: A Laboratory Guide for Serological and DNA Typing" focuses on the current serological and DNA tests used in forensic laboratories throughout the world. Expert's latest laboratory manual entitled "Forensic Analysis of Trace Evidence" introduces the science of trace evidence analysis by focusing on basic techniques used in crime scene investigations and in forensic science laboratories. This resource manual is designed to provide the reader with a fundamental understanding of trace evidence as well as a thorough background of the specialized techniques used to identify and compare specific types of trace evidence. In 2008, Expert was invited to appear on the Nancy Grace Show to provide his insights on the use of DNA testing in the investigation of the missing 3-year old Florida girl.

Recently, Expert was featured as one of the "Top 15 DNA Analysis Professors" in a forensics blog. The list is comprised of outstanding Professors and authoritative experts in the field of DNA analysis.The criteria used in compiling the list of the Top 15 DNA Analysts included research interests and contributions to the field of forensic DNA, earned a doctoral degree and gained experience during professional employment, practical experience in the academic community, and have published in the field of DNA analysis.

In 2017, Expert’s expertise was requested to work on murder case that occurred over thirty years ago. The defendant, was accused and convicted of the murders of two people in Boonesboro, VA in 1985. Recent evidence, found at the scene, was analyzed by the VA Department of Virginia Sciences and reviewed by the Expert and one other doctor. Both forensic DNA experts came to the conclusion that the DNA was not present at the crime scene. Expert, who was working closely with the investigators and attorney, appeared on ABC’s “20/20” in the hopes that the documentary of mounting evidence will support the petition now in the hands of Governor.

Expert received a Bachelor of Science degree from the Department of Biology at James Madison University, Harrisonburg, VA, a Masters of Science degree from the Department of Entomology, and a Doctorate of Philosophy degree from the Department of Microbiology at the University of Maryland, College Park, MD. After completing a Postdoctoral Fellowship at the Agriculture Research Service of the U.S. Department of Agriculture in Beltsville, MD, Expert became Group Leader/Senior Staff Scientist at Digene Diagnostics, Inc. where he directed the research on the development and use of DNA probes for the detection and diagnosis of human pathogens.