As a DNA expert with over 20 years of experience in the forensic science field, Mr. Kirk DeLeeuw is a world leader in high-profile extremely complex forensic DNA cases. His firm has a team of elite forensic scientists and investigatory analysis experts for civil, criminal, and international tribunal litigation that have worldwide notoriety in the area of independent forensic case review and quality assurance analysis. These expert disciplines include Biology & DNA, Forensic Toxicology, Firearms/Toolmarks/Shooting Trajectory & Reconstruction, Latent Fingerprints, Questioned Documents, and Investigative Analysis and Trial Assistance.

Kirk DeLeeuw specifically specializes in the critical evaluation, analysis, and interpretation of forensic biology and DNA evidence, including complex and multi-contributor DNA mixtures, probabilistic genotyping and STRmix, DNA profile interpretation, statistical weight and likelihood ratios, inclusion and exclusion determinations, body fluid identification and serology, DNA persistence and degradation, PCR/STR analysis, CODIS-related issues, and the collection, preservation, and processing of biological evidence. His work includes comprehensive technical review and auditing of laboratory case files, bench notes, electronic data, DNA profiles, analytical results, statistical calculations, laboratory protocols, quality assurance practices, and compliance with FBI Quality Assurance Standards (QAS) and ISO/IEC 17025 accreditation requirements. Drawing upon more than two decades of forensic biology and DNA experience in governmental and private forensic laboratories.

Mr. DeLeeuw provides sophisticated scientific consultation in high-profile complex criminal and civil litigation involving disputed DNA findings, mixed and low-level DNA evidence, probabilistic genotyping, transfer and persistence considerations, statistical interpretation, laboratory procedures, and challenges involving the reliability, methodology, interpretation, and limitations of forensic DNA evidence. As a result, he is able to translate highly technical molecular biology and statistical evidence into clear, objective, and defensible opinions for attorneys, courts, judges, and juries.

Riley, Welch, LaPorte & Associates is a leading global forensic science and investigative analysis firm having conducted high profile multi-billion-dollar cases in the United Kingdom, France, Singapore, Hong Kong, Germany, Austria, Sweden, Canada, Netherlands, Hungary, Israel, Switzerland, and Denmark. We are considered a top-tier firm having conducted work for foreign governments, and are recognized globally by the most prominent law firms in the world for providing the highest level of forensic examination and review services to both governmental and private entities. They take cases in all 50 states with concentrated casework in New York, Washington D.C., Los Angeles, Chicago, San Francisco, Miami, Las Vegas, Houston, Dallas, and are respected by top Am 100 legal firms throughout the United States and internationally.

Mr. DeLeeuw's firm has testified as expert witnesses in numerous notable international ICSID cases (ICSID Case No ARB/06/8, ICSID Case No ARB/14/22, PCA Arbitration Case No 2020-21_The Hague). Their testimony has been presented in courts worldwide handling a wide variety of legal matters including criminal law and civil litigation. Their experience includes testifying before government officials, US Federal, Circuit, and District courts, international tribunals, arbitrations, and mediations.