David Fisher

David Fisher is an Adjunct Professor at Yeshiva College, Yeshiva University, and a Criminalist Supervisor in the Department of Forensic Biology at the New York City Office of Chief Medical Examiner. With over 16 years of experience in forensic biology and DNA typing, he specializes in evaluating new DNA methodologies and supervises a research team in forensic technology validation. He holds an MS in Forensic Science from John Jay College (CUNY) and a BS in Biochemistry & Cell Biology from UC San Diego.

• Education:
  • MS in Forensic Science, John Jay College of Criminal Justice (CUNY)
  • BS in Biochemistry & Cell Biology, University of California, San Diego

His research interests focus on advancing DNA testing technologies and forensic methodologies. He has co-authored two influential books: Techniques of Crime Scene Investigation (8th Ed., 2012) and Forensics Demystified (2007), which provide foundational guidance in forensic science and crime scene analysis.

Fisher has testified as an expert witness over 40 times in criminal cases, including homicides and sexual assaults. His certifications include Fellowships from the American Board of Criminalistics and the American Academy of Forensic Sciences. He currently teaches Introduction to Forensic Biology at Yeshiva College.

• Awards:
  • Fellow in General Criminalistics (American Board of Criminalistics)
  • Fellow of the American Academy of Forensic Sciences

His work bridges academic instruction and applied forensic research, emphasizing the integration of cutting-edge technologies into casework.