Anne ImObersteg and Associates specialize in providing consultation and expert testimony in the areas of forensic toxicology and controlled substances. Since we are an independent organization, we are able to provide services to the general public, civil and family law attorneys, and to both prosecution and defense criminal law attorneys.

Anne ImObersteg (MS JD) has 22 years of experience in the field of forensic toxicology. As a former Senior Forensic Chemist and Forensic Alcohol Supervisor at a major California crime lab (16+ years), and as an independent forensic toxicologist, Anne has testified well over 500 times as an expert in the following areas: methods and concepts of forensic toxicology, field sobriety tests (DOT-qualified Administrator), alcohol/drug effects on human performance, driving impairment issues, drug recognition exams, alcohol/drug screening and confirmation (GC and GC/MS), breath alcohol instruments (Intoxilyzer 4011A and 5000 series, DataMaster, Draeger 7110 and 7410, and PAS devices), post mortem toxicology, employee drug testing (former SAMHSA Laboratory Inspector), clandestine laboratories, narcotics, and much more.

Anne is an active member of the California Association of Toxicologists, The International Association of Forensic Toxicologists and the National Safety Council. Anne also is an adjunct Professor at Lincoln University, and has taught classes in Forensic Science at various universities in the San Francisco Bay Area. She has authored chapters in authoritative texts, articles in peer-reviewed journals, and been asked to speak at many forensic science/toxicology seminars. For a full resume, please click on the "Expert Witness" link above.

The Associates are highly trained and experienced scientists in their respective fields of expertise as well. Environemental Toxicology and microbiology/blood sample integrity testing services are performed through these professionals. To learn more about these associated services, please click on the "Blood Sample and Integrity Testing" and "Environemntal Toxicology" links on the left menu.

Our reasonable fees for consultation and testimony vary depending on the type of case and the services requested. However, it is the policy of Anne ImObersteg and Associates to make every effort to financially accommodate all clients who wish to hire our services. For a full fee schedule, please contact Anne ImObersteg through the "Contact Us" link on the top menu.