A Blood Banking expert witness testifies about the standard of care for blood storage, blood transfusion, transfusion reaction, and other blood bank issues.

An Aquatic Safety expert witness testifies about standards and policies for safety at water parks, swimming pools, beaches, and water-related activities.

An Addiction Psychiatry expert witness is a Psychiatrist who testifies on addictive behaviors involving drugs, alcohol, gambling, sex, and other areas.

An Orthopedic Sports Medicine expert witness is an Orthopedic Surgeon who testifies on medical and surgical treatment of musculoskeletal issues in athletes.

A Rheumatology expert witness is a Rheumatologist who testifies on musculoskeletal and autoimmune diseases like lupus, arthritis, scleroderma, and gout.

A Radiology expert witness is a Radiologist who testifies on the use of imaging studies such as plain films (X-ray), CT, MRI, angiography, and ultrasound.

A Radiation Oncology expert witness is a Radiologist who treats cancer and testifies on the use of radiation (radiotherapy) to treat tumors and cancer pain.

A Pulmonary Medicine expert witness is a Pulmonologist who testifies on lung disease and treatment such as asthma, COPD, pneumonia, and pulmonary embolism.

A Pathology expert witness is a Pathologist who testifies on disease and cancer diagnosis by analyzing body tissues and fluids in the lab and at autopsy.

A Pain Medicine expert witness is a physician who testifies on the treatment of severe pain using medicine, procedures, devices, and behavioral approaches.

An Oncology expert witness is an Oncologist who testifies on the diagnosis, treatment, and prognosis of breast cancer, colon cancer, and other tumors.