Dr. Paul Miller

Licensure and Board Certification

California Medical License
Board Certified, American Board of Psychiatry and Neurology, 1961

Dr. Paul Miller brings to Pacific Clinical Research Medical Group a wealth of distinguished research, clinical and academic experience from his long and varied career. Dr. Miller has conducted clinical trials targeting major depressive disorder, treatment-resistant depression, general anxiety disorder, insomnia and smoking cessation. He is certified by the American Board of Psychiatry and Neurology and is a Distinguished Life Fellow of the American Psychiatric Association. He works primarily in our Arcadia office.

Dr. Miller received his medical degree from Northwestern University Medical School in Chicago in 1954. He completed his residency training in psychiatry at the distinguished Chicago teaching hospital, Michael Reese Hospital, in 1960, after receiving an additional two years of post-graduate training at a U.S. Public Health Service Medical Center in Springfield, Missouri, from 1955 to 1957. In addition to his work at Pacific Clinical Research, Dr. Miller is currently an attending physician at Olive View-UCLA Medical Center in Sylmar, California, and a Visiting Associate Professor in the Psychiatry Department at the University of California, Los Angeles, School of Medical Sciences, a post he has held since 1997.

Dr. Miller has been practicing psychiatry in Southern California since 1981, serving as Chief of Inpatient Psychiatry at Harbor-UCLA Medical Center in Torrance, California, from 1981 to 1982. From 1982 to 1996, he worked in various capacities as a psychiatrist for the L.A. County Department of Mental Health, including as a staff psychiatrist in L.A. County's Crisis Evaluation Unit in Norwalk, California, and at a Therapeutic Residential Center in El Monte, California. In 1996, he became Coordinator of Education for Inpatient Psychiatry, serving in such capacity until 2001, and a Staff Psychiatrist at Olive View-UCLA Medical Center.

In addition to his substantial clinical practice, Dr. Miller has worked extensively in the realm of academic psychiatry. He has taught at such distinguished institutions as Northwestern University Medical School in Chicago, from 1960 to 1969, Roosevelt University in Chicago, from 1960 to 1961, DePaul University in Chicago, from 1962 to 1967, UC Davis School of Medicine in Sacramento, from 1969 to 1973, and the University of Nevada School of Medical Sciences in Reno, from 1973 to 1980, where he also served as Director and Chairman of the Division of Human Behavior Sciences and Psychiatry and Assistant Dean.

Dr. Miller has published extensively in peer-reviewed psychiatry journals and is the author of the well-known Computer Assisted Diagnostic Interview, which he has presented at the annual meeting of the American Psychiatric Association for several years.

Dr. Ai-Li Arias

Licensure and Board Certification

California Medical License
Board Certified, American Board of Psychiatry and Neurology, 2004

Since joining Pacific Clinical Research Medical Group in 2005, Dr. Ai-Li Arias has conducted more than 30 clinical trials as a principal investigator or sub-investigator. She has developed expertise in the treatment of major depressive disorder, treatment-resistant depression, general anxiety disorder, and insomnia, building on the mentoring she received from our founder, Dan L. Zimbroff, M.D. Dr. Arias is certified by the American Board of Psychiatry and Neurology and works primarily in our Upland office.

Dr. Arias received her medical degree from Loma Linda University School of Medicine in Loma Linda, California, in 2000. In 2004, she completed an internship and residency training with the Department of Psychiatry at Loma Linda University School of Medicine, continuing on to complete a specialized post-doctoral fellowship training program in Forensic Psychiatry at the University of Southern California in Los Angeles in 2005.

In addition to the research she conducts with Pacific Clinical Research Medical Group, Dr. Arias currently serves as Director of Forensic Psychiatry and Chair of the Forensic Review Panel at Patton State Hospital in Patton, California, where she worked as a staff psychiatrist from 2005 to 2007 prior to joining Pacific Clinical Research Medical Group. Dr. Arias also has worked as a staff psychiatrist at the USC Institute of Psychiatry and the Law and was a Clinical Instructor at the USC Keck School of Medicine in the Department of Psychiatry. Dr. Arias has presented at various psychiatry and forensic psychiatry conferences.

Dr. Charmaine Semeniuk

California Medical License

Board Certified, American Board of Psychiatry and Neurology, 1990
Board Certified, American Board of Psychiatry and Neurology for Children and Adolescents, 1993

Dr. Charmaine Semeniuk brings to Pacific Clinical Research Medical Group over 20 years of clinical trial experience, having participated as a principal investigator or sub-investigator in over 100 studies. Her research experience includes the treatment of major depressive disorder, general anxiety disorder, treatment-resistant depression, insomnia, bipolar disorder, schizophrenia and migraine pain. A Distinguished Life Fellow of the American Psychiatric Association, Dr. Semeniuk is certified by the American Board of Psychiatry and Neurology for Adults and by the American Board of Psychiatry and Neurology for Children and Adolescents. She works primarily in our Orange office.

Prior to joining Pacific Clinical Research Medical Group in 2008, Dr. Semeniuk worked as a clinical research investigator at California Clinical Trials Medical Group in San Diego, California, from 2004 to 2008, serving as its Associate Medical Director of Psychiatric Services from 2007 to 2008.

Dr. Semeniuk received her medical degree from St. George's School of Medicine in Grenada, West Indies, in 1987, after completing an internship in pediatric psychiatry at Methodist Hospital in Brooklyn, New York, in 1985 and a residency in psychiatry at Mt. Sinai Hospital in New York in 1987. She also completed a fellowship in child and adolescent psychiatry at Mt. Sinai Hospital in 1989.

Dr. Semeniuk began her career in psychiatry as Medical Director of the Children and Adolescent Unit at Riverside Medical Center and as Medical Director of the Adolescent Unit at St. Mary's Hospital, both in Kankakee, Illinois, from 1989 to 1993.

From 1993 to 2000, she served as Medical Director of the Children's Unit and Pharmacy and Therapeutics Committee at New Orleans Adolescent Hospital, as well as Medical Director of the Children and Adolescents Unit at CPC East Lake Hospital in New Orleans. During this time, she also participated in studies of major depression and attention deficit disorder as a Clinical Associate Professor at Louisiana State University and a researcher in Child and Adolescent Psychiatry at Louisiana State University School of Medicine, both in New Orleans.

Dr. Semeniuk also worked as an Access Team Psychiatrist, helping Telecare patients manage day-to-day living, and was involved in Telecare's ongoing community outreach programs providing support to individuals with serious mental illness from 2000 to 2005.

In addition to her work with Pacific Clinical Research Medical Group, Dr. Semeniuk currently heads Telecare Cresta Loma, the largest inpatient psychiatric facility for schizophrenia patients in San Diego County, as its Medical Director, a position she has held since 2002.