I am a licensed psychologist and author located in the San Francisco Bay Area. My main office is in the Rockridge District of Oakland, close to the Berkeley border and easily accessible by public transportation. My other office is in Hayward. To find out about my psychotherapy practice, please select the PRACTICE button. I am also listed at the Psychology Today Find a Therapist directory.

   To find out about my writings, please see the PUBLICATIONS page. My most recent books are The Trouble with Twin Studies: A Reassessment of Twin Research in the Social and Behavioral Sciences (Routledge, 2015), and the 2017 e-book Schizophrenia and Genetics: The End of an Illusion.