Date of Birth: 
About David Matsumoto
- David Matsumoto (born August 2, 1959) is an author, psychologist and judoka.
- His areas of expertise include culture, emotion, facial expressions, nonverbal behavior and microexpressions.
- Matsumoto is a professor at San Francisco State University and also the Director of Humintell - a company that provides "unique training in the fields of facial expression of emotion, nonverbal behavior, detecting deception and cultural adaptation." In addition, he is a 7th degree black belt in judo and the owner and head instructor of the East Bay Judo Institute in El Cerrito, California.
Read more at Wikipedia