Christopher Ryan (author)

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Christopher Ryan
Dr. Christopher Ryan.jpg
Born (1962-02-13) February 13, 1962 (age 56)
Residence Los Angeles, California
Education Saybrook University
Occupation Author
Spouse(s) Cacilda Jethá

Christopher Ryan (born February 13, 1963) is an American author best known for co-authoring the book Sex at Dawn (2010). He received a B.A. in English and American literature in 1984, and an M.A. and Ph.D. in psychology from Saybrook University, an accredited hybrid low-residency/online learning program based in San Francisco, twenty years later.[1] His master's thesis examined difference in specific personality measures between working fashion models and the general public.[2] His doctoral dissertation analyzed the prehistoric roots of human sexuality, and was guided by the psychologist Stanley Krippner,[3] a humanistic psychologist, with additional committee members Sabrina Zirkel and Jürgen W. Kremer.[4]

Ryan gave a TED talk[5] titled Are we designed to be sexual omnivores? in February 2013, contributes to Psychology Today[6] and hosts a popular podcast called Tangentially Speaking with Dr. Christopher Ryan.[7]

He is married to his sometime collaborator and co-author of Sex at Dawn, Cacilda Jethá.[8]


  1. ^ Seidman, Barry F.; Dowret, Arnell (2011-02-27). "Speaking of Sex". The Humanist (March–April 2011). Retrieved 2017-08-29.
  2. ^ . 2000. ISBN 9780493717630. Missing or empty |title= (help)
  3. ^ "The Authors / FAQ". Archived from the original on 2012-05-20. Retrieved 2012-06-07.
  4. ^ Ryan, Christopher Patrick (2003). "Human sexual behavior in the Pleistocene: A challenge to the standard model of human evolution". Saybrook University, ProQuest Dissertations and Theses. Retrieved 2017-08-29.
  5. ^ Ryan, Christopher (February 2013), Are we designed to be sexual omnivores?, TED2013: TED Talks, retrieved 2017-08-29
  6. ^ "Sex at Dawn". Psychology Today. Retrieved 2017-08-29.
  7. ^ "Tangentially Speaking". Retrieved 2014-07-21.
  8. ^ Ryan, Christopher (2012-07-27). "For the Record". Psychology Today. Retrieved 30 July 2012.

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