Betty Dodson, of course, is the author of the insanely bestselling book Sex for One, and the consummate orgasm and masturbation guru since the '70s. You might call her a founding mother of women's sexual liberation. I certainly would. (Click for HuffPo Article)
Note from Dr. DeMarco - I'm often surprised at how many men also have some sort of trouble with masturbation or coming to orgasm. There is so much shame and anxiety about sex in general and masturbation in particular, that there aren't very many workshops like this that exist for men, and they could really be beneficial.