Sidney M. Trantham, PhD is an Associate Professor & Division Director for the Division of Counseling & Psychology at Lesley University in Cambridge, Massachusetts. He received his Ph.D. in 1999 from the University of Florida (Gainesville). His doctoral work focused on exploring the impact of early childhood sexual experiences on the psychological functioning of adult males. He was a Harvard Clinical Fellow (1996-2000) at the Cambridge Health Alliance in Cambridge, Massachusetts, where he completed his clinical psychology internship and neuropsychological post-doctoral fellowships, as well as engaged in research identifying early cognitive markers of HIV-related dementia. His work at Fenway Health (1999-2006) in Boston, Massachusetts included working with adults to address a variety of issues related to sexual identity development. Dr. Trantham maintains a private practice where he provides integrative psychological, neuropsychological, and gender assessment as well as mental health counseling with children, adolescents, adults, and families. Areas of clinical interest and expertise include working with transgender and non-binary children and adolescents, sexual and racial identity development, and mood disorders.