Mr. Vigorito is a sexual health psychotherapist, author and consultant.  In his District of Columbia private practice, he conducts individual, couples and group psychotherapy for a range of sexual and behavioral health concerns including consensual sexual behavior problems, relationship and sexual dissatisfaction, erotic identity development and sex-drug linked behaviors. He co-designed a sexual health assessment and treatment protocol with Douglas Braun-Harvey, which was published in Treating Out of Control Sexual Behavior - Rethinking Sex Addiction (2016) (SSTAR 2018 Health Professional Book Award Winner).  As a sexual health consultant for Behavioral Health Systems Baltimore and University of Maryland - Prevention Research Center, Mr. Vigorito designed and implemented capacity-building initiatives to integrate sexual health into mental health and substance use disorder treatment. These programs offered trainings and technical assistance in conducting routine sexual health conversations, sexual risk-reduction counseling, and LGBTQ cultural competency within behavioral health systems of care. Mr. Vigorito is licensed in the District of Columbia and Virginia as a Marriage & Family Therapist [DC LMFT000153; VA 0717001280] and a Certified Group Psychotherapist through the American Group Psychotherapy Association and a Certified Sex Therapist through the American Association of Sexuality Educators, Counselors and Therapists.

Sexual health author, trainer and psychotherapist Douglas Braun-Harvey bridges sexual and mental health and facilitates organizational change. In 2013 Doug Braun-Harvey and Al Killen-Harvey co-founded The Harvey Institute, an international education, training, consulting and supervision service for Improving health care through integration of sexual health.  The Harvey Institute curriculum “Sexual Health Conversations” developed for Los Angeles Department of Child Welfare helped catalyze a 2017 statute mandating over 100,000 California foster youth professionals and parents to receive training on methods for talking with youth about sexual health. Since 1993 he has been developing and implementing a sexual health based treatment approach for men with out of control sexual behavior (OCSB). His new book “Treating Out of Control Sexual Behavior: Rethinking Sex Addiction” written with co-author Michael Vigorito was selected as the 2018 Health Professional Book by the Society for Sex Therapy and Research (SSTAR). Previous publications include “Sexual Health in Recovery: Professional Counselor’s Manual” (2011) and “Sexual Health in Drug and Alcohol Treatment: Group Facilitator’s Manual” (2009). Mr. Braun-Harvey is Licensed Marriage and Family Therapist, Certified Sex Therapy Supervisor and Certified Sex Therapist. He is honored, as an alumnus of the University of Minnesota, to join their Leadership Council for the Program in Human Sexuality in which he is a founding donor of the Doug Braun-Harvey Fellowship in Compulsive Sexual Behavior. He has been providing individual and group therapy in his San Diego private practice since 1987.

Mariotta Gary-Smith is a 2nd generation Oregon (Portland) native & a 3rd generation social justice activist/agitator. Her educational career includes degrees from Agnes Scott College (BA, 1995); and the Rollins School of Public Health at Emory University (MPH, 2008), as well as being an alum of the 2008-2009 Inaugural Class of the Center of Excellence for Sexual Health (CESH) Scholars Fellowship Program at Morehouse School of Medicine. In 2009, Mariotta co-founded the Women of Color Sexual Health Network (WOCSHN – ‘wok-shyn’); an online-based, collective organization for female-identifying/women sexuality professionals of color. She’s an AASECT (American Association of Sexuality Educator, Counselors & Therapists) Certified Sexuality Educator, served as the 2016-2017 AASECT Annual Conference Co-Chair; and is a past Associate Editor for the American Journal of Sexuality Education (AJSE). Mariotta remains committed to creating safe spaces for culturally relevant and intentionally focused education about sex, sexuality, sexual health, reproductive & social justice for communities of color. 

Dr. Inge Hansen is a Clinical Psychologist and the Asst. Director of Outreach, Equity and Inclusion for Counseling and Psychological Services (CAPS) at Stanford University. She the co-founder and Director of the Weiland Health Initiative, which is dedicated to promoting mental health and wellness across all genders and sexualities. This initiative has generated a variety of innovative clinical and educational programs at Stanford and beyond.  Dr. Hansen is also a co-founder of Gender-Inclusive Stanford, a campus-wide initiative dedicated to creating a better environment for trans and non-binary students. Dr. Hansen has developed several new academic courses in the realm of gender and sexualities, including Challenging Sex & Gender Dichotomies in Medicine, Human Sexual Diversity and Health, and Transgender Studies.  She is a popular speaker and consultant on gender and sexual diversity topics. Each year, Dr. Hansen holds a symposium on gender or sexual health, and for the last two years she has had the honor of co-organizing and hosting World Sexual Health Day on behalf of North America.

Antón Castellanos Usigli, MPH, is the Director of Prevention Programs at Wyckoff Heights Medical Center in Brooklyn, NY, managing a portfolio of four sexual health prevention programs that deliver services such as HIV/STI testing, STI treatment, Pre-Exposure Prophylaxis (PrEP) and linkage to HIV medical care to hundreds of clients every year. At Wyckoff, he started an innovative online outreach strategy for MSM that has driven the increase of HIV/STI testing numbers and the number of clients who start taking PrEP. Antón's work of HIV prevention in Brooklyn was featured by The Guardian and Vox. As a consultant, he has worked for the Northern Manhattan Perinatal Partnership (NMPP), for RNW Media, the International Planned Parenthood Federation (IPPF) and UNFPA. For IPPF he co-authored "Fulfil! Guidance Document for the Implementation of Young People’s Sexual Rights" (2016). He is a Member of the Global Advisory Board (GAB) for Sexual Health and Wellbeing, a group of global experts brought together by Durex (the leading sexual wellbeing brand in the world) to advance the links between sexual health, sexual rights and sexual pleasure across policies and programs. Antón has a Master of Public Health from Columbia University in New York City and has been a speaker in Congresses across eleven countries.

Dr. Sara Nasserzadeh, Ph.D. is a social psychologist, and a thought leader in the fields of cultural fluency, diversity and inclusion, sexual health, and relationships. In addition to her clinical work as a psychosexual therapist and couples counselor, Dr. Nasserzadeh is a sought after keynote speaker. She is a prolific and award-winning author with two books, several book chapters, and a multitude of peer-reviewed articles and white papers to her credit. 

In 2006 Dr. Nasserzadeh combined her field expertise and her journalism background to create and host a program called Whispers for the BBC World Service, Whispers went on to receive the BBC's Innovation of the Year Award in 2007 in London. This program was the first of its kind in the Middle East, and is still on the air, continuing to reach millions of Farsi-speaking viewers across the globe.Over the years, Dr. Nasserzadeh has been a facilitator for high level meetings and a senior cultural advisor for governments, international NGOs, UN agencies, Fortune 500 companies, academic institutions, professional organizations, and in the private sector across 37 countries. In 2007, Dr. Nasserzadeh received the World Association for Sexual Health runner-up award for Excellence and Innovation for her international work in the area of human development in Sydney. In 2011, she was a winner of Pfizer's Innovation of the Year Award for revitalizing the company's Customer Insights Council, and for designing an integrative strategic plan to make customers a priority. 

Dr. Nasserzadeh has served on the boards of various professional organizations presently, she serves at the Board of the World Association for Sexual Health (WAS) and Religion and Sexual & Reproductive Health Rights Task Force of the United Nations Population Fund (UNFPA). She is the co-organizer of the World Sexual Health Day at Stanford University.  Dr. Nasserzadeh is based in Palo Alto, California, and travels widely. You can find Dr. Sara on Twitter, Facebook and Instagram.

Pepper Schwartz, is Professor of Sociology at the University of Washington. She received in Bachelors and Masters from Washington University in St Louis ( where she received commendation as a Distinguished Alumni) and her Ph.D. from Yale University (where she served for many years on the graduate alumni council). She is past President of the Society for the Scientific Study of Sexualities, Past President of the Pacific Sociological Association,  has been a member of the International Academy of Sex Research and is the recipient of many awards for her work including the award from the American Sociological Association for Public Understanding of Sociology. She presently serves on the advisory board of the Program on Human Sexuality in the Family Medicine department of the University of Minnesota where they are creating the Pepper Schwartz Professorship on Sexuality and Aging.  She served as the Love, Sex and Relationship Ambassador for AARP ( the American Association of Retired Persons) for 12 years and she wrote the matching Algorithm for Perfectmatch.com and was their relationship expert.  She is the author of 25 books, two of which ( American Couples: Money Work and Sex and The Normal Bar: the surprising secrets of happy couples, were on the New York Times best seller list. Her book with Dominick Cappella, Ten Talks Parents Must have with their children about sex and character was an award winner from Mothers Voices  and a bestseller on Amazon.com. Her book Places for Passion: the 75 most romantic destinations in the world was named as a best book for grown ups by AARP. She has written over 50 academic articles  and served on the editorial boards of many journals including the  International Journal of Family Issues and the American Journal of Sociology.  She is presently one of the relationship experts on Married at First Sight, now in its 8th season on Lifetime Television.  She is married to Fred Kaseburg  and lives on a horse ranch in " Twin Peaks" Washington.