Sexual and Gender Identity Institute

Through research, training, and consultation, we work to further understanding of sexual and gender identity from within a Christian worldview, to explore the intersection of these identities with religious identity, and to be a resource to the church and to the broader culture.

Learn More About Our Work

“I witness many signs of hope. I don’t have to wait until all is well, but I can celebrate every little hint of the Kingdom that is at hand.” ― Henri J.M. Nouwen

When Children Come Out: A Guide for Christian Parents

"Yarhouse and Zaporozhets reframe the focus away from "culture war" questions that are not helpful to families in favor of practical counsel for maintaining and deepening relationships."

Find out about the new book from Mark Yarhouse and Olya Zaporozhets

Sexual & Gender Identity Institute

The mission of the Sexual & Gender Identity Institute is, from a Christian worldview, to further our understanding of sexual and gender identity, and the intersection of these identities with religious identity, and to be a resource to the church and to the broader culture.  We do this through research, training, and consultation.

The mission of SGI is consistent with the Wheaton College Community Covenant.

Theology in the Raw

July 17, 2023: A Raw Conversation with the Master Yoda of the Faith and LGBTQ Conversation: Dr. Mark Yarhouse

In this conversation, Mark Yarhouse and host Preston Sprinkle discuss the sexuality/gender conversation over the last 25 years including sexual orientation change efforts, the cause of same-sex attraction, the complexity of gender dysphoria and gender identity, the role that social influence plays in the rise in teens identifying as trans, and many other questions. 


gender identity and faith book cover

Gender Identity & Faith

Clinical Postures, Tools, and Case Studies for Client-Centered Care

Drawing from their extensive research and experience with clients, Mark Yarhouse and Julia Sadusky provide a timely, practical resource for practitioners to help people who wish to take seriously their gender identity, their religious identity, and the relationship between the two.


When Children Come Out

A Guide for Christian Parents

When a child comes out as LGBTQ+, Christian parents often find themselves navigating unfamiliar, unsettling terrain.  Mark Yarhouse and colleague Olya Zaporozhets deliver research-based insights and faithful wisdom in an essential and hopeful resource for parents, their friends, and church leaders.

SGI Lab 2022


We have anywhere from 5-6 lines of research being conducted at any one time. Discover our current highlights.


Consultation and Training Services

We offer consultations and clinical trainings related to sexual and gender identity concerns.

Books from above


Browse a variety of helpful resources around gender identity issues including articles, workbooks, videos, books, professional referrals, and academic papers.

Mark Yarhouse
About the Sexual and Gender Identity Institute

Learn more about who we are and what we do. Meet the professionals who conduct original research on sexual or gender identity and faith to help further our understanding of these complex experiences.