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Lee Ellis vs. transgender people

Lee Ellis is an American criminologist, sociobiologist, and anti-transgender activist. Ellis was a member of the Human Biodiversity Institute eugenics group run by Steve Sailer. Ellis organized The Puzzle of Sexual Orientation, a conference attended by many leading lights in the academic pathologization of sex and gender minorities.


Altis Lee Ellis¬†was born on March 1, 1942 and grew up on a farm near Iola, Kansas. Ellis earned a bachelor’s degree from Pittsburg State University in Pittsburg, Kansas in 1966 and a master’s degree in 1970. Ellis then earned a doctorate in criminology from Florida State University in 1983.

Ellis married Heather Anne Ellis (born 1942).

Anti-transgender activism

Much of Ellis’ work focused on reifying sex differences, with a sociobiological take on things like rape and sexual orientation.

Beginning in 1995, Ellis hosted a conference on the biological basis of sex and gender minorities every five years. The first one was called the¬†International Behavioral Development Symposium on the Biological Basis of Sexual Orientation, Gender Identity, and Sex-Typical Behavior. Recent conferences are called The Puzzle of Sexual Orientation. The invite-only conference is a who’s who in the¬†academic pathologization of trans people. The conference has continued after Ellis retired.


Zucker KJ (2008). Special Issue: Biological Research on Sex Dimorphic-Behavior and Sexual Orientation. Arch Sex Behav 37, 1 (2008).

Vasey PL, Lalumiere ML (2012). Introduction to the Special Section ‚ÄúThe Puzzle of Sexual Orientation: What Is It and How Does It Work?‚ÄĚ Archives of Sexual Behavior¬†volume¬†41,¬†pages 11‚Äď12

Zucker, K. J., Ellis, L., Bailey, J. M., & Blanchard, R. (2002). Guest Editors’ Introduction: Biological research on sex-dimorphic behavior and sexual orientation. Archives of Sexual Behavior, 31, 7.

Zucker, K. J. (2008). Special issue: Biological research on sex-dimorphic behavior and sexual orientation. Archives of Sexual Behavior, 37, 1.

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Ellis, Lee; Ebertz, Linda [Eds.] (1998). Males, Females, and Behavior: Toward Biological Understanding ISBN 978-0275959418

Social Stratification and Socioeconomic Inequality: Volume 1: A Comparative Biosocial Analysis

Social Stratification and Socioeconomic Inequality: Volume 2: Reproductive and Interpersonal Aspects of Dominance and Status

Theories Of Rape: Inquiries Into The Cause Of Sexual Aggression

Biosocial Criminology: Challenging Environmentalism’s Supremacy

Criminology: An Interdisciplinary Approach

Crime in Biological, Social, and Moral Contexts

Criminology: A Global Perspective

Sex Differences: Summarizing More Than a Century of Scientific Research

Resources (defunct)