Decoding the science behind soulmates

We partner with top researchers to study attraction, compatibility, and what makes relationships last.

We provide match data, outcome metrics, and in-product experiments. Our engineers build custom surveys, psychometric tools, and longitudinal tracking. Everything is privacy-first and IRB-friendly.

Submit research proposal

Meet the experts advancing Keeper’s research

Geoffrey Miller, PhD

Expert in human mate choice, signaling theory, and evolutionary psychology

Bestselling author of The Mating Mind, Spent, and Mate

Shapes Keeper’s scientific framework for attraction and partner matching

Learn about Geoffrey

Michal Kosinski, PhD

Pioneer in computational psychometrics and digital behavior prediction

Proved that digital footprints can accurately predict personality traits, preferences, and behaviors at scale

Guides Keeper’s psychometric modeling and data-driven insights

Learn about Michal

Naman Gupta, PhD Student

PhD researcher, Stanford Management Science & Engineering

Specializes in dating market analysis, optimization, and algorithm design for two-sided matching

Leads internal studies on relationship formation predictors and optimizes Keeper’s matching algorithms

Learn about Naman

One of the richest datasets in the world

1.5M users and growing

Combining structured data with deep, long-form responses

Age

Height

Politics

Religion

Gender

Big 5 traits

additional personality measures

lifestyle habits

Exercise routines

Dietary preferences

Pet ownership

Attachment Styles

and much more

Deeply committed to privacy

All data used in research is 100% anonymized.

User privacy is our highest priority. We take rigorous measures at every stage to protect user identities and personal information, enabling scientific breakthroughs without compromising trust.

Decoding the science behind soulmates

Meet the experts advancing Keeper’s research

Research Proposal