Jan Lindemans

ProductBehavioral ScienceHealth

“I turn behavioral science into products that unlock people’s best selves.”

10+ years in mobile health, habits, research, and A/B tests; drive product-market fit at Fabulous (50+ million downloads) from concept to validation; academic background at Duke and Penn with research collaborations with GSK, USAID, and UNICEF.

LinkedIn Résumé CV

Selected work

Fabulous: PM & PMF

Product-Market Fit Lead · 2024 – present

PMF lead on habit-forming health apps (fasting, sleep, anxiety, growth); build and test onboardings and D0 experiences; growth surfaces across the portfolio.

Case study: Sleep app onboarding →
Product managerCodingHealth behaviors

Duke: Health behavior research

Principal of health research · 2015 – 2023

~$3.66M sponsored research; team of ~10; GSK, USAID.

Case study: GSK physician communication →
Team leadPublicationClinical
Case study: Intervention impact calculator →
CodingHealth behaviors

GiveWell: Giving app

Independent prototype · Sep 2026

GiveWell runs cost-effectiveness analyses of global charities and helps people give to the highest-impact options. I built a mobile prototype to make high-impact giving easier and more rewarding.

Case study: Prototype for a giving app →
Mobile appGlobal healthCodingEffective altruism

Penn: Social norms research

Postdoc & co-director · 2013 – 2015

Social norms, behavior change; consulting with UNICEF and CARE International.

Case study: UNICEF child marriage →
Project managerPublication