# Tech & Society Lab | People and Collaborators ![KMC entrance in Spring](/sites/default/files/styles/866w/public/2026-08/stern_image_1.jpg?h=4878e0c6&itok=tM3FhP_b) ## People & Collaborators Meet the faculty and researchers of the Technology and Society Lab. --- ## Faculty and Researchers - [ ![Jonathan Haidt](/sites/default/files/styles/480w_x_543h/public/2026-09/bsp_headshot_haidt.jpg?h=e4ad0fbb&itok=qOub4Apc) ](/faculty/bio/jonathan-haidt) [### Jonathan Haidt ](/faculty/bio/jonathan-haidt)**Faculty Director and Author of** ***The Anxious Generation*** [ Jonathan Haidt's Faculty Bio ](/faculty/bio/jonathan-haidt) - [ ![Man with brown hair in black jacket ](/sites/default/files/styles/480w_x_543h/public/2026-09/img_1305_1_1.jpg?h=9d7573e3&itok=1wZADiOL) ](/experience-stern/about/departments-centers-initiatives/academic-departments/business-society-program/tech-and-society-lab/people-and-collaborators/zach-rausch) [### Zach Rausch ](/experience-stern/about/departments-centers-initiatives/academic-departments/business-society-program/tech-and-society-lab/people-and-collaborators/zach-rausch)**Managing Director and Chief Researcher** [ Learn more about Zach Rausch ](/experience-stern/about/departments-centers-initiatives/academic-departments/business-society-program/tech-and-society-lab/people-and-collaborators/zach-rausch) - [ ![Ravi Iyer](/sites/default/files/styles/480w_x_543h/public/2026-09/ravi-resized_1.png?h=ea3fb747&itok=7TttcxRV) ](/experience-stern/about/departments-centers-initiatives/academic-departments/business-society-program/tech-and-society-lab/people-and-collaborators/ravi-iyer) [### Ravi Iyer ](/experience-stern/about/departments-centers-initiatives/academic-departments/business-society-program/tech-and-society-lab/people-and-collaborators/ravi-iyer)**Research Advisor** [ Learn more about Ravi Iyer ](/experience-stern/about/departments-centers-initiatives/academic-departments/business-society-program/tech-and-society-lab/people-and-collaborators/ravi-iyer) - [ ![Hankyung Kate Jun](/sites/default/files/styles/480w_x_543h/public/2026-09/kate-resized_1.png?h=32bb184c&itok=7ZT8bTpl) ](/experience-stern/about/departments-centers-initiatives/academic-departments/business-society-program/tech-and-society-lab/people-and-collaborators/hankyung-kate-jun) [### Hankyung Kate Jun ](/experience-stern/about/departments-centers-initiatives/academic-departments/business-society-program/tech-and-society-lab/people-and-collaborators/hankyung-kate-jun)**Senior Research Scientist** *Early Childhood and Family Technology; Policy Evaluation* [ Learn more about Hankyung Kate Jun ](/experience-stern/about/departments-centers-initiatives/academic-departments/business-society-program/tech-and-society-lab/people-and-collaborators/hankyung-kate-jun) - [ ![Carmen Hui Jing Lim](/sites/default/files/styles/480w_x_543h/public/2026-09/carmen-resized_1.png?h=764d9387&itok=mn-d1GBD) ](/experience-stern/about/departments-centers-initiatives/academic-departments/business-society-program/tech-and-society-lab/people-and-collaborators/carmen-hui-jing-lim) [### Carmen Hui Jing Lim ](/experience-stern/about/departments-centers-initiatives/academic-departments/business-society-program/tech-and-society-lab/people-and-collaborators/carmen-hui-jing-lim)**Senior Research Scientist** *EdTech and Global Health* [ Learn more about Carmen Hui Jing Lim ](/experience-stern/about/departments-centers-initiatives/academic-departments/business-society-program/tech-and-society-lab/people-and-collaborators/carmen-hui-jing-lim) - [ ![Nathan Witkin](/sites/default/files/styles/480w_x_543h/public/2026-09/nathan-resized_1.png?h=8726e0c1&itok=I-JXjVC2) ](/experience-stern/about/departments-centers-initiatives/academic-departments/business-society-program/tech-and-society-lab/people-and-collaborators/nathan-witkin) [### Nathan Witkin ](/experience-stern/about/departments-centers-initiatives/academic-departments/business-society-program/tech-and-society-lab/people-and-collaborators/nathan-witkin)**Research Scientist** *AI and Social Media* [ Learn more about Nathan Witkin ](/experience-stern/about/departments-centers-initiatives/academic-departments/business-society-program/tech-and-society-lab/people-and-collaborators/nathan-witkin) - [ ![Nikolaus Greb](/sites/default/files/styles/480w_x_543h/public/2026-09/nik-resized_2.png?h=f7495f53&itok=WD5uzduR) ](/experience-stern/about/departments-centers-initiatives/academic-departments/business-society-program/tech-and-society-lab/people-and-collaborators/nikolaus-greb) [### Nikolaus Greb ](/experience-stern/about/departments-centers-initiatives/academic-departments/business-society-program/tech-and-society-lab/people-and-collaborators/nikolaus-greb)**Research Associate** *Cross-National Health Measurement Specialist* [ Learn more about Nikolaus Greb ](/experience-stern/about/departments-centers-initiatives/academic-departments/business-society-program/tech-and-society-lab/people-and-collaborators/nikolaus-greb) - [ ![Emma Park](/sites/default/files/styles/480w_x_543h/public/2026-09/emma-resized_1.png?h=60d50c07&itok=zmCK9dcu) ](/experience-stern/about/departments-centers-initiatives/academic-departments/business-society-program/tech-and-society-lab/people-and-collaborators/emma-park) [### Emma Park ](/experience-stern/about/departments-centers-initiatives/academic-departments/business-society-program/tech-and-society-lab/people-and-collaborators/emma-park)**Research Associate** *Educational Trends and Phone-Free Schools Specialist* [ Learn more about Emma Park ](/experience-stern/about/departments-centers-initiatives/academic-departments/business-society-program/tech-and-society-lab/people-and-collaborators/emma-park) - [ ![Bennett Sippel](/sites/default/files/styles/480w_x_543h/public/2026-09/bennett-resized_1.png?h=6e270ba3&itok=DVvYtiVW) ](/experience-stern/about/departments-centers-initiatives/academic-departments/business-society-program/tech-and-society-lab/people-and-collaborators/bennett-sippel) [### Bennett Sippel ](/experience-stern/about/departments-centers-initiatives/academic-departments/business-society-program/tech-and-society-lab/people-and-collaborators/bennett-sippel)**Research Associate** *Tech Industry Specialist* [ Learn more about Bennett Sippel ](/experience-stern/about/departments-centers-initiatives/academic-departments/business-society-program/tech-and-society-lab/people-and-collaborators/bennett-sippel) ## Collaborators [ ![CHEO Research Institute logo](/sites/default/files/styles/300w/public/2026-05/cheo-logo.png?itok=TPDxKS4J) ](https://www.cheoresearch.ca/) [ ![Stanford University Social Media Lab logo](/sites/default/files/styles/300w/public/2026-05/social-media-lab.png?itok=sxKknmYw) ](https://sml.stanford.edu/) [ ![American Institute for Boys and Men logo](/sites/default/files/styles/300w/public/2026-05/aibm-1062h.png?itok=ZBr7pq8e) ](https://aibm.org/) [ ![The Harris Poll Logo](/sites/default/files/styles/300w/public/2026-08/the_harris_poll_logo-3000x1062.png?itok=D_3vKWOM) ](https://theharrispoll.com/) [ ![USC Marshall Neely Center for Ethical Leadership and Decision Making logo](/sites/default/files/styles/300w/public/2026-05/usc-neelycenter.png?itok=0uk9mh5c) ](https://www.marshall.usc.edu/institutes-and-centers/neely-center-for-ethical-leadership-and-decision-making) [ ![Stanford Center for Digital Health logo](/sites/default/files/styles/300w/public/2026-08/stanfordcdh-logo-1850x1062.png?itok=q1F4mH9N) ](https://cdh.stanford.edu/)