About Limbix

Our mission is to improve mental health with accessible technology

Millions of teens suffer from depression, anxiety, and other mental illnesses. Suicide is now the #2 cause of death for teens in the US, and not enough has been done to improve access to effective treatments.

Limbix is passionate about delivering mental health treatment to young people who need it the most, when they need it the most. Our team is uniquely suited to develop prescription digital therapeutics, as we understand the value of pairing clinical expertise with technological innovation. Our diverse team of clinicians, product designers, researchers, and engineers are all focused on one thing: improving the lives of teens through accessible mental health treatment.


Ben Lewis

Founder, CEO

Ben is an experienced entrepreneur who started Tapjoy and Karma Science before founding Limbix. Ben has also worked as an Engineering Manager, Engineer, or Product Manager at Google, Microsoft, and Facebook. He has a B.S.E. in Computer Engineering and an MBA from the University of Michigan. He is married with two children and claims to have a killer game of disc golf.

Marisa Cruz, MD

Chief Medical Officer

Dr. Marisa Cruz is the Chief Medical Officer for Limbix. She previously served as the Senior Medical Advisor for the Digital Health Unit in the Center for Devices and Radiological Health at the US Food and Drug Administration, providing leadership in the development and implementation of digital health policy for medical devices. Prior to joining CDRH, Marisa served as a senior advisor to the Associate Commissioner for Public Health Strategy and Analysis. She received her M.D. from the Johns Hopkins School of Medicine, completed an Internal Medicine residency and Endocrinology fellowship at the University of California, San Francisco, and continues to provide clinical care at George Washington University.

Judy Liu

Chief Technology Officer

Judy is the CTO at Limbix. Previously she worked as an engineer at Oculus, Facebook, Karma Science, Tripit, Microsoft, and Palm. Judy has a BS in computer science from University of Illinois at Urbana-Champaign. She loves photography and cooking.

Jon Sockell

Co-founder, COO

Jon is a technology entrepreneur and co-founder at Limbix. Prior to Limbix, Jon ran marketing at KeepTruckin and key product marketing verticals at Medallia, and helped drive each company's valuation to over $1B. Jon has a BA in Economics from Washington University in St. Louis, and an MBA from Vanderbilt University. His hobbies include golf, travel, basketball, and scrabble.

Jessica Lake, PhD

Director of Science & Innovation

Jessica is a cognitive neuroscientist who leads research at Limbix. She has a B.S in Neuroscience & Behavioral Biology from Emory University, an M.A. and Ph.D. in Cognitive Neuroscience from Duke University, and completed a postdoctoral research fellowship in translational psychology at UCLA. Her favorite things are putting food into her face, finding new music to listen to, and talking about learning to play the accordion.

Elise Ogle

Head of Content

Elise is a program manager at Limbix. She received her BA and MA from Stanford University, where she studied the psychological and behavioral effects of virtual reality on empathy. She previously worked in the Virtual Human Interaction Lab at Stanford, where she designed immersive, educational experiences to increase pro-social attitudes and behaviors. Outside of Limbix, Elise runs a youth field hockey club program, coaching young women ages 8-21.

Gabe Strauss

Sr. Product Manager

Gabe is a product manager who specializes in building products that improve people's health and wellbeing. Gabe has a background in psychology, growth marketing, and design, and he brings empathy and a scientific approach to product development. He received a BS in Psychology from the University of Melbourne.

Aarthi Padmanabhan, PhD

Director of Clinical Research

Aarthi is a Research Director at Limbix with a B.S. in Cognitive Science from Carnegie Mellon University and a PhD in Cognitive Psychology from the University of Pittsburgh. Aarthi completed two post doctoral fellowships before working as a Scientific Research Director in the Department of Psychiatry and Behavioral Sciences at Stanford. She loves the ocean, travel, trashy television shows, and animals.

Josh Klag

Sr. Software Engineer

Josh is a software engineer at Limbix. He holds a BS and MS in computer science from Vanderbilt University, with coursework and research focusing on virtual reality. Outside of work, Josh is an avid ice hockey fan and a wildly unsuccessful singer, songwriter, and guitarist.

Xin Koepsell, LMFT

Product Designer

Xin is a product designer at Limbix. She is passionate about creating products that have emotional connections with people. Xin is a licensed therapist in the state of California and obtained her MS in Marriage and Family Therapy from University of Rochester. She also loves hotpot and enjoys sleuthing for house plants on weekends.

Matthew Frisby

Software Engineer

Matthew is a software engineer at Limbix living in Minneapolis, Minnesota. He graduated with B.S. in Computer Science from UNC Chapel Hill and has spent his early career focusing on Healthcare Technology UnitedHealth/Optum and now Limbix. Outside of work Matthew enjoys trying restaurants in Minneapolis, attending concerts, walking/hiking, and catching up on current events.

Lauren Smith

Lauren Smith

Research Coordinator

Lauren is a research coordinator at Limbix. She received her BS in Psychology and previously worked in research focused on visual supports and their ability to help facilitate the daily lives of adults with developmental disabilities. Outside of Limbix, Lauren loves spending time in the sun, traveling, and being around her close family and friends.

Vera Kulikov

Vera Kulikov

Research Coordinator

Vera is a Research Coordinator at Limbix with a B.A. in Molecular and Cell Biology and a B.A in Psychology from UC Berkeley. Her previous research experience involved assessing cardiovascular measures as indicators of anxiety and depression disorders and fMRI measures to study cognitive and behavioral components in consumer behavior. In her free time, Vera enjoys working on art and illustrations and watching and discussing film and tv.

Ian Miller

Research Coordinator

Ian is a clinical research coordinator at Limbix. He received his BA in Psychology from Loyola Marymount University and has previously conducted research exploring mobile phones, virtual reality and other screen media in health and human development. Prior to joining Limbix, Ian researched applications of virtual reality to facilitate communication and daily life skills with autistic individuals. Outside of work, he enjoys outdoor activities like hiking and camping, cooking for friends and family, and the occasional round of golf.

Katie Kreitzer

Content Strategist

Katie is a content strategist at Limbix committed to creating inclusive design solutions that reduce societal barriers and stigma experienced by those living with mental illness, chronic illness, and disability. She previously worked in elementary school classrooms, adapting curriculum to accommodate students with disabilities, and studied psychology and human development at the University of California, San Diego. Her home is a constant rotation of foster animals and paint colors.

Janel Shelton DeMagnus

Clinical Research Administrator

Janel is the Clinical Research Administrator at Limbix.  She has a B.S. in Biology from Harding University, a M.S. in Biology from TWU, and a M.S. in Physician Assistant Studies from UTHSCA.  She has an extensive background in clinical research ranging from protocol development, study recruitment and maintenance, through study closure.  Outside of Limbix, she loves reading, cooking, and spending time with her family.

Lead Investors