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Study Team

Emily BarrettEmily S. Barrett, Ph.D.

TIDES URMC Center Director
Adjunct Associate Professor of Obstetrics and Gynecology and Public Health Sciences at the University of Rochester Medical Center

Dr. Barrett has been part of the TIDES team since the study began in 2009 and remembers many of the URMC TIDES participants as infants. Dr. Barrett’s studies how environmental chemicals and stress can affect women’s health during pregnancy as well as their children’s development.  She has published dozens of scientific articles on this topic and regularly gives presentations on this work around the country. As a mom of three school-age kids, Dr. Barrett is passionate about protecting kids from harmful chemicals to ensure they reach their full potential. When she’s not working on TIDES or chasing her kids around, she enjoys exercise, reading, and puzzles.

Tye JohnsonTye N. Johnson, M.P.H.

Study Coordinator

Tye is an OB/GYN department human subjects research coordinator. She graduated with a B.A. in Epidemiology from the University of Rochester and M.P.H. in Public Health from the University of Rochester Medical Center. Her research experience includes projects on smoking cessation, liver disease, child influenza vaccination, and academic, social, and emotional support for underprivileged teens. She has been working with the TIDES team since 2018. In her free time, Tye enjoys travel, gaming, combat sports, and creating digital art. 

Tye is the lead point of contact for the study and can be reached at or (585) 276-8728.

Thomson Kelly, B.S.

Study Coordinator

Tom is a Human Subject Research Coordinator in OB/GYN. He graduated with a B.S. in Psychology from Rochester Institute of Technology. His previous research experience dealt with the effects of substance abuse on cognitive functioning among young adults (18-24 years of age). He has been working with the TIDES team since 2020.

Thomson can be reached at or (585) 275-9182.

Andrea Hart, M.S.


Andrea is a study coordinator and analyst/programmer with the OB/GYN department. She earned her bachelor’s in Psychology from St. John Fisher College and her master’s in Human-Computer Interaction from Iowa State University. She has been working at the University of Rochester since 2012, working on research topics such as childhood development, trauma and resiliency, and maternal-fetal health. Since 2016, she has been an active study coordinator with the TIDES project, seeing many of our families for their 4- and 6-year TIDES visits! Andrea is also an avid gardener and hiker, often doing both around the Rochester area while accompanied by her two young dogs!