Our Team

Providers
Shivkumar Hatti, MD
MBA - CEO & Principal Investigator
Dr. Hatti, a board-certified General Adult Psychiatrist, has been practicing in Media and West Chester, Philadelphia, for over four decades. As the CEO of Suburban Research Associates since 1999, he has led more than 250 pharmaceutical research trials. A graduate of Seth G.S. Medical College in Mumbai and an Assistant Clinical Professor at Thomas Jefferson University, Dr. Hatti is a recognized leader in psychiatric research. He has held prominent positions such as President of the National Indo-American Psychiatric Association (IAPA) and the American Association of Psychiatric Administrators (AAPA). In 2010, he received the NAMI Exemplary Psychiatrist Award. Dr. Hatti’s extensive expertise and leadership make him a valuable collaborator for Sponsors and CROs in clinical research.
Kristen Dopf, MHS
PA-C - Principal & Sub-Investigator
Kristen is a nationally board-certified Physician Assistant licensed in Pennsylvania and Delaware. She has over nine years of clinical experience and has spent more than 20 years in the healthcare field. Kristen graduated from Drexel Hahnemann University where she also earned a master’s degree in health science. She joined Suburban Research Associates as an Investigator in 2022 and is certified in good clinical practice. Her responsibilities include conducting scale assessments and overall study oversight.
Krystal Gamez, PsyD
Clinical Rater
Krystal is a licensed psychologist and a Clinical Rater for Suburban Research Associates. She received her Doctorate in Psychology from Immaculata University and completed her postdoctoral residency at Elwyn, where she is currently the clinical director of Outpatient and Recovery Services. Krystal has a background in clinical research with individuals diagnosed with schizophrenia and autism and completed a clinical efficacy trial for her dissertation. At Suburban Research, Krystal is responsible for conducting assessments with patients to determine study eligibility and to measure study outcomes.
Ashley Ross
Head of Site Operations
Ashley joined Suburban Research Associates as a research coordinator in November 2020. She completed her B.S. in Neuroscience at Cedar Crest College in May 2020. While in school, she spent three years working on her independent research project and completing her undergraduate thesis. Ashley is trained in Good Clinical Practice, phlebotomy and IATA. She was promoted to Clinical Site Manager in October 2021 and then Head of Site Operations in November 2023 and oversees all site activity.
Ayana Brown
Study Manager

Ayana joined Suburban Research Associates as a research coordinator in April 2021. She received her B.S. in Neuroscience and B.S. in Business Administration at Cedar Crest College in May 2020. She graduated with her MBA at Cedar Crest College in August 2021. During her undergrad, she spent three years working on her independent research project. Ayana is trained in Good Clinical Practice and IATA.

Alex Hollis
Senior Clinical Research Coordinator

Alex joined Suburban Research Associates as a research coordinator in April 2022. He completed his bachelor’s in biology at Shippensburg University in 2020. Prior to working at SRA, Alex worked in the Healthcare field, predominantly in dentistry and pharmacies. Alex is trained in Good Clinical Practice and IATA.

Scroll to Top