Leadership & Staff

Paul M. Wax, MD, FACMT
Co-PI, ToxIC Program

Dr. Wax is the Executive Director of the American College of Medical Toxicology and founded ToxIC program in 2009 with Dr. Brent. 

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He received his B.A from Dartmouth College, his M.D. from the Mount Sinai School of Medicine, his Emergency Medicine training at the UCLA Hospitals, and his Medical Toxicology training at Bellevue Medicine Center / New York University. He is Board-certified in both Medical Toxicology and Emergency Medicine, and is a Fellow of the American College of Medical Toxicology. 

Dr. Wax is also a Clinical Professor in Emergency Medicine (Medical Toxicology) at the University of Texas, Southwestern School of Medicine, where he is the Director of the Medical Toxicology Clinic. Before joining ACMT in 2008 as its Executive Director, and the University of Texas Southwestern in 2006 as a part-time faculty member, Dr. Wax had faculty appointments in the Departments of Emergency Medicine at the University of Rochester School of Medicine from 1991-2001 and the University of Arizona School of Medicine from 2001-2006. 

Dr. Jeffrey Brent
Jeffrey Brent, MD, PhD, FACMT
Co-PI, ToxIC Program

Dr. Brent is a Distinguished Clinical Professor of Medicine and of Emergency Medicine at the University of Colorado, School of Medicine. He co-founded the ToxIC Program in 2009 with Dr. Wax.

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Jeffrey Brent, M.D., Ph.D. founded the Toxicology Investigators Consortium along with Paul Wax, M.D. Dr. Brent is a Distinguished Clinical Professor of Medicine and of Emergency Medicine at the University of Colorado, School of medicine. He holds a secondary appointment in the Department of Environmental and Occupational Health at the Colorado School of Public Health.

Dr. Brent has a long career as a practitioner, educator, and researcher in medical toxicology. He holds multiple honors and awards and is a frequent invited speaker and visiting professor. He is the Senior Editor of Critical Care Toxicology: the Diagnosis and Management of the Critically Poisoned Patient, the second edition of which was published in 2017. His major research interests are clinical studies and trials and the intensive care management of seriously poisoned patients.

Stephanie Abston, RN, BSN
Clinical Research Manager

Stephanie manages several multi-center projects and provides support for participating ToxIC institutional research teams. As a site liaison, she is an essential link between our investigators and partners.

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Stephanie Abston joined the Toxicology Investigators Consortium/ACMT in October 2020.  Prior to working with ToxIC, she obtained her BSN from the University of Alabama. She has over a decade of combined public health nursing and clinical research experience.

Stephanie has become an integral liaison for research teams and investigators at participating institutions. In addition, she provides support for the initiation of new multi-center projects, ensures that research is conducted in compliance with the study protocol, and assists with the processing of contractual agreements.

Kim Aldy, DO, MS, MBA
ToxIC Program Director

Dr. Aldy is responsible for the day to day management of the ToxIC program, staff and site coordination, helping with research projects and publications, and acquiring support for ToxIC through grants and related activities.

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Dr. Aldy initially joined the Toxicology Investigators Consortium with the American College of Medical Toxicology as the first ToxIC intern, where she led a vaping initiative around the country. In her new position with ToxIC, Dr. Aldy is responsible for the day to day management of the ToxIC program, staff and site coordination, helping with research projects and publications, and acquiring support for ToxIC through grants and related activities.

Dr. Aldy earned her medical degree at the University of North Texas Health Science Center in Fort Worth, Texas. During her medical school training, she concurrently applied and enrolled in an MBA program with concentration in Health Management at the University of North Texas which she attained shortly after starting residency. She completed an emergency medicine residency at Western Michigan University in Kalamazoo, Michigan. She attended her Medical Toxicology Fellowship at University of Texas at Southwestern Medical Center in Dallas, Texas. 

Dr. Aldy has an academic and clinical affiliation within the departments of Emergency Medicine and Medical Toxicology at the Baylor University Medical Center in Dallas, Texas.

Sharan Campleman, PhD, MPH, DABT
Toxicology Data Research Scientist

Sharan provides technical research expertise in disease surveillance, toxicology, and epidemiologic operations to develop, enhance, and maintain standardized data collection across projects under the Toxicology Investigators Consortium.

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Sharan Campleman is an environmental toxicologist with research and project management experience in the public and private sectors, including over ten years as a regional epidemiologist, researcher, certified tumor registrar and medical data specialist at the California Cancer Registry and Westat (Rockville, MD). In addition, as a Project Manager and Environmental Health Scientist at the Electric Power Research Institute, her research focused on the health effects of trace metals and organics; the assessment of effects related to mixed chemical exposures; cumulative risk assessment; and, the development and utilization dose-response models for quantifying risk at low exposure levels.

Sharan is a Diplomat of the American Board of Toxicology (DABT).  She received a Ph.D. and M.P.H. in Environmental Health Sciences (emphasis in toxicology) from the University of California at Berkeley, followed by post-doctoral training in environmental epidemiology as a fellow with the California Environmental Protection Agency (CalEPA) Office of Environmental Health Hazard Assessment (OEHHA), Air Toxicology and Epidemiology Section.  Previously, she attended the University of California at Davis, obtaining a B.S. in Food Biochemistry and a M.S. in Food Science (Chemistry)

Mari Costantini, MPH
Clinical Research Manager

Mari is responsible for managing the ToxIC Core Registry. She contributes to multiple projects including ToxIC programmatic activities, data analysis, and engaging with participating sites to strengthen their involvement in the core registry.

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Mari joined the Toxicology Investigators Consortium/ACMT in 2023. She received her MPH in epidemiology and biostatistics from the University of California, Berkeley. Mari has several years of research experience from assisting on studies at UCSF School of Medicine, Stanford University, and UC Berkeley. Now serving as a Clinical Research Manager for ToxIC, Mari supports the Core Registry’s multiple projects, including managing administrative details, data analysis, and engaging with participating sites to strengthen their involvement in ToxIC.

Rachel Culbreth, PhD, MPH
ToxIC Research Director

Rachel serves as the Research Director for ToxIC, leading new grants, research projects, and data analyses for papers and presentations.

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Rachel joined the Toxicology Investigators Consortium/ACMT in May 2022. Rachel received her PhD and MPH in epidemiology and biostatistics from Georgia State University. She also was an Assistant Professor in the Department of Respiratory Therapy at Georgia State University from 2019-2022, where she taught undergraduate and graduate-level research methods and clinical supervision for respiratory therapy students. She has conducted multiple research projects on substance use and health disparities through internal and external grants. She’s worked with substance use disorders in both the U.S. and internationally. 

Rachel serves as the Research Director for ToxIC, leading new grants, research projects, and data analyses for papers and presentations. She currently resides in Atlanta with her daughter and husband. 

Shao Li, MPH
Data Quality Associate

Shao supports multiple ToxIC projects in data quality assurance, monitoring, and evaluative activities.

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Shao joined ACMT in 2018 as Quality Assurance Associate with ToxIC Registry program. He received his MPH in Health Promotion and Program Planning from Icahn School of Medicine at Mount Sinai, NY. He has years of collective experience in public health intervention, working for NYC Department of Health and Mental Hygiene in Hepatitis prevention and outreach, and research coordination in Mount Sinai Health for cardiovascular clinical trials. Shao is now pursuing MBA in non-profit management and plus.

Victoria Murchison
Data Quality Analyst

Victoria Murchison joined ACMT as a ToxiC Data Quality Analyst. She has experience in data analysis, data extractions, data collection, and visual presentations.

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Victoria Murchison joined ACMT as a ToxiC Data Quality Analyst. She has experience in data analysis, data extractions, and data collection. Victoria has an Associate of Science in Business from Dallas College and a Bachelor of Arts in Public Health with a minor in International Relations from Austin College. In her free time, she attends concerts, explores trails, goes to museums, and looks for new dishes to cook. 

Amanda M. Sutphin, BSHCA, EMT-PĀ 
Clinical Research ManagerĀ 

Mandi joined the Toxicology Investigators Consortium/ACMT in October 2023 as a Clinical Research Coordinator.

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Mandi joined the Toxicology Investigators Consortium/ACMT in October 2023 as a Clinical Research Coordinator. Prior to working with ACMT, Mandi obtained a BS with honors from Columbia Southern University while performing as a Paramedic and Field Training Officer with several fire and EMS departments in the St. Louis Metro area. Mandi possesses over 20 years of experience in EMS, personnel training, and clinical research. 

Alyssa Falise, PhD, MSPH
Research Associate

Alyssa serves as a Research Associate on the ToxIC team, where she contributes to grant development, designs and implements new epidemiological studies, conducts statistical analyses, and shares findings through peer reviewed publications and scientific presentations.

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Alyssa joined the Toxicology Investigators Consortium/ACMT in November 2023. Alyssa earned her PhD in epidemiology from the University of Florida and her MSPH from the University of Miami. While at the University of Florida, Alyssa was trained in psychiatric epidemiology as a National Institute on Drug Abuse T32 Pre-Doctoral Fellow in the UF Substance Abuse Training Center in Public Health. In 2023, Alyssa was awarded the College on Problems of Drug Dependenceā€™s Female Opioid-addiction Research and Clinical Experts (FORCE) Junior Investigator Award for her research addressing opioid use and non-medical use among middle and older adults.

ToxIC Fellow-in Training

2024-2025

Jessica Kent, MD
University of Toronto
Toronto, Canada


Past ToxIC Fellows-in-Training

Hannah Spungen, MD, Banner University Medical Center (2023-2024)

Ruby Hoang, DO, Oregon Health and Science University (2022-2023)

Will Goodrich, DO, University of Virginia Health (2022-2023)

Daniel Nogee, MD, Emory University (2021-2022)

Stacy Marshall, MD, University of California – Davis Medical Center (2021-2022)

Lindsey Claire Epperson, DO, University of Texas – Southwestern (2021-2022)

Wells Brambl, MD, Northwell Health (2020-2021)