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.
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.
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.
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.
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.
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.
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.
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
Rachel serves as the Research Director for ToxIC, leading new grants, research projects, and data analyses for papers and presentations.
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.
Dana Karshenas, MPH, CHES
Dana contributes her expertise to a range of ACMT endeavors, including managing the Novel Fentanyl Analog study within ToxIC, and researching and writing grant proposals.
Dana is a Program Manager in the Communications and Grants Office of ACMT. She contributes her expertise to a range of ACMT endeavors, including managing ACMT’s security toxicology training programs, managing the Novel Fentanyl Analog study within ToxIC, and researching and writing grant proposals. She is particularly interested in community-based environmental justice initiatives and efforts to reduce health disparities.
Dana received her MPH from the Department of Health Behavior at the University of North Carolina and is a Certified Health Education Specialist (CHES). Prior to earning an MPH, she completed both a BA and an MA in Russian and Eurasian studies, and spent four and a half years as coordinator of a Brooklyn-based NIH Fogarty AIDS International Training and Research Program grant, which focused on building HIV/infectious disease research capacity in multiple countries of the Former Soviet Union. Despite her global background, she has contributed to a number of projects focused on domestic public health issues, including intimate partner and sexual violence prevention, smoking cessation, prevention of injury from opioid misuse, and women’s and adolescent health promotion. Dana is originally from northeastern Ohio, but so far her life has taken her to quite interesting places all over the map. At present, she is happy to call North Carolina her home.
Shao Li, MPH
Data Quality Associate
Shao supports multiple ToxIC projects in data quality assurance, monitoring, and evaluative activities.
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.
Alison Meyn, MPH
Clinical Research Quality Analyst
Alison is a Clinical Research Quality Analyst with ACMT. Alison received her MPH in Epidemiology from the School of Public Health at Georgia State University.
Alison is a Clinical Research Quality Analyst with ACMT. Alison received her MPH in Epidemiology from the School of Public Health at Georgia State University. She has been an epidemiologist for three years working in infectious disease and chronic disease with experience in case investigation, disease surveillance, database creation, data analytics, and more recently was a COVID-19 first responder. She has contributed to a number of public health projects in the fields of: Maternal and Child Health, Cancer, HIV, Oral Health, Smoking Cessation, and COVID-19.
Alison has worked in clinical research as well, working with private pharmaceuticals in Phase I and Phase II oncology clinical trials throughout the U.S. and Europe. Originally from Savannah, Georgia she now resides in Cape Coral, FL with her family and dogs.
Data Quality Analyst
Princess Murchison joined ACMT in 2022 as a ToxiC Data Quality Analyst. She has experience in data analysis, data extractions, data collection, and visual presentations.
Princess Murchison joined ACMT in March 2022, as a ToxiC Data Quality Analyst. She has experience in data analysis, data extractions, data collection, and visual presentations.
Princess 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.
ToxIC Fellows-in Training
Will Goodrich, DO
University of Virginia Health
Ruby Hoang, DO
Oregon Health and Science University;
Oregon Poison Center
Hannah Spungen, MD
Banner University Medical Center
Past ToxIC Fellows-in-Training
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)