2022–2023 Executive Committee

SCCT Executive

Margaret H. Whittaker, PhD, ERT, DABT, CBiol, FRSB


Dr. Whittaker is the Managing Director and Chief Toxicologist of ToxServices LLC. Dr. Whittaker is one of the pioneers in the field of chemicals alternatives assessments and is a key contributor to advancing these methods around the world. She is an accomplished human health risk assessor, chemical hazard assessor, and alternatives assessor. She performs quantitative exposure and risk assessments for projects including California Proposition 65 safe harbor assessments, medical device extractables and leachables assessments, and cosmetics/personal care product assessments, among others. Dr. Whittaker is a Diplomate of the American Board of Toxicology who earned a PhD in toxicology from the University of Maryland, Baltimore and an MPH in environmental health from the University of Michigan. Dr. Whittaker is a UK/EUROTOX Registered Toxicologist, as well as a Chartered Biologist and Fellow of the UK Royal Society of Biology.

SCCT Executive

Brittany Baisch, PhD, DABT

Vice President

Dr. Brittany Baisch is a board-certified toxicologist in the agrochemical industry at Enko Chem, Inc., who is focused on screening novel crop protection chemistries for human and environmental safety. Previously, she held positions as the Research Fellow–Toxicology for Henkel’s North American laundry and home care business and was the Senior Toxicologist at The Kraft-Heinz Company. Brittany earned her PhD and MS in Toxicology from the University of Rochester and has BAs in Chemistry, Biochemistry and Spanish from Western Connecticut State University. Dr. Baisch is very active in the Society of Toxicology and has held several appointed and elected positions. She is currently the President of Women in Toxicology (WIT) and Councilor for the Ethical, Legal, Forensic, and Societal Issues Specialty Section. Dr. Baisch previously served as Secretary/Treasurer for WIT and the newly formed Exposure Specialty Section. She completed her rotational appointment on SOT’s Education and Career Development Committee (ECDC), served on the Committee on Diversity Initiatives Undergraduate Peer Mentoring Program, and volunteered on various scientific program and award review committees for SOT’s component groups. She is a strong supporter of the trainees and is dedicated to increasing opportunities for career development. One such example is co-chairing a CE course in 2021 that is the first to be endorsed by the Sustainable Chemicals Through Contemporary Toxicology Specialty Section (SCCTSS).

SCCT Executive

Lauren Brown, DABT, MS

Vice President-Elect

Ms. Brown has more than a decade of toxicology and risk assessment consulting experience, supporting clients in addressing challenges related to hazard and dose-response evaluation and risk assessment. She is currently a Senior Scientist with ToxStrategies where her work revolves around ensuring the safety of ingredients used in consumer products, mainly personal care and cosmetics. In addition, she is experienced in systematic literature review and chemical alternatives assessments. Ms. Brown is a board-certified toxicologist with the American Board of Toxicology. She obtained her Master of Science in Environmental Health from the Harvard T.H. Chan School of Public Health and her undergraduate degrees in Zoology and Environmental Science from Miami University (OH). She is a proud mom of two children and lives in Ann Arbor, MI.

SCCT Executive

Joanna Klapacz, BS, PhD


Dr. Klapacz is a Product Sustainability Consultant at the Toxicology and Environmental Research and Consulting (TERC) laboratory at The Dow Chemical Company, where she is responsible for conducting safety testing, chemical registrations, human health risk assessment, and research examining mode-of-action related to chemical carcinogenesis. She is dedicated to utilizing alternative assessment techniques, including in vitro models, read-across, NAMs and QSAR analysis in the next generation safety assessment frameworks of products in her work. Dr. Klapacz has more than 12 years of experience working as a regulatory toxicologist supporting the safe use of industrial and consumer chemicals. Dr. Klapacz earned her PhD in Biochemistry with Minor in Biology from Wayne State University. She is an author/co-author of over 20 publications including peer-reviewed articles and book chapters such as Genetic Toxicology in the “Casarett & Doull’s Toxicology: The Basic Science of Poisons, 9th Edition.” She has also been passionate participant in various STEM programs throughout her career.

SCCT Executive

Pamela J. Spencer, PhD, DABT

Past President and Councilor

Dr. Spencer is the Vice President of Regulatory, Product Stewardship & Quality at ANGUS Chemical Company in Chicago, Illinois. Prior to this role, she worked for the Dow Chemical Company for 30 years, retiring as the Scientific Director of Dow’s Toxicology Environmental Research & Consulting function. Dr. Spencer is an advocate at every level, working to promote the concepts of safer product design with regulatory agencies, industry, academia, and nongovernmental organizations. She has extensive experience in regulatory toxicity testing and research to define human health risks with numerous publications to date in the areas of neurotoxicology, genetic toxicology, carcinogenicity, and green chemistry. She received her PhD from the Department of Toxicology, School of Public Health, University of Michigan and her MS in biology from Central Michigan University.

SCCT Executive

Azita Cuevas, PhD, MPH, MS, DABT


AJ Cuevas is currently the Product Safety Manager of Toxicology at the Henkel Corporation for the North America Beauty Care Business Unit. There she leads a team of toxicologists that cover the Beauty Professional and Consumer portfolios. Her and her team are dedicated to staying abreast of new research, resources and technology in the field of toxicology and how the field intersects with sustainability. She would love the opportunity to continue to forge the SCCTS agenda forward, especially in regards to emerging science around alternative methodology assessments and safer by design projects. Prior to Henkel she was at PepsiCo where she evaluated the safety of novel ingredients in the Scientific Affairs function of Global Research and Development. She received her doctorate degree from New York University School of Medicine, where she examined the mechanisms through which ambient particulate matter drive vascular dysfunction. Before attending NYU, she earned her BA/MS from University of Colorado in Physiology. She then earned her Master’s in Public Health in Maternal and Child Health/Environmental Science from New York Medical College. She has been a member of SOT since 2007, and served on the HOT SIG board as the Graduate Representative, Postdoctoral Representative, two terms as Councilor, Committee Chair for the Awards Committee, and contributor to the HOT newsletter (Toxenlaces), specifically using her column, “When I Grow Up.” She served a three-year appointment on the Education Committee, specifically chairing the International ToxScholar Grant. Currently she is coming to the end of her two-year term as Councilor of the Exposure SS where she has led the Best Paper Award and Best Abstract Award Committees. She is energized and committed to the success and creativity that the SCCTS brings to SOT. She also is excited to work together with others pushing contemporary toxicology approaches to inform safer chemical alternatives.

SCCT Executive

Marie Bourgeois, PhD, MPH


Dr. Marie Bourgeois is a Research Assistant Professor at University of South Florida, College of Public Health where she teaches at both the undergraduate and graduate level, advises graduate student research, and conducts primary research in the fields of in-vitro toxicology, exposure assessment, epidemiology, and risk assessment. Her research interests include lactational transfer of environmental chemicals, toxicity of novel chemotherapeutics, attenuation of drug induced organotoxicity, and the toxicology of climate change. She holds a bachelor’s degree in Clinical Chemistry from USF and an MPH and PhD in Toxicology/Risk Assessment from the USF COPH. Dr. Bourgeois has been an active member of SOT since 2006, a member and officer of SESOT and OPHSS since 2007 and of Mixtures since 2017. She is an active member of RASS and ASCCT. She is a member of the Education and Career Development Committee and an active promoter of K–12 science education outreach.

SCCT Executive

Monika Roy, PhD, MSPH

Postdoctoral Representative

Dr. Monika Roy is a Postdoctoral Research Associate at the Lowell Center for Sustainable Production (LCSP) at the University of Massachusetts Lowell, a leading academic center for action-oriented research, policy development, and collaborative initiatives focused on eliminating hazards in products, workplaces, and communities. Under the supervision of Dr. Joel Tickner, she is working on projects with government agencies related to chemicals management policies, is evolving methods related to Alternatives Assessment frameworks, is co-leading a project to help define the field of “sustainable chemistry,” and is involved with the Association for the Advancement of Alternatives Assessments (A4). Prior to LCSP, she received an MSPH in Environmental Health Sciences from Tulane University and a PhD in Environmental Health Sciences at the University of Massachusetts Amherst with Dr. Alicia Timme-Laragy, where she studied the toxicological effects of emerging contaminants at developmental stages in zebrafish and was funded through NIH T32 and F31 fellowships. Dr. Roy has been an active member of SOT since 2017 volunteering with mentoring events and participating in the Women in Toxicology Special Interest Group and in the SOT Northeast Regional Chapter.


To email the SCCT leadership, please send an email to SOT Headquarters.