Remote Contract Associate Environmental Toxicologist - SC JOHNSON AND SONS - Remote
(2025-09)
- Reviews Toxicological and ecotoxicological formula reviews for global EH&S for a variety of consumer portfolios.
- Reviews Pest Control, Air Care and Home Cleaners product safety profiles as per EPA, ECHA & international safety standards and requirements.
- Ensures the technical integrity of Pure Substance Reviews (PSRs) in accordance with TSCA, COFEPRIS, PRMA, SAG-MINSAL, ICA, SENASA, & ECHA-REACH.
- Reviews and edits Environmental and Ecological Risk Assessments done by RIFM, SCCS, ICCS, & FEMA.
- Acts as a technical mentor to internal stakeholders who want to understand the rules of the field and apply them in practice.
Former Managing Environmental Toxicologist/ Ecotoxicology Consultant - ADAMS, ALIX, & DAVIDSON SCIENCE CONSULTANTS - DC METRO - DC METRO
(2009-08 - 2025-07)
Also served as Remote Independent Pesticide Toxicology Consultant.
- Served as a Senior knowledgeable advisor on environmental toxicology, product compliance, and global regulatory strategies to corporate clients (REACH, FDA, EPA, OECD, & PRMA).
- Directed and executed a range of environmental consulting projects from scope and proposal to completion and delivery and developed excellent customer relationships.
- Developed, planned, and commissioned external toxicology and environmental fate studies.
- Served as study monitor with CROs when coordinating study placement, data QC and results interpretation, strictly following GLP and OECD guidelines such as OECD 106, 301, 201, 211, and 210.
- Supported application of endocrine assays by generating and carrying out weight-of-evidence endocrine assessments for chemical and pharmaceutical registration dossiers.
- Served as a knowledgeable advisor to clients on Chemicals that are known EDCs in the Pharmacological, Toxicological, and Ecotoxicological arenas of Chemical application and Exposure.
- Led several high-profile Human Health and Ecological risk assessments and reached regulatory closures through impactful exposure modelling, label claims creation, and 100% GHS SDS.
- Authored, edited, and evaluated comprehensive Food, Nutritional, Ecological, and Toxicological Risk Assessments according to FDA and EPA policies and the US EPA and CDC/ATSDR (Sections 402, 408, and 409).
- Led and mentored multi-disciplinary teams of consultants and scientists while ensuring projects were delivered on time, at the proper quality and with technical accuracy to the client's deadlines.
- Mentored junior employees on the finer aspects of Ecological & Environmental Risk Assessments and Ecological & Environmental Impact Statements.
Environmental Biologist/Toxicologist (GS-13) – Environmental Fate & Effects Division - US EPA – OFFICE OF PESTICIDE PROGRAMS (OPP) - Washington, DC
(1997-06 - 2019-08)
- Presented and approved quality regulatory docs, ecological risk assessment, and scientific justifications for national registration reviews.
- Created national policy directives for the management of over 150 active ingredients to protect public health and the environment; analyzed intricate toxicological data for critical omissions in over 40 Registration Review Documents.
- Generated technical, defensible reactions to complex regulatory inquiries from registrants and stakeholders; played a substantial role in risk management and stewardship plans.
- Developed the Federally Listed and Endangered Species Database (ESA Section 7), contributing to the federal consultation timescales for other federal & state agencies.
- Provided a high-level briefing to executive leadership and scientific advisory boards, converting complex toxicology and ecotoxicology data to the best regulatory decisions.
- Performed Environmental and Ecological Risk Assessments in respect of new and existing pesticide applications for FQPA and FIFRA-designated crop and livestock agriculture approved agricultural crops for food.
- Calculated foliar dissipation half-life values of various pesticides to produce pesticide applications for people or domesticated animals (e.g. FQPA, FIFRA).
Adjunct Professor, Environmental Science and Chemistry - NORTHERN VIRGINIA COMMUNITY COLLEGE - Alexandria/Woodbridge, VA
(1999 - 2002)
Teaching of environmental studies and toxicological concepts to adult students; case studies in real regulation compliance and safety lab practice; implemented real-world regulatory and safety protocol implementation in the curriculum.
