Principal Consulting Toxicologist

Description:

Company Description
Are you looking to join an organization that is growing and dynamic? What about a high-energy, collaborative environment that rewards hard work?
J.S. Held is a global consulting firm that combines technical, scientific, financial, and strategic expertise to advise clients seeking to realize value and mitigate risk. Our professionals serve as trusted advisors to organizations facing high stakes matters demanding urgent attention, staunch integrity, proven experience, clear-cut analysis, and an understanding of both tangible and intangible assets.
The firm provides a comprehensive suite of services, products, and data that enable clients to navigate complex, contentious, and often catastrophic situations.
Job Description
J.S. Held is seeking a Principal Toxicologist to play a leadership role within our Health Sciences practice, supporting complex litigation, regulatory, and advisory engagements. This position is designed for a senior consulting professional who brings deep technical expertise, expert witness experience, and a strong seller–doer mindset, including the ability to contribute to revenue growth through established client relationships.
The successful candidate will lead high-impact matters involving human health risk, chemical exposure, product safety, and environmental/occupational toxicology, while helping to expand J.S. Held’s global toxicology capabilities.
Job Responsibilities
Leadership & Team Management
Lead, mentor, and develop a team of toxicologists across multiple projects and geographies
Ensure scientific rigor, quality assurance, and defensibility across all deliverables
Foster a collaborative, high-performance team culture aligned with J.S. Held’s consulting standards
Provide oversight and guidance on complex, high-profile engagements
Expert Services & Technical Leadership
Serve as a consulting and testifying expert in litigation, arbitration, and regulatory matters
Lead and deliver toxicological risk assessments, exposure assessments, and product safety evaluations
Interpret complex toxicological, epidemiological, and exposure data to generate clear, defensible opinions
Support mass torts, environmental exposure cases, product liability matters, and occupational health disputes
Translate scientific findings into clear, persuasive insights for legal counsel, regulators, and corporate stakeholders
Client Development & Revenue Growth (Seller–Doer)
Originate, grow, and maintain client relationships across legal, corporate, and regulatory sectors
Contribute to and expand a portable book of business, meeting or exceeding revenue targets
Lead business development activities, including opportunity identification, scoping, pricing, and proposal development
Partner with cross-functional experts (e.g., epidemiology, industrial hygiene, environmental science) to deliver integrated solutions
Strategic Initiatives & Practice Building
Support the growth and expansion of toxicology services across the U.S. and international markets
Collaborate with multidisciplinary teams to integrate toxicology into broader disputes, investigations, and compliance offerings
Contribute to thought leadership, including publications, conference presentations, and client briefings
Represent J.S. Held at industry events, expert forums, and networking opportunities
Qualifications
Required
PhD in Toxicology, Pharmacology, Environmental Health, or a related discipline
~15+ years of professional experience, including significant time in consulting and leadership roles
Demonstrated experience serving as a testifying expert, including preparation of expert reports and participation in depositions and/or trial testimony
Deep expertise in toxicological risk assessment, chemical exposure, and human health impact analysis
Strong understanding of global regulatory frameworks (e.g., REACH, CLP, EPA, OSHA, and related regimes)
Proven seller–doer track record, including business development, client relationship management, and revenue delivery
Exceptional communication skills, with the ability to present complex scientific concepts to legal, technical, and executive audiences
Preferred
Experience supporting U.S. and/or international litigation (e.g., mass torts, class actions, regulatory disputes)
Established professional reputation, including publications, expert testimony history, conference participation, or professional society leadership
Demonstrated success in launching or expanding service offerings within consulting environments
Experience working within multidisciplinary expert teams in a professional services or advisory setting
Additional Information
Some of the Benefits We Have Include
J.S. Held understands all our employees are people and sometimes life needs flexibility. We work to always provide an environment that best supports and suits our team’s needs.
Our flexible work environment allows employees to work remotely, when needed
Flexible Time Off Policy
Medical, Dental, and Vision Insurance
401k Match
Commuter Benefits
A reasonable estimate of the base salary range for this role is $150,000 - $300,000. Any offered salary range is based on a wide array of factors including but not limited to skillset, experience, training, location, scope of role, management responsibility, etc.
In addition to base salary, J.S. Held offers a variety of annual bonus programs. Eligibility and details for these bonus schemes will be discussed during the interview process.
Other Duties
Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties, or responsibilities required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.
By submitting your application, you acknowledge that you have read the J.S. Held Online Privacy Notice and hereby freely and unambiguously give informed consent to the collection, processing, use, and storage of your personal information as required and described therein. California residents can click here to learn more about the personal information we collect and here to learn about additional privacy rights that may be available.
Please explore what we’re all about at www.jsheld.com.
EEO and Job Accommodations
We embrace diversity and our commitment to building a team and environment that fosters professional and personal enrichment is unwavering. We are greater when we are equal! J.S. Held is an equal opportunity employer that is committed to hiring a diverse workforce. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin,
disability, protected Veteran status, age, or any other characteristic protected by law. If you are an individual with a disability and would like to request for a reasonable accommodation, please email [email protected] and include “Applicant Accommodation” within the subject line with your request and contact information.
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Job Location Type: Remote
Department: Environmental Health & Safety Consulting

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