Research Scientist

Plexus WorldwideScottsdale, AZ

About The Position

The Research Scientist is responsible for building the scientific foundation that differentiates our gut health portfolio through innovative research and evidence-based product development. This role designs, manages, and executes preclinical and clinical research to generate robust scientific substantiation, support regulatory-compliant structure/function claims, and advance a pipeline of science-based initiatives. Working closely with Product Development, Regulatory, Marketing, Product Education, and Quality, this scientist translates complex microbiome science into compelling, consumer-relevant product benefits that are easily understood.

Requirements

  • PhD in Microbiology, Nutrition Science, Biochemistry, or a related scientific discipline.
  • Minimum of 2 years of relevant industry experience or postdoctoral research.
  • Experience designing, managing, analyzing, and interpreting preclinical and clinical research.
  • Strong scientific writing, literature evaluation, and communication skills.
  • Ability to manage multiple priorities while collaborating across cross-functional teams.

Nice To Haves

  • Four or more years of relevant industry experience.
  • Expertise in probiotics, prebiotics, postbiotics, fermentation-derived ingredients, or microbiome science.
  • Experience in weight management and/or cardiometabolic health.
  • Peer-reviewed publications and experience supporting product claim substantiation.

Responsibilities

  • Lead and complete 1–3 priority preclinical studies supporting upcoming product launches and patent opportunities.
  • Strengthen scientific substantiation by developing differentiated, regulatory-compliant structure/function claims.
  • Advance innovation by identifying and evaluating emerging gut health ingredients, technologies, and research opportunities.
  • Partner with Marketing and Product Education to translate science into compelling product stories and field education.
  • Support innovation and renovation initiatives that strengthen the company's long-term gut health portfolio.
  • Design, manage, and execute preclinical and clinical research programs in partnership with internal teams and Contract Research Organizations (CROs).
  • Critically evaluate emerging science, patents, and competitive technologies to identify innovation opportunities.
  • Develop research strategies that support a 3–5 year gut health innovation pipeline.
  • Develop defensible scientific substantiation for structure/function claims through literature evaluation, research findings, and clinical evidence.
  • Author scientific dossiers, white papers, technical summaries, and ingredient substantiation documents.
  • Translate microbiome science into differentiated product positioning across digestive health, immune health, metabolic health, and the gut-brain axis.
  • Collaborate with Regulatory, Marketing, Product Development, Product Education, Quality, and Legal to ensure scientific accuracy and compliance.
  • Develop educational content and scientific training that equips internal teams and the field with evidence-based product knowledge.
  • Provide scientific leadership throughout product development and commercialization.
  • Build relationships with CROs, academic researchers, Scientific Advisory Boards, and industry partners.
  • Attend scientific conferences and evaluate emerging research, ingredient technologies, and partnership opportunities.
  • Support Quality with scientific evaluation of Serious Adverse Event reports when needed.

Benefits

  • scientifically backed, innovative dietary supplements
  • weight management products
  • personal care products
  • additional income through the sale of products
  • robust organizational culture
  • commitment to community support and philanthropy
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