Support major product regulatory filings to the U.S. FDA (e.g., Premarket Tobacco Product Application (PMTA), Modified Risk Tobacco Product Application (MRTPA)). Partners with internal R&D, Engineering, Operations, and other Subject Matter Experts to provide interpretation and guidance, ensuring adherence to the submissions strategy and alignment with business needs. Cultivates strong relationships with key cross-functional team members and stakeholders to align on timing and content of submission document drafting, review, and approval. Provides strategic guidance on regulatory submissions, leveraging a deep understanding of agency review processes, common deficiencies, and expectations for engineering and technical data. Responsible for understanding and adhering to applicable Regulatory Authority regulations, guidance, and product standards; keeps abreast of the current state of product engineering, testing, and submission procedures. Contributes advanced engineering knowledge and analytical skills to the preparation of regulatory submissions. Interprets and organizes complex engineering, manufacturing, and product performance data (e.g., design specifications, materials, battery safety, aerosol testing, manufacturing quality control). Develops, writes, and reviews submissions deliverables, including technical summaries, engineering reports, submission summary modules, and response documents. Incorporates information, such as references, graphics, tables, and data listings for the creation of large, technical documents. Partners with the Regulatory leadership team and other functional groups to help identify or provide input on potential technical or regulatory issues that could impact the target submission date and leads discussions to reach consensus around a solution.