Director, Revenue

Company Overview: Dyne Therapeutics is focused on delivering functional improvement for people living with genetically driven neuromuscular diseases. We are developing therapeutics that target muscle and the central nervous system (CNS) to address the root cause of disease. The company is advancing clinical programs for Duchenne muscular dystrophy (DMD) and myotonic dystrophy type 1 (DM1) as well as preclinical programs for facioscapulohumeral muscular dystrophy (FSHD), Pompe disease and multiple DMD mutations. At Dyne, we are on a mission to deliver functional improvement for individuals, families and communities. Learn more at https://www.dyne-tx.com/ , and follow us on X , LinkedIn and Facebook . Role Summary: The Director , Revenue Accounting leads the company's revenue recognition function for commercial product sales, including gross-to-net (GTN) accounting, rebate and chargeback estimation, and related revenue reporting under U.S. GAAP (ASC 606). This is a highly visible role that partners closely with Commercial, FP&A , and external auditors to ensure accurate , timely , and well-controlled revenue accounting as the company scales. The ideal candidate has deep industry revenue accounting experience, including hands-on knowledge of gross-to-net estimates unique to the specialty pharmaceutical industry. This is a full-time position based in Waltham, MA without the possibility of being remote. Primary Responsibilities Include: Revenue Recognition & Technical Accounting Own end-to-end revenue recognition for product sales in accordance with ASC 606, including contract review, performance obligation analysis, and variable consideration estimates. Lead the monthly and quarterly close process for revenue, including journal entries, account reconciliations, and flux analysis. Implement and maintain accounting policies and technical memos supporting revenue recognition positions. Gross-to-Net (GTN) Accounting Implement , maintain , and continuously refine GTN estimation models covering rebates, chargebacks, distribution fees, prompt-pay discounts, returns, and copay/patient assistance programs. Partner with Market Access, Trade, and Commercial teams to ensure GTN assumptions reflect current contracts and market dynamics. Monitor actual-to-estimate variances and true up accruals as new data becomes available. Controls, Compliance & Audit Implement and maintain SOX-compliant internal controls over the revenue and GTN accrual process. Serve as the primary point of contact for external auditors on all revenue-related matters; manage audit requests and support technical accounting positions. Ensure compliance with relevant SEC reporting requirements (10-Q/10-K revenue disclosures). Cross-Functional Partnership & Reporting Partner with FP&A to support revenue forecasting, budgeting, and board/investor reporting