Assistant Controller

Ribon Therapeutics is a biotechnology company pioneering the discovery of new cancer medicines that target monoPARP proteins, critical regulators of cancer survival mechanisms. Ribon offers a fast-paced, team-oriented work environment and a comprehensive benefits package, including health, dental, 401(k), paid vacation, and much more. Ribon is located in Cambridge, Massachusetts.


  • Manage the monthly and quarterly financial statement close process to ensure timely and accurate reporting of financial results
  • Responsible for preparation of complex/high-risk areas of the financial statement close including clinical trial accruals and stock-based compensation
  • Responsible for technical accounting research and documentation of the Company’s accounting on various complex accounting matters as they arise. Proactively stay current on all pending/new accounting requirements and analyze potential impact on the Company’s financial reporting
  • Lead the development of the Company’s internal controls and the related documentation of formal policies, procedures and internal control narratives
  • Responsible for bi-weekly payroll processing
  • Support the implementation and management of all Finance-related systems
  • Interact with external auditors on review and audit work
  • Support equity administration with the maintenance of stock option records and tracking
  • Assist with tax compliance and quarterly and annual census reporting
  • Support budgeting and forecasting processes
  • Assist with special projects as they arise


  • BA/BS in accounting with CPA certification
  • At least 7 years experience, preferably with combination of public accounting and Biotech industry experience. Big-Four public accounting experience a plus.
  • Strong technical accounting skills and knowledge of US GAAP and financial reporting
  • Experience with Sarbanes Oxley and internal controls as well as system implementations
  • Ability to prepare quarterly and annual SEC filings
  • Experience with the development and maintenance of an effective system of internal controls and compliance with Section 404 of the Sarbanes-Oxley Act
  • Excellent collaboration, organizational skills and attention to details
  • Strong analytical and communication skills
  • Thrives in a dynamic, start-up environment
  • Ability to work collaboratively and effectively with cross-functional teams
  • High customer-service focus
  • Proficiency with general ledger software, Excel and other office tools (Outlook, MS Office, etc.)

If you are interested in joining Ribon’s team, please email your resume to [email protected].

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