Senior Controller — Multi-Entity Biotech (Hybrid)

Osanni; San Francisco (CA); Hybrid; USD 260,000 - 285,000; Full time

Job summary

Osanni, a San Francisco biotech company, is seeking a Controller to lead accounting operations across the hub and Avians, delivering consolidated, GAAP-compliant statements and building scalable multi-entity processes.

Reporting to the CFO, you will own audits, internal controls, intercompany accounting, and ERP systems, partnering with FP&A, People & Culture, and clinical leaders to support financings, CRO/CDMO contracts, and strategic decisions.

Qualifications

• Bachelor’s degree in Accounting or Finance required.
• Active CPA license strongly preferred.
• 12+ years of progressive accounting experience with at least 5 years in a Controller role.
• Experience in biotech, pharma, or life sciences is a plus.
• Strong knowledge of US GAAP and multi-entity accounting.

Responsibilities

• Lead monthly, quarterly, and annual close for Osanni and Avians with consolidated GAAP statements.
• Build accounting infrastructure for hub-and-Avian model and intercompany processes.
• Partner with CFO, FP&A for budgeting, forecasting, and cash planning.
• Design and maintain internal controls and accounting policies at scale.
• Own annual audits and audits at Avian level with external auditors.
• Oversee R&D accruals, stock-based compensation, licenses, leases, and partnerships.
• Collaborate with People & Culture on payroll and equity, and with R&D on CRO/CDMO contracts.
• Coordinate with tax advisors on filings and 409A valuations.
• Support financings, Avian formation, and investor materials.
• Select and optimize ERP and finance tools for multi-entity operations.

Skills

Auditing

Financial analysis

Stakeholder communication

Leadership

Education

Bachelor’s degree in Accounting or Finance

CPA license

Tools

NetSuite

Sage Intacct

Excel

Job description

Osanni, a San Francisco biotech company, is seeking a Controller to lead accounting operations across the hub and Avians, delivering consolidated, GAAP-compliant statements and building scalable multi-entity processes.

Reporting to the CFO, you will own audits, internal controls, intercompany accounting, and ERP systems, partnering with FP&A, People & Culture, and clinical leaders to support financings, CRO/CDMO contracts, and strategic decisions.