Job Details

Interim Controller - Office of the CFO Practice

Location: Washington, DC Metro Area
Compensation: Competitive hourly rate based on experience

About East 57th Street Partners - Office of the CFO Practice

At East 57th Street Partners, we understand the evolving demands CFOs face, particularly in fast-paced, private equity-backed environments. Our Office of the CFO Practice takes an execution-oriented approach, working alongside PE-backed finance functions at all stages of the investment lifecycle. Our seasoned practitioners serve as trusted partners to private equity sponsors and management teams, providing high-impact financial leadership that drives measurable results.

As part of our team, you'll play a key role in stabilizing and scaling PE-backed businesses, helping them optimize financial processes, improve reporting, and drive operational efficiency.

About the Role

We are seeking an Interim Controller to support our Office of the CFO Practice for clients in the Washington, DC metro area. In this role, you will be responsible for leading financial reporting, managing accounting functions, and implementing best-in-class financial controls and processes. You will work closely with CFOs, private equity sponsors, and executive teams to ensure accurate financial reporting, compliance, and improved financial operations.

This interim role provides the opportunity to make an immediate impact, helping businesses navigate transition periods, M&A integration, and financial transformations.

Key Responsibilities

• Lead month-end close and financial reporting for private equity-backed companies.
• Optimize accounting processes and internal controls to improve financial efficiency and accuracy.
• Ensure GAAP compliance and oversee the preparation of financial statements.
• Support cash flow forecasting, working capital management, and budgeting initiatives.
• Drive process improvements and system implementations, ensuring scalability.
• Work directly with private equity sponsors to provide financial insights and reporting.
• Support M&A due diligence and post-transaction integration as needed.
• Mentor and develop internal finance teams to enhance operational capabilities.

• 10+ years of progressive accounting and finance leadership experience.
• Prior Controller experience in a private equity-backed environment preferred.
• Strong background in financial reporting, accounting operations, and process optimization.
• Experience with ERP implementations and financial system improvements.
• Expertise in GAAP, internal controls, and regulatory compliance.
• Strong ability to work hands-on in dynamic, fast-paced environments.
• Experience in M&A, transaction support, or integration a plus.
• CPA preferred but not required.

• Impactful Work - Work directly with PE-backed CFOs and management teams to drive real business value.
• Lean, High-Performing Teams - Work alongside experienced finance leaders in an execution-focused environment.
• Competitive Compensation - We offer a strong hourly rate based on experience.
• Varied Engagements - Work across different industries and business models, gaining valuable exposure.