Financial research concept

Chief Operating Decision Maker: The Role Behind Segment Reporting

The chief operating decision maker is the function that allocates resources to operating segments and assesses their performance, making the CODM central to the management approach in segment reporting.

By Lee BaileyPublished Sep 13, 2026

What is the Chief Operating Decision Maker?

The chief operating decision maker, usually shortened to CODM, is the function that allocates resources to a company's operating segments and assesses their performance.

The CODM is central to Segment Reporting because Topic 280 uses a management approach. An Operating Segment is identified partly by whether its results are regularly reviewed by the CODM for resource-allocation and performance decisions.

The CODM is a function, not necessarily one title

"Chief operating decision maker" does not automatically mean chief executive officer, chief operating officer, or any other specific job title. The role can be performed by one person or, depending on the facts, a group that performs the relevant resource-allocation and performance-assessment function.

ASU 2023-07 requires public entities to disclose the title and position of the CODM. Current filings often identify a CEO or CFO, but investors should rely on the company's disclosure rather than assume the role from corporate titles alone.

Why the CODM matters to segment boundaries

The financial information regularly provided to the CODM helps define the segments investors ultimately see. If management separately reviews business components using discrete financial information, those components may qualify as operating segments.

The measures used by the CODM also influence disclosure. Topic 280 requires a reported Segment Profit or Loss measure based on what the CODM uses, and ASU 2023-07 added disclosure of Significant Segment Expenses regularly provided to the CODM and included in that measure.

The result is that external segment reporting contains clues about the internal performance framework management uses to run the company.

What investors can learn

CODM disclosure can help investors understand where decision authority sits and which performance metrics drive internal capital allocation.

For example, if the CODM evaluates a segment using adjusted EBITDA, revenue growth, and a specific cost measure, that tells an analyst something about how management frames performance. It does not make those measures standardized across issuers, and it does not prove that management's preferred metrics are the best measures for valuation.

Investors should reconcile the management view with consolidated financial statements and understand exclusions, allocations, and non-GAAP elements before comparing segment metrics across companies.

CODM changes and reorganizations

A change in senior leadership, internal reporting, or resource-allocation structure can affect segment reporting. That can lead to changes in operating-segment identification or the measures disclosed.

Such a change is not automatically a red flag. It can reflect a genuine reorganization. The analytical issue is whether historical periods remain comparable and whether management clearly explains the new structure.

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