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We have issued our reports dated March 3, 2022, with respect to the consolidated financial statements and internal control over financial reporting included in the Annual Report of CRA International, Inc. on Form 10-K for the year ended January 1, 2022. We consent to the incorporation by reference of said reports in the Registration Statements of CRA International, Inc. on Forms S-3 (File No. 333-142064, File No. 333-118691 and File No. 333-123903) and on Forms S-8 (File No. 333-228783, File No. 333-221263, File No. 333-184916, File No. 333-170142, File No. 333-133450, File No. 333-164621 and File No. 333-63453).