Exhibit 32.1
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
In connection with the Quarterly Report of AVROBIO, Inc. (the “Company”) on Form 10-Q for the period ending September 30, 2023 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), the undersigned officer of the Company certifies, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, to the best of his knowledge that:
Date: November 9, 2023 | By: |
| /s/ Erik Ostrowski |
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| Erik Ostrowski |
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| President, Interim Chief Executive Officer, Chief Financial Officer and Treasurer (Principal Executive, Financial, and Accounting Officer) |
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