Exhibit 24

AmerisourceBergen Corporation

Power of Attorney for Executing Forms 3, 4 and 5

Know all men by these presents, that the undersigned officer of
AmerisourceBergen Corporation (the "Company"), hereby constitutes and
appoints each of John G. Chou, Kourosh Q. Pirouz and any Secretary or
Assistant Secretary of the Company, signing singly, the undersigned's true
and lawful attorney-in-fact to:

(1) execute for and on behalf of the undersigned, in the undersigned's
capacity as an officer of the Company, Forms 3, 4, and 5 in accordance with
Section 16(a) of the Securities Exchange Act of 1934 and the rules thereunder;

(2) do and perform any and all acts for and on behalf of the undersigned
which may be necessary or desirable to complete and execute any such Form 3,
4 or 5 and timely file such form with the United States Securities and
Exchange Commission (the "SEC") and any stock exchange or similar authority;

(3) request electronic filing codes from the SEC by filing the Form ID
(including amendments thereto) and any other documents necessary or
appropriate to obtain codes and passwords enabling the undersigned to file
such reports electronically;

(4) prepare, file, and submit any documents or reports that may be required
under SEC Rule 144 to permit the undersigned to sell Company common stock
without registration under the Securities Act of 1933 in reliance on Rule 144
as amended from time to time; and

(5) take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of such attorney-in-fact, may be of benefit
to, in the best interest of, or legally required by, the undersigned, it
being understood that the documents executed by such attorney-in-fact on
behalf of the undersigned pursuant to this Power of Attorney shall be in
such form and shall contain such terms and conditions as such attorney-in-fact
may approve in such attorney-in-fact's discretion.

The undersigned hereby grants to each such attorney-in-fact full power and
authority to do and perform any and every act and thing whatsoever requisite,
 necessary, or proper to be done in the exercise of any of the rights and
 powers herein granted, as fully to all intents and purposes as the
undersigned might or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming all that such
attorney-in-fact, or such attorney-in-fact's substitute or substitutes, shall
lawfully do or cause to be done by virtue of this power of attorney and the
rights and powers herein granted. The undersigned acknowledges that the
foregoing attorneys-in-fact, in serving in such capacity at the request of
the undersigned, are not assuming, nor is the Company assuming, any of the
undersigned's responsibilities to comply with Section 16 of the Securities
Exchange Act of 1934 or the Securities Act of 1933.

This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4 and 5 with respect to
the undersigned's holdings of and transactions in securities of the Company
unless earlier revoked by the undersigned in a signed writing delivered to
the foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney as
of this 10th day of November, 2020.


Signature:	/s/ Leslie E. Donato

Printed Name:   Leslie E. Donato