LIMITED POWER OF ATTORNEY - SECURITIES LAW COMPLIANCE
The undersigned, as a director of Align Technology, Inc.
(the "Company"), hereby constitutes and appoints John Morici
and Julie Ann Coletti, and each of them, the undersigned's
true and lawful attorney-in-fact and agent to complete
and execute such Forms 144, Forms 3, 4 and 5 and
other forms as such attorney shall in his or her discretion
determine to be required or advisable pursuant to Rule 144
promulgated under the Securities Act of 1933, as amended,
Section 16 of the Securities Exchange Act of 1934,
as amended, and the rules and regulations promulgated
thereunder, or any successor laws and regulations,
as a consequence of the undersigned's ownership,
acquisition or disposition of securities of the Company,
and to do all acts necessary in order to file such forms with the
Securities and Exchange Commission, any securities exchange or
national association, the Company and such other person or
agency as the attorney shall deem appropriate.  The undersigned
hereby ratifies and confirms all that said attorneys-in-fact
and agents shall do or cause to be done by virtue hereof.
This Limited 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 issued by the Company
unless earlier revoked by the undersigned in a writing
delivered to the foregoing attorneys-in-fact.
This Limited Power of Attorney is executed at Madison, WI,
as of the date set forth below.

/s/ Kevin Conroy
Kevin Conroy
Dated:  12.04.2023

Witness:
/s/ Julie Rasmussen
Julie Rasmussen
Dated:  12.04.2023