Exhibit 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER 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 Annual Report of Research Alliance Corp II. (the “Company”) on Form 10-K for the period ending December 31, 2021, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Peter Kolchinsky, in my capacity as Chief Executive Officer of the Company, hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

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Date: March 18, 2022	By:	/s/ Peter Kolchinsky
	Name:	Peter Kolchinsky
	Title:	Chief Executive Officer