Attached files

file filename
EX-31.1 - EX-31.1 - SELLAS Life Sciences Group, Inc.sls20201231ex311nextgen.htm
EX-32.1 - EX-32.1 - SELLAS Life Sciences Group, Inc.sls20201231ex321nextgen.htm
EX-31.2 - EX-31.2 - SELLAS Life Sciences Group, Inc.sls20201231ex312nextgen.htm
EX-21.1 - EX-21.1 - SELLAS Life Sciences Group, Inc.sls20201231ex211nextgen.htm
EX-10.50 - EX-10.50 - SELLAS Life Sciences Group, Inc.sls20201231ex1050nextgen.htm
10-K - 10-K - SELLAS Life Sciences Group, Inc.sls-20201231.htm

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM


We consent to the incorporation by reference in the Registration Statements on Form S-1 (Nos. 333-225140, 333-231723, and 333-238799), Form S-3 (Nos. 333-213908, 333-224845, 333-226251, 333-233869, and 333-246333) and Form S-8 (Nos. 333-174819, 333-182578, 333-210833, 333-213248, 333-230741, and 333-237168) of our report dated March 23, 2021, relating to the consolidated financial statements of SELLAS Life Sciences Group, Inc., appearing in this Annual Report (Form 10-K) for the year ended December 31, 2020.

/s/ Moss Adams LLP

San Francisco, California
March 23, 2021