Exhibit 23.3
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of LifeStance Health Group, Inc. of our report dated May 12, 2021, relating to the financial statements of LifeStance Health Group, Inc., which appears in LifeStance Health Group, Inc.’s Amendment No. 2 to the Registration Statement on Form S-1 (No. 333-256202).
/s/ PricewaterhouseCoopers LLP
Seattle, Washington
June 14, 2021
