Berkshire Grey (BGRY) S-4 Registration of securities issued in business combination transactions

Exhibit 99.4

March 19, 2021

Revolution Acceleration Acquisition Corp

1717 Rhode Island Avenue, NW 10th floor

Washington, D.C. 20036

Consent to Reference in Proxy Statement/Prospectus

Revolution Acceleration Acquisition Corp (the “Company”) is filing a Registration Statement on Form S-4 (the “Registration Statement”) with the Securities and Exchange Commission under the Securities Act of 1933, as amended (the “Securities Act”). In connection therewith, I hereby consent, pursuant to Rule 438 of the Securities Act, to the reference to me in the proxy statement/prospectus included in the Registration Statement and any and all amendments and supplements thereto as a member of the board of directors of the Company following the consummation of the business combination as described in the proxy statement/prospectus.

Sincerely,

/s/ Sven Strohband

Sven Strohband