GCT Semiconductor Holding (GCTS) S-4/A Registration of securities issued in business combination transactions (amended)

Exhibit 99.4

Consent to be Named as a Director Nominee

In connection with the filing by Concord Acquisition Corp III of the 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”), I hereby consent, pursuant to Rule 438 of the Securities Act, to being named as a nominee to the board of directors of Concord Acquisition Corp III in the Registration Statement and any and all amendments and supplements thereto. I also consent to the filing of this consent as an exhibit to such Registration Statement and any amendments thereto.

Date: January 31, 2024	/s/ Robert Barker
	Robert Barker