EX-24.1 4 ctso-20251231xex24d1.htm EX-24.1

Exhibit 24.1

Power of Attorney

Each director and/or officer of CytoSorbents Corporation (the “Corporation”) whose signature appears below hereby appoints Phillip P. Chan or Peter J. Mariani as his or her attorneys or either of them individually as his or her attorney, to sign, in his or her name and behalf and in any and all capacities stated below, and to cause to be filed with the Securities and Exchange Commission (the “Commission”), the Corporation’s Annual Report on Form 10-K (the “Form 10-K”) for the year ended December 31, 2025, and likewise to sign and file with the Commission any and all amendments to the Form 10-K, and the Corporation hereby appoints such persons as its attorneys-in-fact and each of them as its attorney-in-fact with like authority to sign and file the Form 10-K and any amendments thereto granting to each such attorney-in-fact full power of substitution and revocation, and hereby ratifying all that any such attorney-in-fact or his substitute may do by virtue hereof.

IN WITNESS WHEREOF, we have hereunto set our hands as of March 29, 2026.

Signature

  ​ ​ ​

Title

/s/ Dr. Phillip P. Chan

Chief Executive Officer and Director

Dr. Phillip P. Chan

(Principal Executive Officer)

/s/ Peter J. Mariani

Chief Financial Officer

Peter J. Mariani

(Principal Financial Officer)

/s/ Michael G. Bator

Chairman of the Board

Michael G. Bator

/s/ Alan D. Sobel

Director

Alan D. Sobel

/s/ Edward R. Jones

Director

Edward R. Jones

/s/ Jiny Kim

Director

Jiny Kim