Exhibit 23.3 Western Minerals Inc. P.O. Box 3540 4590 Doedar Rd. Silver Spring, NV 89429 Phone: 775 577-4822 jjmcleod@xplornet.com U.S. Securities and Exchange Commission 450, 5th Street, NW Washington, D.C. 20549 CONSENT I, James W. McLeod, P. Geo., am the author of a Report entitled Review and Recommendations, Pay 1-4 Mineral Claims, Paymaster Canyon Area, Esmeralda County, Nevada, USA, dated February 5, 2008, prepared for Sienna Resources, Inc. This is to confirm that I consent to using or filing of the Pay 1-4 Mineral Claims Project Report with the US Securities and Exchange Commission, namely an S-1 registration statement. I also consent to Red Sun Mining, Inc. distributing copies of the Report to its shareholders or prospective investors, and to the disclosure of the Report on their website for electronic viewing. Dated at Savona, B.C. this 5th day of February, 2008. /s/ James W. McLeod ------------------------------------ James W. McLeod Consulting Geologist