Exhibit 16.1

April 23, 2009

Securities and Exchange Commission
100 F Street NE
Washington, D.C. 20549
USA

Dear Ladies and Gentlemen:

Re: Sienna Resources, Inc.

We  are  the  former  independent  auditors  for  Sienna  Resources,  Inc.  (the
"Company").  We have read the Company's  disclosure  in the section  "Changes in
Registrant's Certifying Accountant" as included in Section 4.01 of the Company's
8K dated  April  23,  2009 and are in  agreement  with  the  disclosure  in that
section, insofar as it pertains to our firm.

Very truly yours,


/s/ Lawrence Scharfman
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Lawrence Scharfman, CPA