Exhibit 13.1

CERTIFICATION

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
(Subsection (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code)

     Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (subsection (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code), the undersigned officer of SK Telecom Co., Ltd. (the “Company”), a corporation organized under the laws of the Republic of Korea (the “Company”), does hereby certify, to such officer’s knowledge, that:

     The annual report on Form 20-F for the year ended December 31, 2006 (the “Form 20-F”) fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in the Form 20-F fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated: June 29, 2007

/s/ Shin Bae Kim

Shin Bae Kim
President, Chief Executive Officer, Chief Growth
Officer & Joint Representative Director
 

     A signed original of this written statement required by Section 906 of the Sarbanes-Oxley Act of 2002 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.