WW International (WW) 10-Q 2011 Q1 Quarterly report

EXHIBIT 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350

In connection with the Quarterly Report on Form 10-Q of Weight Watchers International, Inc. (the “Company”) for the quarterly period ended April 2, 2011, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, David P. Kirchhoff, certify, pursuant to 18 U.S.C. Section 1350, that:

1. The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: May 12, 2011	Signature:	/s/ David P. Kirchhoff
		David P. Kirchhoff
		President, Chief Executive Officer and Director
		(Principal Executive Officer)