TTEC (TTEC) 10-K 2016 FY Annual report

Exhibit 32.1

Written Statement of Chief Executive Officer

Pursuant to Section 906

of the Sarbanes-Oxley Act of 2002 (18 U.S.C. Section 1350)

The undersigned, the Chief Executive Officer of TeleTech Holdings, Inc. (the “Company”), hereby certifies that, to his knowledge on the date hereof:

a.The Annual Report on Form 10-K of the Company for the year ended December 31, 2016 filed on the date hereof with the Securities and Exchange Commission (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

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

By:	/s/  Kenneth D. Tuchman
	Kenneth D. Tuchman
	Chief Executive Officer

Date: March 16, 2017