UNITED STATES

 SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

 Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

June 26, 2009

Date of Report (Date of earliest event reported)

IPG PHOTONICS CORPORATION

(Exact name of registrant as specified in its charter)

Delaware (State or Other Jurisdiction  of Incorporation)     001-33155 (Commission File No.) 04-3444218  (IRS Employer  Identification No.)

50 Old Webster Road

 Oxford, Massachusetts 01540

 (Address of Principal Executive Offices, including Zip Code)

Registrant’s telephone number, including area code: (508) 373-1100

Not Applicable

 (Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

On June 26, 2009, Dr. Denis Gapontsev, Vice President-Research and Development of IPG Photonics Corporation (the “Company”), advised the Company of his resignation from such position.  Dr. Denis Gapontsev’s responsibilities, including management and sales, have been allocated to other employees of the Company.   The Company does not anticipate at this time that the Company would hire a replacement for this position.

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 SIGNATURES

     Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

	IPG PHOTONICS CORPORATION
July 1, 2009	By:	/s/ Angelo P. Lopresti
		Angelo P. Lopresti
		Vice President, General Counsel and
		Secretary

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