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

                               ------------------

        Date of Report (Date of earliest event reported): April 15, 2005
                                                          --------------

                             CELERITY SYSTEMS, INC.
               (Exact Name of Registrant as Specified in Charter)

          Delaware                      814-00631                 52-2050585
          --------                      ---------                 ----------
(State or other jurisdiction           (Commission              (IRS Employer
     of incorporation)                File Number)           Identification No.)

                            122 Perimeter Park Drive
                           Knoxville, Tennessee 37922                37922
                           --------------------------                -----
                    (Address of principal executive offices)       (Zip code)

                                 (865) 539-5300
                                 --------------
               Registrant's telephone number, including area code


                                 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:

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

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

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

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


                                       1
<PAGE>

ITEM 5.02 DEPARTURE OF DIRECTORS OR PRINCIPAL  OFFICERS;  ELECTION OF DIRECTORS;
APPOINTMENT OF PRINCIPAL OFFICERS

      (b)  Effective  April 15,  2005,  David Leigh  resigned as a member of the
Board of  Directors  of Celerity  Systems,  Inc.,  a Delaware  corporation  (the
"Company").  Mr.  Leigh  resigned  for  personal  reasons  and not  based on any
disagreement with the Company.

                                   SIGNATURES

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

                                       CELERITY SYSTEMS, INC.

Date:    April 19, 2005                By:    /s/ Robert B. Legnosky
                                          --------------------------------------
                                       Name:  Robert Legnosky
                                       Title: President, Chief Executive Officer
                                              and Chairman of the Board


                                       2
{"company-data": {"conformed-name": "CELERITY SYSTEMS INC", "cik": "0001006459", "assigned-sic": "7373", "irs-number": "522050585", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "814-00631", "film-number": "05758902"}, "business-address": {"street1": "122 PERIMETER PARK DR", "city": "KNOXVILLE", "state": "TN", "zip": "37922", "phone": "8655393561"}, "mail-address": {"street1": "122 PERIMETER PARK DR", "city": "KNOXVILLE", "state": "TN", "zip": "37922"}}
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

                               ------------------

        Date of Report (Date of earliest event reported): April 15, 2005
                                                          --------------

                             CELERITY SYSTEMS, INC.
               (Exact Name of Registrant as Specified in Charter)

          Delaware                      814-00631                 52-2050585
          --------                      ---------                 ----------
(State or other jurisdiction           (Commission              (IRS Employer
     of incorporation)                File Number)           Identification No.)

                            122 Perimeter Park Drive
                           Knoxville, Tennessee 37922                37922
                           --------------------------                -----
                    (Address of principal executive offices)       (Zip code)

                                 (865) 539-5300
                                 --------------
               Registrant's telephone number, including area code

                                 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:

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

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

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

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

                                       1
ITEM 5.02 DEPARTURE OF DIRECTORS OR PRINCIPAL  OFFICERS;  ELECTION OF DIRECTORS;
APPOINTMENT OF PRINCIPAL OFFICERS

      (b)  Effective  April 15,  2005,  David Leigh  resigned as a member of the
Board of  Directors  of Celerity  Systems,  Inc.,  a Delaware  corporation  (the
"Company").  Mr.  Leigh  resigned  for  personal  reasons  and not  based on any
disagreement with the Company.

                                   SIGNATURES

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

                                       CELERITY SYSTEMS, INC.

Date:    April 19, 2005                By:    /s/ Robert B. Legnosky
                                          --------------------------------------
                                       Name:  Robert Legnosky
                                       Title: President, Chief Executive Officer
                                              and Chairman of the Board

                                       2