UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D. C. 20549

                                  SCHEDULE 13G

                    Under the Securities Exchange Act of 1934

                                (Amendment No 2)*

                            Hill International, Inc.
                   (formerly Arpeggio Acquisition Corporation)
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                                (Name of Issuer)

                                  Common Stock
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                         (Title of Class of Securities)

                                    431466101
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                                 (CUSIP Number)

                                December 31, 2006
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             (Date of Event Which Requires Filing of this Statement)


Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

                  |_| Rule 13d-1(b)
                  |X| Rule 13d-1(c)
                  |_| Rule 13d-1(d)

* The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act.




1. Names of Reporting Persons.
   I.R.S. Identification Nos. of Above Persons (entities only)

        Jack Silver
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2. Check the Appropriate Box if a Member of a Group (See Instructions)

(a)
    ----------------------------------------------------------------------------

(b)     |X|
    ----------------------------------------------------------------------------

3. SEC Use Only

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4. Citizenship or Place of Organization

        United States citizen
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Number of             5. Sole Voting Power           1,662,736
Shares Bene-                                         ---------------------------
Ficially
Owned by              6. Shared Voting Power         0
Each Reporting                                       ---------------------------
Person With:
                      7. Sole Dispositive Power      1,662,736
                                                     ---------------------------

                      8. Shared Dispositive Power    0
                                                     ---------------------------

9. Aggregate Amount Beneficially Owned by Each Reporting Person:

        1,662,736
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10. Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See
Instructions)

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11. Percent of Class Represented by Amount in Row (9)

        7.1%
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12. Type of Reporting Person (See Instructions)

        IN
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This Amendment No. 2 amends and restates in its entirety the statement of
Schedule 13G/A filed on February 5, 2007 to correct an inadvertent error in the
number of shares of common stock beneficially owned by the reporting person.




Item 1.

         (a) Name of Issuer:

                  Hill International, Inc.

         (b) Address of Issuer's Principal Executive Offices:

                  303 Lippincott Centre
                  Marlton, NJ 08053

Item 2.

         (a) Name of Person Filing:

                  Jack Silver

         (b) Address of Principal Business Office or, if none, Residence:

                  SIAR Capital LLC
                  660 Madison Avenue
                  New York, NY 10021

         (c) Citizenship:

                  United States

         (d) Title of Class of Securities:

                  Common Stock

         (e) CUSIP Number:

                  431466101

Item 3. If this statement is filed pursuant to ss.ss.240.13d-1(b), or
240.13d-2(b) or (c), check whether the person filing is a:

(a)      |_| Broker or Dealer registered under Section 15 of the Act

(b)      |_| Bank as defined in section 3(a)(6) of the Act

(c)      |_| Insurance Company as defined in section 3(a)(19) of the Act

(d)      |_| Investment Company registered under section 8 of the Investment
             Company Act




(e)      |_| Investment Adviser registered under section 203 of the Investment
             Advisers Act of 1940

(f)      |_| Employee Benefit Plan or endowment Fund in accordance with Rule
             13d-1(b)(1)(ii)(F);

(g)      |_| Parent Holding Company, in accordance with Rule 13d-1(b)(ii)(G);

(h)      |_| A savings association as defined in Section 3(b) of the Federal
             Deposit Insurance Act;

(i)      |_| A church plan that is excluded from the definition of an investment
             company under section 3(c)(14) of the Investment Company Act of
             1940;

(j)      |_| Group, in accordance with Rule 13d-1(b)(1)(ii)(J).

Item 4.  Ownership.

(a) - (c)

         Jack Silver beneficially owns 1,662,736 shares of Common Stock of Hill
         International, Inc. (the "Company") representing 7.1% of the
         outstanding Common Stock. Such shares of Common Stock beneficially
         owned by Mr. Silver include (a) 535,700 shares of Common Stock held by
         Sherleigh Associates Inc. Profit Sharing Plan ("Sherleigh Profit"), a
         trust of which Mr. Silver is the trustee, (b) 78,536 shares of Common
         Stock held by Sherleigh Associates Inc. Defined Benefit Pension Plan
         ("Sherleigh Defined"), a trust of which Mr. Silver is the trustee, (c)
         820,836 shares of Common Stock issuable upon the exercise of Warrants
         held by Sherleigh Profit, and (d) 227,664 shares of Common Stock
         issuable upon the exercise of Warrants held by Sherleigh Defined.

         Mr. Silver has the sole voting and dispositive power with respect to
         all the shares of Common Stock beneficially owned by him.

Item 5.  Ownership of Five Percent or Less of a Class.

If this statement is being filed to report the fact that as of the date hereof
the reporting person has ceased to be the beneficial owner of more than five
percent of the class of securities, check the following [ ].

Item 6.  Ownership of More than Five Percent on Behalf of Another Person.

                  Not applicable.

Item 7. Identification and Classification of the Subsidiary Which Acquired the
Security Being Reported on By the Parent Holding Company or Control Person.

                  Not applicable.




Item 8.  Identification and Classification of Members of the Group.

                  Not applicable.

Item 9.  Notice of Dissolution of Group.

                  Not applicable.

Item 10.  Certification.

         By signing below I certify that, to the best of my knowledge and
belief, the securities referred to above were not acquired and are not held for
the purpose of or with the effect of changing or influencing the control of the
issuer of the securities and were not acquired and are not held in connection
with or as a participant in any transaction having such purposes or effect.

                                    SIGNATURE

         After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.

                                             February 12, 2007
                                             Date

                                             /s/ Jack Silver
                                             -----------------------------------
                                             Signature

                                             Jack Silver
                                             -----------------------------------
                                             Name/Title