پروفسور حسين شفا (استاد دانشگاه اوكلاهاما سيتي آمريكا) از برگزاري سومين كنفرانس بودجه ريزي عملياتي در ايران تقدير كردند.
متن نامه ارسالي ايشان به شرح زير مي باشد:

Dear Penco management team:
I am a professor of international finance/management; and very much interested in performance based budgeting. I saw some information on your performance based budgeting conference in Tehran. I am sending this email to congratulate you on a job well done, and wish you more success.

Sincerely,

Hossein Shafa
Oklahoma City University
www.okcu.edu