Transcript: Translation of the official transcript(s) is required if the institution(s) you attended does not issue transcripts in English. The transcript translation must be conducted by a reputable service and must be sent in addition to the official transcripts. Personal transcript translations will not be accepted.One (1) official transcript from every post-secondary institution attended, sent from the institution, issued in English in a sealed envelope.Please mail your official transcripts after you receive your offer of admission to the Office of Graduate Student Affairs located at: Attention: Admissions Assistant Office of Graduate Student Affairs 500 W. 120th Street, MC 4708 Suite, 530 Mudd New York, NY 10027 Personal Statement: There is no minimum or maximum length for the personal statement. Brevity is preferred. The statement serves as both a writing sample and opportunity for you to explain, why you are applying, what makes you a good fit, and anything that may be unclear elsewhere on your application. Recommendation Letter: Three (3) letters of recommendation.Your references are received through the online application after you submit it. We do not accept hard copy reference letters by mail nor via email to individuals at our School or via our office email address. References sent this way will not be reviewed. Exceptions are not made. If your reference provider has trouble submitting their reference for you please contact the Office of Graduate Student Affairs for assistance at: seasgradmit@columbia.edu A letter that addresses recollections of favorable personal interactions in a classroom or a laboratory setting is very valuable. Letters from professors in the student's department who have direct experience with the student and can clearly compare him/her to others in this class or prior classes are effective. Also, letters from research supervisors in the student's chosen area are important. Research-oriented letters are encouraged for those applying at the Ph.D. level. http://ieor.columbia.edu/deadlines-0: Fall http://ieor.columbia.edu/deadlines-0: Fall

学位要求：Bachelor/Master 申请链接：http://ieor.columbia.edu/application 招生电话：212-854-2941 招生邮箱：admit@ieor.columbia.edu 邮寄地址：Admissions Assistant, Office of Graduate Student Affairs, 500 W. 120th Street, MC 4708, Suite, 530 Mudd, New York, NY 10027