Admitted Ph.D. & M.S. Students, Welcome to Cal!

Congratulations! Your acceptance to UC Berkeley marks an exciting milestone in your academic journey, and we are delighted to welcome you to our community. We eagerly anticipate the remarkable achievements you will accomplish during your time here.

Now that you're in, it's time to start planning for your future with us. Below, you'll find essential information and next steps to help you prepare for your arrival on campus. Be sure to keep an eye out for updates on summer and fall programming, as we will provide additional details and deadlines.

Here's What You Can Do Next:

  1. Confirm your acceptance: Log in to your application status page and complete the "Reply to Offer of Admission" form to confirm your attendance. The SIR deadline is April 15.
  2. Register for important upcoming  events:
    • If you're enrolling in the Berkeley IEOR MS program, don't miss our Virtual MS Info Session on March 22, 2024.

Getting Started

Check out the Graduate Division’s Getting Started Guide.

Important steps include:

Don't Forget To:

  1. Set up CalCentral (UC Berkeley’s student portal).
  2. Submit final, official transcripts.
  3. Submit the Statement of Legal Residence Form (SLR).
  4. Check your California residency status. If you are a domestic student, complete a FAFSA.
  5. If you are an international student, complete the Non-Immigrant Information Form (NIF).

Your Berkeley Email Account

Activate your bConnected account through your CalCentral Dashboard. This will activate your email account.

  • Log into your CalCentral using your CalNet ID
  • Look up in the left hand corner under MyDashboard
  • Follow the link to bConnected to activate your UC Berkeley email address

Regularly check both your personal email that you used on your admission application and your new campus email in order to receive information from the IEOR department and the university. 

Once the fall semester begins, we'll no longer contact you via your personal email, and we ask that you use your email to contact us. 

Keep in mind that sometimes University emails can accidentally be filtered to spam.

Events for Graduate Students

Dates will be added as they become available! Please check back frequently.


August 2024

New Graduate Student Orientation

August 2024

UndocuGrads Orientation

August 2024

International Graduate Student Orientation

August 2024

Teaching Conference for First-Time GSI’s

Sept 2024


Important Dates & Deadlines

Check back for new dates and deadlines as they emerge.

  • March 18-19, 2024: PhD Visit Days
  • March 22, 2024: Virtual MS Info Session
  • June 1, 2024: Deadline to submit Statement of Legal Residence (SLR)
  • July 15, 2024: Berkeley Student Health Insurance Plan (SHIP) waiver deadline
  • July 15, 2024: California Residency document deadline
  • July 19, 2024: Phase 1 Enrollment Opens for Fall 2024
  • August 23, 2024, TBD PT: In-person IEOR MS/PhD New Student Orientation (mandatory)
  • August 23, 2024, TBD PT: In-person IEOR MS/PhD happy hour social (optional)
  • August 19, 2024: Enrollment adjustment period begins
  • August 28, 2024: Fall 2024 semester instruction begins
  • September 6, 2024: Deadline to drop Fall 2024 semester courses without a fee ($10/class after this date)
  • September 13, 2024: Deadline to add Fall 2024 semester courses without a fee ($5/class after this date)
  • September 27, 2024: Deadline to add/drop for the Fall 2024 semester
  • December 6, 2024: Formal Fall 2024 semester classes end
  • December 9-13, 2024: Reading, Review, Recitation (RRR) week for the Fall 2024 semester
  • December 16-20, 2024: Fall 2024 semester final exams
  • December 20, 2024: Fall 2024 semester ends

Graduate Student Guide

Click on the image below to access a comprehensive guide to being a graduate student at UC Berkeley.

International Students

The Berkeley International Office (BIO) supports Berkeley’s international community. If you are an international student, pay careful attention to emails from BIO. Also, make sure to contact BIO throughout your time as a student regarding changes in enrollment, your travel plans, etc.

If you are an international student, complete the important tasks here. Processing times for paperwork can be long, so start processes early and be aware of deadlines.

Meet Your Advisors


Heather Iwata

Meet your graduate advisor, Heather Iwata

Heather Iwata oversees IEOR’s Master of Science, Master of Engineering, Master of Analytics and PhD programs.

She holds a B.A. in Communication and Psychology from the University of California, Davis, and a Master of Arts degree in Counseling and Guidance from Cal Poly, San Luis Obispo. Heather has nearly 20 years of experience in admissions and student affairs in higher education.

She has a love for all things Disney and enjoys a good dance party with 90's R&B, hip hop and pop music.


Erica Diffenderfer

Meet your graduate advisor, Erica Diffenderfer

Erica is originally from Savannah, Georgia. She attended Georgia Southern University, where she earned her BS in Mathematics and a Master of Arts in Teaching degree.

Before joining Berkeley, Erica taught secondary mathematics and also worked at the University of Florida in admissions and student affairs.

Outside of work, she takes advantage of the nice weather and scenic trails in the Bay Area by hiking, running, and camping.

Contact Us

If you have any questions related to the admissions process, please direct them to This is the primary point of contact for admissions-related inquiries, and we will be happy to assist you with any questions or concerns you may have.


For all current graduate students in the IEOR program, please use for questions related to student services, such as registration, academic advising, or other administrative matters. We are available to help you navigate your academic journey at UC Berkeley and ensure you have the resources and support you need to succeed.

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