Welcome to the Engineering Business Center-North (EBC-N)
About Us
The Engineering Business Center-North is committed to delivering financial, administrative, and human resources support in collaboration with our UA Central HR partners. We proudly serve four key departments within the College of Engineering: Academic Affairs, Aerospace and Mechanical Engineering, Biomedical Engineering, and Systems and Industrial Engineering.
Our dedicated team ensures operational efficiency, regulatory compliance, and seamless coordination across all transactions. By working closely with our HR partners, we uphold the highest standards of accuracy and service, empowering faculty, staff, and students to focus on innovation and excellence.
Our Services
Finance and Accounting Support
Types of Transactions:
- Procurement Cards (Pcard) – Reconciliation, New Cardholder Application, Account Change Requests
- Purchase Orders & Disbursement Vouchers (DV)
- Travel Reimbursements & Authorizations
- Cash Receipts – Deposit cash/checks
- Student Awards & Stipends
- Foundation Gift Transmittals & Gift Disbursements
- Assist with Rate Studies
Post Award/Grants and Contracts Support
- Funding & Position Distributions
- Salary Expense Transfers & General Error Corrections
- Subaward Payment Requests
- Year-End Salary & General Expense Transfers
- GRA Funding & Participant Support Payments
- Capital Equipment Purchases (POs)
- Monthly and Quarterly Reporting
Meet Our Team
Finance/Accounting Team

Mauro Oliveros
Director, Finance & Administration
moliveros@arizona.edu

Nikki Heath
Business Administrator
nikkiheath@arizona.edu

Alessa Medina
Accountant I
alessamedina@arizona.edu

Valentina Torres
Accounting Assistant III
valetorres@arizona.edu
Grants and Contracts Team

Christopher Duggan
Research Administrator
cduggan@arizona.edu

Dorothy Ashton
Accountant
ashtond@arizona.edu

Carlos Cadena
Grants & Contracts Administrator I
carloscadena@arizona.edu
Department Resources & Forms
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General Purchase Process:
- Obtain approval from the account supervisor for the purchase before making the transaction.
- Complete the purchase and attach all itemized invoices/receipts to the completed Engineering Business Center-N form. Include the account supervisor’s approval for the purchase.
If the purchase was made online, provide the final invoice with shipping details. Attach any necessary supporting documentation, such as a list of attendees, agenda, flyer, email announcement, or travel authorization (if applicable).
For Club USE ONLY:- Obtain approval from the account supervisor for the purchase before making the transaction.
- Fill out the PCard Request Form and email your request to engr-ebcn@arizona.edu for final review.
- Use the following subject line format: Club_Club Name_Vendor_Amount
(e.g., Club_NSBE_Amazon_$55.35).
- To use the PCard, visit our office during the designated hours.
PCard Office Hours:
Monday - Friday
9:00 - 11:00 AM & 1:00 - 3:00 PM
5. Once the purchase is complete, attach all itemized invoices/receipts along with the account supervisor’s approval to the PCard Request Form, and respond to the original request email.
Note: Each transaction must have a separate PCard Request Form.
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You can purchase through UAccess Financials AZ BuyWays for easy ordering and discounts. In Financials, click Orders on the left, then click Shop Catalogs. A list of vendors will appear. Once you’re ready to check out, fill out the requisition with your account number. If you need assistance, please contact the Business Office.
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For purchases over $10,000, submit a purchase order request by filling out the Engineering Business Center-N form and including all required documentation.
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Download the Purchasing Thresholds and Sales/Use Tax (PDF) information.
- Obtain approval from the account supervisor before making a purchase. After completing the transaction, attach all required documents to the Engineering Business Center-N form.
Receipts must clearly show the purchaser’s name and the actual amount charged to the card. Note: Amazon invoices must state "Shipped."
For more information on expense reimbursements, please visit Employee Reimbursements.
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Obtain approval from the account supervisor before requesting reimbursement.
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Complete the Engineering Business Center-N form and attach all itemized invoices/receipts related to the travel. Be sure to include the account supervisor’s approval.
For more details on travel reimbursements, visit After the Trip.
Important: An approved travel authorization is required for all travel reimbursements.
“Failure to obtain prior approval may result in the department's discretion to deny reimbursement if the traveler is non-compliant with institutional policy”. 14.10 Travel Authorization
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The SAP Concur tool is to be used for submitting a Travel Authorization when traveling domestically and internationally.
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The SAP Concur tool can also be used for booking travel.
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See EBC-N’s summarized instructions (PDF) for using the SAP Concur tool.
Domestic Travel: Submit the completed form at least two weeks before your departure.
International Travel: Submit the completed form 30 days before departure and complete the University International Travel registration. A UA Travel Registry submission is required for all international travel.
Important: Travel authorization must be obtained before departure for all official University travel, regardless of the funding source.
“The authorization for travel status is required prior to departure for official University travel activities regardless of funding source.” 14.10 Travel Authorization
Travelers that depart without an approved Travel Request are in violation of University policy.
- Rent vehicles at low rate: UA is contracted with Avis/Budget and Enterprise and the rental includes a damage waiver when you use the UA rate agreement code. A damage waiver is otherwise NOT ALLOWED when renting vehicles domestically when it is an added option. For international travel, damage waivers are allowed and are encouraged.
- When federally sponsored funds will be utilized for travel, refer to the Fly America Act section in the UA Financial Services Manual 14.15. The Fly America Act requires travelers to use U.S. flag carriers regardless of costs or convenience.
- Requesting Office Space for Researchers/Grad Students
- When purchasing items at the UA Bookstore please use the Service Billing form located at this site.
- Select "Service Billing Form".
- Sign in using your UA email address.
- Enter your name on the first line and Chris Duggan’s name for department funding and grant funding, then click "Send".
- On the next page enter all information at specified areas.
- Click submit at the bottom of the page. If the submit button doesn’t show, then you are missing information.
- Click the "24/7 Service Request" area in the top right side of the Facilities Management website or call the number listed to request services. Use your S number that was provided to you. Ask your Business Center team members for assistance.
- All receipts need to be itemized.
- For Business Meetings - provide agenda or flyer, itemized receipts, and a list of attendees.
- Do not purchase alcoholic beverages.
- Gratuity must be 20% or less.
- For Conference Registrations - provide a screen shot of conference details, i.e., name, location and date with registration confirmation.
- A detailed business purpose is required with all purchases that explains how the purchase benefits the University of Arizona.
Engineering Human Resources Support Team (EBC-N)
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Melissa "Mel" VanBroklin, Senior Human Resources Partner
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Richard Chavez, Human Resources Generalist III
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Renee Meyerhofer, Human Resources Generalist I
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Brenda Murch, Human Resources Generalist I
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Chris Eisenfeld, Human Resources Generalist II
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Lisa Charlton, Human Resources Generalist I
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Dawn Bishop, Human Resources Generalist I
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Evelyn Vasquez, Human Resources Generalist I
For HR support, contact HR-ENGR@arizona.edu.
