Mellissa Bonanno has over 20 years of experience in administrative and accounting roles. She has extensive experience in accounts receivable, accounts payable, billing, and customer service. Her background includes roles in billing, accounting assistance, executive assistance, and office management for various energy companies. She is proficient in SAP, PeopleSoft, Excel, and other business software.
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1. Mellissa Bonanno
Mellissa_aussa@yahoo.com
10031 Corvallis Dr Houston, TX 7 7 095
832-27 5-87 26
PROFESSIONAL SKILLS SUMMARY
Administrative &Office Services Professional well-respected for ability to take initiative, multi-
task and manage projects.Excellent organizational, communication and customer service skills. Attentive
to detail, able to quickly and effectively prioritizeto meet deadlines, and an independent thinker. Strong
accounting and mathematical computation skills.
PROFESSIONAL EMPLOYMENT
ENI T RADING AND SHIPPING Houston, TX January 2014-Present
Billing Specialist (Contract)
• Accounting and Trading support analyst
• Full cycle accounts receivableexperience
• Produce and send accounts receivable invoices to customers
• Provide customer service to counterparties
• Assistance with cash application
• Account reconciliation
• Preparation and review ofARaging schedule
• Colonial and Buckeye pipeline billing for refined products including RBOB, ULSD, gasoline, etc.
• International crude billing
• Calculate tariff, line loss and PTO charges
• Review contracts to ensureinvoice is aligned with agreed upon terms
• Utilize Platts and Argus price reports for billing
• Assist with internal &external audits
• Collaboration with Frontand Middle office to resolveany issues
• Analyze profit and loss statements to ensure all billing is correct
• Generation and review ofARaccrual for monthend close
• Prepare and code accounts payableinvoices
ENI T RADING AND SHIPPING Houston, TX October 2011-January 2014
Accounting Assistant (Contract)
• Assist the Accounting Manager with special projects
• Monthly review and reconciliation ofintercompany reimbursementaccounts
• Performed inventory reconciliations before standardized process developed
• Full cycle accounts receivableexperience with crude and refined products
• Assist with internal &external audits
• Intercompany reconciliations
• Assisted with SAP implementation
EL PASO CORPORATION Houston, TX November 2010 to August 2011
Senior Administrative Assistant(Contract)
• Assist the Manager ofConstruction Support
• Order office supplies and special requests
2. • Meeting setup:room scheduling, catering, web-ex, video conferencecall
• Building Services coordination
• Prepare work authorizations and work requestfor contractors
• Review and reconcile expensereports and p-card statements
• Create organizational charts in Visio
• Arrange and coordinate move requests
• New employee/ contract set-up
GLASSELL PRODUCING COMPANY Houston, TX August 2010 - November 2010
Executive Assistant(Contract)
• Assisted Office Manager
• Maintained personal bank accounts
• Managed bank runs for six accounts
• Accounts Payable
MARATHON OIL COMPANY Houston, TX June 2010 - August 2010
Administrative Assistant –Legal (Contract)
• Assisted Senior General Counsel and Attorneys
• Set up new cases and maintain old cases in eCounsel law managementsystem
• Maintain Legal files for four attorneys
• Assist Paralegal with data entry for multi-plaintiffcases
• Reorganize filing system
WS AT KINS Houston, TX Dec 2006-Sept2009
Office Manager/Executive Assistant
• Assisted DirectorofOil & Gas Americas
• Assisted Engineers as needed (60+)
• Maintained all accounts payable and expense claims including coding
• Input engineering projects into Progent finance system
• Set-up new employees with apartment and car
• Arranged new employees with computer, e-mail, cell phone and business cards
• Maintained and rearranged floorplan as needed
• Created and maintained organizational charts for 4 divisions in Visio
• Coordinated performance reviews and maintain performance logs
• Organized meetings and coordinate travel
• Maintain Master ServiceAgreements
• Review MSAs for renewals or changes that need to be made
• Contact clients for changes and proper authorizations for MSAs
• Make all necessary changes from clients and managers for MSAs
• Provided insurancecertificates for current client contracts based on contract specifications
NEWFIELD EXPLORATION Mar 2003-Nov 2006
Audit Assistant/Administrative Assistant –Foundation
• Assisted the Audit Manager
• Scheduled all incoming audits, furnished pre-audit data,had all data files and vouchers ready for
3. incoming auditors
• Assisted auditors on-siteto reduceaudit time
• Assembled and maintainedexceptions for completedaudits
• Assisted with Sarbanes Oxley reports and data entry.
• Assisted the Foundation Chairman
• Sent out, accepted and processed all grant applications
• Scheduled and attended Charity site visits
• Presented all the applications and site visit summaries to the advisory committee
• Processed approved grantapplications with grant amounts
• Organized charitable programs for employees such as Habitat for Humanity b uild, Galveston Beach
clean-up, Clothing and toy drives
T RANSOCEAN June 1993-July 2002
Administrative Assistant –Accounting,Purchasing,Operations
• Assisted Managers in each department
• Entered journal vouchers for inventory reconciliation and assisted with A/Rjournal vouchers
• Assisted with month-end and year-end close
• Input requisitions and purchase orders,and proofread purchase orders before approval
• Handled price and delivery quoting for rig fleet
• Billings for rig crew bonuses and overtime
• Analyzed and reconciled inventory for eight drilling rigs
• Maintained rig budget reports
• Create and maintain organizational charts in Visio
Education
B.S. in Business Management, expected graduation April 2015
Western Governors University
A.S. Degree in Business Administration, June 2012
Colorado Technical University Online
Project + Certified - CompTIA
Software/Technology
• SAP
• PeopleSoft
• ICTS
• Macola
• Excel (Vlookup,Pivots,Beg Macros)
• Microsoft Office Suite