Summary
Overview
Work History
Education
Skills
Software
Accomplishments
Interests
Work Availability
Timeline
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PATRICIO GRINSTIN

PATRICIO GRINSTIN

Accounting Sr. Subject Matter Expert
BUENOS AIRES

Summary

Accomplished Senior Accountant-Subject Matter Expert with a master's degree in Financial Administration and a remarkable 25-year track record in accounting, reporting, data analysis, and systems support within the Oil Industry. I am a trusted advisor with a proven ability to research, analyze, and optimize company technology and standard operating procedures. I have actively participated in software improvement projects, assuming various roles such as project leader, product owner, and developer, all while employing Agile methodologies.

My extensive leadership experience includes collaborating with cross-functional and multicultural teams to enhance processes, procedures, technical capabilities, resource allocation, and stakeholder engagement strategies, all in alignment with strategic objectives. Proficient in leveraging technical skills for process and system optimization, I have consistently delivered robust solutions and possess an unwavering willingness to embrace new challenges.

I am an analytical problem-solver with a talent for team building, leadership, and motivation. My exceptional customer relations aptitude and relationship-building skills have been key in my success. I excel in making independent decisions rooted in sound judgment, consistently contributing positively to company achievements.

Overview

25
25
years of professional experience
6
6
years of post-secondary education
2
2
Languages

Work History

Business Center of Excellence - Oil and Gas

ExxonMobil Business Support Center
Buenos Aires
11.2022 - 08.2023
  • Served as a bridge between Controllers and the IT department to address SAP Frontier system improvements and issues.
  • Played a pivotal role in prioritizing system enhancements and orchestrating their development, maintaining schedules and monitoring performance.
  • Maintained positive customer relations by addressing problems head-on and implementing successful corrective actions.
  • Led assigned system projects, ensuring compliance with required specifications and delivering detailed reports and milestones to the management.
  • Formulated and implemented process improvements and IT strategies to enhance efficiency, fostering the company's evolution and growth.
  • Key driver in the development of outside SAP system tools, leveraging a combination of SQL, visual basic, SAP scripting and Microsoft Access, with the primary objective of enhancing efficiency and reinforcing controls.

Refinery Oil Loss Coordinator

ExxonMobil Refining
Baton Rouge, LA, USA
10.2017 - 10.2022
  • Primary point of contact facilitating seamless communication and collaboration between the Baton Rouge refinery management, manufacturing operations, and the Controllers' team based in Buenos Aires, Argentina.
  • Provided essential support to management by delivering reporting, analysis, and business presentations that informed operational strategies targeting oil loss inefficiencies in the refining process.
  • Studied processes, implemented cost reductions and developed reporting procedures to maintain administrative workflow.
  • Successfully met all refinery objectives by diligently overseeing the alignment of incoming and outgoing shipping and receiving movements with accounting postings, achieving a 100% goal attainment rate.
  • Responsible for flawless hydrocarbon inventory accounting at the refinery, including coke, sulfur, NGL, and lead terminals.
  • Set priorities and problem-solved workflow issues during month end close to maintain rapport with cross-functional areas and managers.
  • Developed innovative analytical tools enhancing crucial refinery metrics. These systems played a key role in aligning the performance of Controllers and Operations teams efficiently, while also assessing the fulfillment of requirements.
  • Collaborated closely with the operations team to adapt the instruments employed in the refinery and create more efficient indicators, facilitating the streamlined identification of month-end close accounting discrepancies.

Senior Subject Matter Expert - Crude Accounting

ExxonMobil Business Support Center
Buenos Aires
01.2013 - 09.2017
  • As Controllers' business primary contact with IT, collaborated with senior leadership as product owner to complete complex multidisciplinary team projects for SAP MM system developments and also participated in software field testing to verify product performance.
  • Carried out new system training and mentoring support within the workgroup, offering technical expertise to troubleshot SAP or other system instrument’s issues.
  • Collaborated with management to identify and prioritize new development concepts, proposing solutions to existing applications.
  • Monitored and tracked user progress to identify improvement opportunities, and designed and implemented tools (Access, SAP scripting, Excel, visual basic) that significantly enhanced the team's productivity.

Project Specialist - SAP SD Module Implementation

ExxonMobil Business Support Center
Buenos Aires
07.2010 - 12.2012
  • Integral member of the core team responsible for successfully implementing the new SAP Accounting system across ExxonMobil's operations in US and Canada.
  • Oversaw the design and testing of the end-to-end processes for SAP Sales Accounting Module within Controllers' activities, monitoring the project progress, identifying risks and taking corrective action as needed.
  • Acted as liaison between critical business areas and IT developers, prioritizing system customizations and troubleshooting.
  • Maintained open communication by presenting regular updates on project status to project stakeholders and users to discuss deliverables, schedules, conflicts, and collect feedback.

Team Supervisor - Manufacturing Accounting

ExxonMobil Business Support Center
Buenos Aires
01.2009 - 06.2010
  • Supervised the team responsible for recording inputs and outputs in the refining process, overseeing month-end-close activities and performing account recons.
  • Led Business Process Changes, enhancing the truck postings at the refinery, improving accounting productivity.
  • Strengthened support documentation controls for accounting accuracy, improving 50% the teams performance metrics.
  • Monitored team performance and provided constructive feedback identifying areas of improvement to increase productivity and maintain quality standards.
  • Mentored and guided employees to foster proper completion of assigned duties.

Senior Analyst - Crude Accounting

ExxonMobil Business Support Center
Buenos Aires
01.2007 - 12.2008
  • Proficient in searching, tracking, and posting of accounting transactions associated with crude company logistics.
  • Led initiatives focused on enhancing pricing accuracy, ensuring volume reasonability, and streamlining the number of plants, resulting in heightened accounting efficiency and notable improvements in performance metrics.
  • Reconciled accounts balance sheets and resolved both internal variances and discrepancies with external documentation.
  • Prepared monthly journal entries and reconciliations.

P&L Analyst - Company Own Service Stations

ESSO Argentina Oil Company
Buenos Aires
01.2000 - 12.2006
  • Delivered comprehensive reports to senior management, evaluating company financial metrics to measure achievements and identify areas for improvement.
  • Performed trend analysis, benchmarking, and offered recommendations to control expenditures and predict future budget needs.
  • Produced new business intelligence reports for strategic decision-making.
  • Optimized/Automated core accounting Systems to improve business performance and operational agility.
  • Conducted interviews with key business users to gather insights into business processes and user requirements.

Administrative Supervisor - Engineering Department

ESSO Argentina Oil Company
Buenos Aires
07.1998 - 12.1999
  • Supervised the team responsible for invoice processing and company assets of Retail division.
  • Liaison between the operation and the Legal department for penalty fee intimation resolution.
  • Monitored and reported the department's budget status to the management.
  • Assessed and redefined the asset posting process to align with the company's strategic objectives.
  • Monitored and evaluated personnel performance to complete annual reviews and recommend advancement.

Education

MBA - Business Administration

University of Buenos Aires
Argentina
03.2000 - 12.2001

BBA - Business Administration

University Torcuato Di Tella
Argentina
03.1994 - 12.1997

Skills

    Search Engine Optimization

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Software

SAP MM (including Scheduling and Trading modules)

MS ACCESS

MS EXCEL

MS POWERPOINT

SQL

VISUAL BASIC

ADO

JIRA

PYTHON

POWER BI

Accomplishments

  • Project Leader overseeing a new customize cross-functional SAP MM Sales inter - company automation. Jul-2023
  • Created and effectively deployed an oil volumetric tool that reconciles accounting data with refinery instruments, resulting in annual savings of $4M/Yr by preventing erroneous postings. Dec-2021
  • Revamped, redesigned, and successfully implemented the primary reporting tools utilized by the cost analysis team at the Baton Rouge chemical plant. Jul-2020
  • Member of the Oil Loss technical team that conducted an assessment in Singapore’s Chemical plant, and successfully identified inefficiencies in the accounting metrics. Jul-2019
  • Audited the activities of 2 refinery teams as part of the internal assessment. Jun-2019
  • Developed and implemented a crude molecule logistic tracking tool, leading to significant tax savings ($7M/Yr) inside the NAFTA area. Jul-2017
  • As a Product Owner, advocated for and represented the requirements of the Crude Accounting team in a crossfunctional project focused on transporting crude by railcar from Canada to US refineries. Jan-2016

Interests

Logical Thinking Games

Music

Travel

Soccer

Work Availability

monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Timeline

Business Center of Excellence - Oil and Gas

ExxonMobil Business Support Center
11.2022 - 08.2023

Refinery Oil Loss Coordinator

ExxonMobil Refining
10.2017 - 10.2022

Senior Subject Matter Expert - Crude Accounting

ExxonMobil Business Support Center
01.2013 - 09.2017

Project Specialist - SAP SD Module Implementation

ExxonMobil Business Support Center
07.2010 - 12.2012

Team Supervisor - Manufacturing Accounting

ExxonMobil Business Support Center
01.2009 - 06.2010

Senior Analyst - Crude Accounting

ExxonMobil Business Support Center
01.2007 - 12.2008

MBA - Business Administration

University of Buenos Aires
03.2000 - 12.2001

P&L Analyst - Company Own Service Stations

ESSO Argentina Oil Company
01.2000 - 12.2006

Administrative Supervisor - Engineering Department

ESSO Argentina Oil Company
07.1998 - 12.1999

BBA - Business Administration

University Torcuato Di Tella
03.1994 - 12.1997
PATRICIO GRINSTINAccounting Sr. Subject Matter Expert