Summary
Overview
Work History
Education
Skills
Accomplishments
Qualifications Summary
Work Availability
Software
Websites
Timeline
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Marissa A. Castro

Senior Finance Leader
Marlborough,NH

Summary

Senior Finance Manager specializing in SG&A and Accounts Receivable, with a successful history at C&S Wholesale Grocers, leading large, high-performing teams, achieving a 9.5 DSO while overseeing $1B+ in revenue. Skilled in process automation and change management, enhancing cross-functional collaboration and driving organizational improvements through strategic financial analysis. Expertise in project management and financial reporting, consistently improving operational efficiency across teams.

Overview

12
12
years of professional experience

Work History

Senior Manager of Accounts Receivable – Department Head

C&S Wholesale Grocers
Keene, NH
06.2024 - 09.2025
  • Led SG&A financial operations through enterprise Accounts Receivable, including forecasting, month-end close, executive reporting, governance, and system transformation for a $1B+ revenue organization.
  • Owned and executed annual SG&A budget and recurring forecast cycles, including identification of key cost drivers, scenario modeling, and alignment with corporate and functional business leaders.
  • Led SG&A month-end close across large transaction volumes, ensuring timely accruals, reconciliations, and accurate, consistent financial reporting.
  • Analyzed and communicated variances versus budget, forecast, and prior year; delivered clear drivers, trends, risks, and opportunities to executive leadership.
  • Prepared executive-level SG&A reporting packages, KPIs, and performance commentary to support strategic decision-making and forecast accuracy.
  • Oversaw Technology Capital Expenditure financial planning and reporting, supporting business cases, financial hurdle analysis, and alignment to enterprise objectives.
  • Strengthened financial governance by standardizing assumptions, methodologies, and reporting practices across business units.
  • Acted as primary SG&A finance liaison, partnering cross-functionally with FP&A, Controllership, Treasury, and business leaders to ensure transparency, alignment, and compliance.
  • Led, mentored, and developed a distributed team of 40 finance professionals across multiple locations.
  • Served as implementation lead and subject matter expert for Oracle Fusion Receivables and Advanced Collections, driving system adoption, reporting efficiency, and scalable financial operations.

Manager of Accounts Receivable – Collections

C&S Wholesale Grocers
05.2023 - 06.2024
  • Promoted following successful completion of an enterprise accounting software enhancement implementation project.
  • Automated amortization schedules and reconciliation rules using Alteryx, improving accuracy and efficiency.
  • Served as Oracle Fusion Cloud implementation project lead, supporting Accounts Receivable and Collections functions.
  • Led change management initiatives, guiding team adoption of new processes to drive operational success.
  • Developed and managed customer escalation processes, including review and resolution of financial issues.
  • Conducted customer financial analysis, including creation of financial credit scoring models to support decision-making.

Sr. Analyst – Process Automation

C&S Wholesale Grocers
10.2021 - 05.2023
  • Promoted for contributions to Process Automation Project Team and process improvement initiatives using Alteryx.
  • Achieved annual savings of 11K hours, with 6K hours saved directly and influencing an additional 5K hours.
  • Generated estimated savings equivalent to 5.2 FTEs, enabling focus on analytical tasks.
  • Led Oracle Arcs Enhancements Implementation Project, managing IT solutions and user adoption training.
  • Created KPI reports and delivered monthly presentations to CEO and Finance Leadership Team.
  • Conducted process mapping to identify opportunities for efficiency improvements.
  • Supported Alteryx Project team through indirect leadership and guidance.
  • Managed prioritization of process automation use cases across Billing, Leadership Reporting, and Direct Debit Validation.

Supervisor – Collections Accounts Receivable

C&S Wholesale Grocers
10.2019 - 10.2021
  • Achieved promotion due to top performance and initiative for organizational change.
  • Managed team of 8 through reviews, development, and mentorship.
  • Executed recruitment, onboarding, and training of new employees as needed.
  • Mapped and documented processes and procedures for operational clarity.
  • Conducted key process evaluations to implement efficiency changes.
  • Oversaw balance sheet reconciliations to ensure accuracy.
  • Managed collection software (Cforia) and escalated collections communication across functions.
  • Analyzed financial reports weekly, focusing on key risk accounts and KPI metrics.

Supervisor – Cash Applications Accounts Receivable

C&S Wholesale Grocers
01.2019 - 10.2019
  • Achieved promotion following Employee of Quarter recognition for top performance and innovative change initiatives.
  • Managed, reviewed, developed, and mentored team of 11 members, including 2 remote staff.
  • Implemented cost-saving initiatives to enhance operational efficiency and reduce expenditures.
  • Supported cash management and collection processes to optimize financial flows.
  • Documented processes and procedures to ensure consistency and compliance.
  • Conducted key evaluations of processes to identify opportunities for efficiency improvements.
  • Performed balance sheet reconciliations to maintain accurate financial records.

Staff Accountant – General Accounting

C&S Wholesale Grocers
01.2018 - 12.2018
  • Forecasted weekly expenses for overhead accounts using historical data and actuals.
  • Executed weekly, monthly, and quarterly journal entries in compliance with accrual accounting principles.
  • Created executive SG&A weekly P&L reports for presentation to leadership team.
  • Analyzed and communicated weekly variances against budget, forecast, and prior year data.
  • Performed account reconciliations on balance sheets and cash accounts, ensuring accuracy between budget and actual expenses.

Team Lead – Accounts Receivable/Military

C&S Wholesale Grocers
09.2016 - 01.2018
  • Promotion based on top performance, and implementation of key process and procedures
  • Reporting – High level reporting each week to Sr. Leadership for Aged Accounts; Account Reconciliation.
  • Collections – Analyzing payment trends, reconciling past due balances, communications with internal and external customers; deduction research.
  • Project Management – lead of various department projects; including change implementation.
  • Team Building, Development, and Training – Interviewing, hiring, and developing new team members. Training them in existing processes and procedures.
  • Process improvement Initiatives - Created and documented key financial processes for various accounts receivable tasks.

Credit & Collections Analyst

C&S Wholesale Grocers
02.2016 - 08.2016
  • Achieved promotion based on outstanding performance and successful documentation of key processes and procedures.
  • Analyzed financial statements to assess customer health and escalated issues to upper management promptly.
  • Led new customer onboarding initiative, facilitating informative meetings for seamless integration.
  • Enhanced financial statement tracking system, improving accuracy and efficiency, which resulted in higher contract compliance success rates by 40%.
  • Cross-functional communications with Sales, Finance, Merchandising, and IT regarding customer-related inquiries.
  • Developed and documented essential financial processes for accounts receivable credit tasks, aiding in shorter team member onboarding and training.
  • Managed collections for high-risk portfolios by analyzing payment trends and reconciling overdue balances. Identifying millions of uncollected balances.
  • Created daily and weekly aging reports, highlighting key areas to focus on for Executive Leadership, enabling less complex decision-making.

Customer Setup Analyst

C&S Wholesale Grocers
10.2014 - 02.2016
  • Maintained customer account information across Oracle, Mainframe, and Lawson systems.
  • Managed customer setup team, delegating tasks and overseeing daily operations.
  • Coached team members to enhance skill development and address improvement areas.
  • Developed comprehensive process manual for Customer Setup function and trained team on procedures.
  • Collaborated with Sales, Finance, Merchandising, and IT to validate customer attributes and pricing.
  • Conducted data management and account analysis, providing scheduled and ad hoc reports to senior management.
  • Established queries to audit customer attributes for new and existing accounts.
  • Resolved customer billing concerns by identifying and eliminating root causes.

Accounts Receivable Rep II/Military AR Analyst

C&S Wholesale Grocers
12.2013 - 10.2014
  • Acquired proficiency in new software applications, including Oracle and Mainframe.
  • Managed multiple accounts, overseeing payment applications, collections, and reconciliations.
  • Developed customer relationships to facilitate timely collection of past due balances.
  • Conducted research on accounts and payment patterns to maintain accuracy and timeliness.

Education

Master’s Degree - Business Administration

Southern New Hampshire University
NH

Bachelors Degree - Legal Studies

Kaplan University
Online

Associates of Arts degree - Business Administration

American Intercontinental University
Online

Skills

  • Team management, development, performance tracking, and evaluation
  • Financial reporting and analysis
  • Accounts receivable management
  • Budget development and management
  • Project management
  • Change management
  • Process improvement and implementation
  • MS Office proficiency
  • Account reconciliations
  • Oracle expertise - Oracle Fusion, Arcs
  • Hyperion utilization
  • Cforia application
  • Alteryx usage
  • Process automation skills
  • Customer relationship management
  • Effective communication skills
  • Account reconciliation
  • Problem-solving capabilities
  • KPI reporting proficiency
  • Strategic planning acumen
  • Cross-functional collaboration skills
  • Financial reporting
  • Talent development focus
  • Organizational improvement initiatives
  • Troubleshooting and resolution expertise
  • Database development knowledge
  • Corporate communication skills
  • Influencing and negotiation tactics
  • Data-driven decision making

Accomplishments

  • Outstanding Student Award (GPA 4.0)
  • Golden Key International Honor Society
  • National Society of Collegiate Scholars
  • Dean’s List, and President’s list
  • National Society of Leadership and Success

Qualifications Summary

  • Budget, forecast and financial analysis
  • Project Management
  • Team Development and Training
  • Change Management
  • Process Improvement/implementation
  • Financial Reporting and Analysis – SG&A, Accounts Receivable and accounting
  • MS Office (Excel, Word, Outlook, PowerPoint, QuickBooks)
  • Account Reconciliations
  • Oracle, Oracle Fusion, Oracle Arcs, Hyperion
  • Cforia – Collection software
  • Alteryx – automation software

Work Availability

monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Software

Oracle Fusion

Oracle ERP

Oracle Arcs

MS Office - Excel, Word, Powerpoint

Cforia

Sage

Alteryx

Quickbooks

OBIEE

Smartview

Bectran

Netnow

Mainframe

Mobius

AS400

Timeline

Senior Manager of Accounts Receivable – Department Head

C&S Wholesale Grocers
06.2024 - 09.2025

Manager of Accounts Receivable – Collections

C&S Wholesale Grocers
05.2023 - 06.2024

Sr. Analyst – Process Automation

C&S Wholesale Grocers
10.2021 - 05.2023

Supervisor – Collections Accounts Receivable

C&S Wholesale Grocers
10.2019 - 10.2021

Supervisor – Cash Applications Accounts Receivable

C&S Wholesale Grocers
01.2019 - 10.2019

Staff Accountant – General Accounting

C&S Wholesale Grocers
01.2018 - 12.2018

Team Lead – Accounts Receivable/Military

C&S Wholesale Grocers
09.2016 - 01.2018

Credit & Collections Analyst

C&S Wholesale Grocers
02.2016 - 08.2016

Customer Setup Analyst

C&S Wholesale Grocers
10.2014 - 02.2016

Accounts Receivable Rep II/Military AR Analyst

C&S Wholesale Grocers
12.2013 - 10.2014

Master’s Degree - Business Administration

Southern New Hampshire University

Bachelors Degree - Legal Studies

Kaplan University

Associates of Arts degree - Business Administration

American Intercontinental University
Marissa A. CastroSenior Finance Leader