Summary
Overview
Work History
Education
Skills
Accomplishments
Certification
LANGUAGES
Timeline
Generic
Rui Sun

Rui Sun

Summary

Accounting Manager with extensive experience supporting multi-entity operations, month-end close, and U.S. GAAP financial reporting.

Proven ability to manage complex reconciliations, oversee close processes, and partner with external CPAs and auditors.

Currently providing accounting and financial reporting services on a contract basis through an independent consulting practice, supporting CPA firms and business clients in remote, project-based environments.

Overview

2026
2026
years of professional experience
1
1
Certification

Work History

Principal Consultant

Sylvain Consulting LLC

Jan 2026 – Present | Remote

  • Provide accounting and financial reporting services to CPA firms and business clients on a project and retainer basis
  • Support month-end close, complex reconciliations, general ledger cleanup, and financial statement preparation
  • Assist CPA firms during peak periods with close support, backlog resolution, and special accounting projects
  • Deliver company-to-company accounting services with a focus on accuracy, responsiveness, and audit readiness
  • Work independently in remote environments and collaborate seamlessly with in-house teams and external advisors

Accounting Manager

Vital Chemical USA LLC
Cupertino, CA
03.2025 - Current
  • Directed end-to-end month-end close and financial reporting processes for multi-entity operations under U.S. GAAP.
  • Lead complex reconciliations, accruals, and intercompany accounting, resolving historical issues and close variances
  • Establish and maintain accounting controls, documentation, and close procedures to support audit readiness
  • Serve as primary accounting liaison with external CPAs, tax advisors, and auditors
  • Support management with cash flow forecasting, budgeting, and ad hoc financial analysis

Senior Accountant

VM Services, Inc.
Milpitas, CA
05.2021 - 02.2025
  • Oversaw accounts receivable and accounts payable functions to ensure accurate financial reporting. Reviewed daily and monthly accounting activities, including journal entry preparation. Monitored and managed records of other assets and liabilities to support financial integrity.
  • Facilitated month-end closing activities to ensure accurate financial reporting, including preparation of bank and GL account reconciliations.
  • Developed and organized reporting package to facilitate informed decision-making through detailed sales and inventory analyses, along with financial statements.
  • Streamlined claims processing and payment management to enhance intercompany transaction efficiency.
  • Directed monthly inventory reconciliation processes to ensure accuracy and compliance with established standards.
  • Processed staff reimbursements and commissions to support team operations. Managed company sales tax compliance to ensure accurate financial reporting. Assisted in maintaining financial records for reimbursement and commission transactions.
  • Prepare credit limit and credit term review for customers.

Staff Accountant

ASAM LLP
Sunnyvale, CA
03.2019 - 05.2021
  • Processing payroll, inputting and verifying payroll data. Prepare DE9&9C, 941, 940 form and submit quality or annual report to EDD and IRS for clients.
  • Prepare and submit sales tax for clients. Prepare and submit Business Property statement, 571-L form to County for clients.
  • Reconcile relevant balance sheet & profit and loss accounts. Manage and maintain Chart of Account, bank reconciliations.
  • Verify and enter details of federal, state tax documents, W-2 forms, 1099.
  • Prepare and knowledge of tax services for individuals (1040), Schedule C, C- Corporations (1120), S-Corporations (1120S), and Partnerships

Accountant Assistant Manager

NANYAN CONSTRUCTION PTE PTD
Singapore
10.2014 - 12.2018
  • Perform required balance sheet reconciliation at month end.
  • Ensure balance sheet reconciliations are completed and reviewed in a timely manner.
  • Assistant to prepare and close of monthly and annual financial statements.
  • Issue and manage invoices & receipts of company.
  • Process all payroll reports.
  • Submit company Tax and employee income tax to IRAS.
  • Record and manage fixed asset accounting including depreciation
  • Fixed asset register maintenance.

Administrative Clerk

UNITED BUILDING CONTRACTORS PTE LTD
Singapore
09.2011 - 10.2014
  • Dealing with external public relations include Singapore government and key account.
  • Completed clerical tasks including placing orders.
  • Enforced company policies and procedures.
  • Coordinated and maintained impressive office organization to keep facilities efficient, organized and professional.
  • Communicated with customers via phone and email to confirm deliveries and respond to inquiries.
  • Managed multiple projects simultaneously using organizational and analytical skills.

Education

Master of Science - Accounting

Kelley School of Business At Indiana University
12.2020

Bachelor of Arts - Education

Xu Chang University
China
07.2011

Skills

  • GAAP Accounting
  • Accounting Records Analysis
  • Advanced Excel Skills, Pivot Table,VLOOKUP
  • QuickBooks/Sage/SAP/Expandable ERP
  • Lacerte
  • Power BI
  • SQL

Accomplishments

  • Owned and stabilized month-end close for multi-entity operations, ensuring accurate, GAAP-compliant financial reporting under tight timelines
  • Resolved complex reconciliations and historical accounting issues, strengthening balance sheet integrity and audit readiness
  • Served as a key accounting partner to management, external CPAs, and auditors, delivering reliable results with minimal oversight in remote environments

Certification

  • Intuit Bookkeeping Professional
  • Certificate Bookkeeping Basics
  • Assets in Accounting
  • Liabilities and Equity in Accounting
  • Financial Statement Analysis

LANGUAGES

English - Full Professional
Chinese (Mandarin) - Native or Bilingual

Timeline

Accounting Manager

Vital Chemical USA LLC
03.2025 - Current

Senior Accountant

VM Services, Inc.
05.2021 - 02.2025

Staff Accountant

ASAM LLP
03.2019 - 05.2021

Accountant Assistant Manager

NANYAN CONSTRUCTION PTE PTD
10.2014 - 12.2018

Administrative Clerk

UNITED BUILDING CONTRACTORS PTE LTD
09.2011 - 10.2014

Bachelor of Arts - Education

Xu Chang University

Principal Consultant

Sylvain Consulting LLC

Master of Science - Accounting

Kelley School of Business At Indiana University
Rui Sun