Accounts Receivable Administrative Assistant

Stamatia Kolomvos

Astoria, NY ***** ****.*****@*****.*** 347-***-****

Professional Summary

Organized and dependable Administrative Support Professional with over 8 years of experience in office management, customer service, and clerical support across healthcare, accounting, and real estate industries. Proven ability to streamline operations, improve communication, and maintain efficient and friendly office environments. Core Competencies

- Administrative Support & Office Management

- Accounts Receivable & Payment Processing

- Scheduling & Calendar Management

- Customer & Tenant Relations

- Microsoft Office Suite (Word, Excel, PowerPoint, Outlook)

- QuickBooks & Smart Vault

- Multitasking in High-Paced Environments

Work Experience

Accounts Receivable / Administrative Assistant

Confidential Property Management Company – Bayside, NY (August 2021 – July 2023)

- Managed accounts receivable for 100+ properties (900+ residential, 200+ commercial units)

- Entered tenant payments, resolved balance issues, and communicated regarding overdue accounts

- Provided excellent customer service by addressing payment and account inquiries

- Assisted office operations with appointment scheduling and workflow support

- Created checklists and templates to improve team organization and accountability

- Supported colleagues who were behind on their workload, enhancing team productivity Administrative Assistant

New Horizon Counseling Center – Valley Stream, NY (August 2020 – July 2021)

- Responded to emails and composed Cognito form reports

- Handled phones and faxes, providing general clerical support including scheduling

- Helped counselors understand and submit reports properly

- Maintained schedules for multiple employees

Executive Assistant / Secretary

Action Accounting – Long Island City, NY (October 2018 – September 2019)

- Contacted clients monthly and gathered documents for deadlines using Microsoft Outlook

- Maintained the CPA’s schedule and managed appointments effectively

- Organized workspaces and scanned/filed documents using Smart Vault

- Supported colleagues who needed help meeting internal deadlines Administrative Assistant / Receptionist

Yuelys & Kalyvas Accounting – Astoria, NY (February 2013 – September 2018)

- Created and maintained a structured filing system for all paperwork

- Communicated with clients and staff in a professional manner

- Learned and used QuickBooks to manage and maintain client accounts

- Handled multi-line phone system while multitasking front desk duties

- Scheduled and organized meetings between clients and accountants Child Caregiver / Teacher Assistant

Bayside Daycare – Bayside, NY (September 2012 – January 2013)

- Assisted the head teacher in keeping children calm and orderly during lessons

- Monitored children's behavior and supported classroom routines

- Communicated with parents and staff effectively

- Fed and cared for children while also managing phone lines as needed Receptionist

Bell Dental Care – Queens, NY (June 2008 – June 2012)

- Maintained an organized filing system to support dental office operations

- Handled a busy multi-line phone system with efficiency

- Provided respectful and responsive service to all patients

- Multitasked across front desk responsibilities in a fast-paced environment Education

Queens College, CUNY – Human Development and Family Studies (In Progress) Nassau Community College – Associate in Liberal Arts St. Mary's High School – High School Diploma

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