Summary
Overview
Work History
Education
Skills
Timeline
Generic

Hanna Serna

Fountain Valley,CA

Summary

Detail-oriented and dependable professional with 5+ years of experience in customer service, cash handling, and operations management. Proven ability to work in fast-paced environments, maintain confidentiality, and support process improvement initiatives. Adept at identifying discrepancies, solving problems under pressure, and providing high-quality member support.
Eager to bring accuracy, compliance, and strong communication skills to a fraud detection team.

Overview

6
6
years of professional experience

Work History

Patient Navigator

Edinger Medical Group
05.2025 - Current
  • Manage high-volume inbound calls to schedule appointments, assist with inquiries, and provide exceptional service to patients.
  • Respond promptly and professionally to patient messages via portal, text, and email, ensuring
    timely and accurate communication.
  • Coordinate appointment scheduling with medical providers and departments to optimize patient access and care.
  • Maintain confidentiality of patient information in compliance with HIPAA and medical office protocols.

Store Manager

Dollar Tree
02.2025 - 04.2025
  • Oversaw daily operations including inventory control, cash management, and opening/closing procedures.
  • Reviewed transaction activity and balanced cash drawers to identify and resolve discrepancies.
  • Provided coaching on compliance with store policy, improving team accountability and accuracy.
  • Monitored store activity for potential loss and collaborated with leadership on incident resolution.
  • Maintained confidential employee and transaction records, ensuring compliance with internal protocols.

Merchandise Manager

Dollar Tree
05.2022 - 02.2025
  • Verified inventory accuracy against purchase orders and documented discrepancies for resolution.
  • Coordinated with vendors and internal teams to track inbound shipments and manage store stock levels.
  • Completed and maintained records for product handling, helping prevent inventory shrinkage.
  • Supported store leadership with audits and inventory-related reporting.

Cashier

Dollar Tree
02.2019 - 05.2022
  • Handled high-volume cash and card transactions with accuracy, minimizing errors and discrepancies.
  • Maintained confidentiality of customer information and processed transactions in compliance with policy.
  • Provided exceptional service while managing multiple tasks in a fast-paced environment.
  • Supported loss prevention efforts by identifying unusual transaction patterns and reporting concerns.

Education

High School Diploma -

Fountain Valley High School
Fountain Valley, CA
06.2019

Skills

  • Risk Awareness & Loss Prevention
  • High-Volume Cash Handling
  • Confidential Information Protection
  • Multisystem Navigation
  • Member Service & Support
  • Problem Solving & Investigation
  • Fast-Paced Task Management
  • Strong Attention to Detail

Timeline

Patient Navigator

Edinger Medical Group
05.2025 - Current

Store Manager

Dollar Tree
02.2025 - 04.2025

Merchandise Manager

Dollar Tree
05.2022 - 02.2025

Cashier

Dollar Tree
02.2019 - 05.2022

High School Diploma -

Fountain Valley High School
Hanna Serna