Diana Callejas
Miami,FL
Summary
Detail-oriented and customer-focused professional with strong administrative experience, exceptional communication skills, and a proven ability to deliver high-quality service in fast-paced environments. Skilled in phone etiquette, data entry, scheduling, and guest support. Adept at managing reservations, addressing concerns, and ensuring smooth, positive customer experiences. Seeking to contribute to Marriott as a Remote Reservation Clerk.
Overview
7
7
years of professional experience
1
1
Certification
Work History
Data Entry Assistant
SightRite Eye Care Services
01.2022 - 09.2023
- Supported optical office operations and patient coordination.
- Strengthened critical thinking and interpersonal communication.
- Part-Time
- Answered multi-line phone system, routing calls, delivering messages to staff and greeting visitors.
- Managed daily scheduling and calendar coordination for executive team.
- Coordinated office supply inventory management, proactively ordering necessary items before depletion to avoid workflow disruptions.
- Streamlined invoice processing procedures to ensure timely payment of vendors while minimizing errors in financial records.
- Maintained organized physical and digital filing systems to enhance data retrieval efficiency.
Administrative Assistant
Confidential Careers
05.2025 - Current
- Answer and direct high volumes of phone calls professionally.
- Manage office correspondence including emails and letters.
- Schedule appointments and maintain organized records.
- Handle confidential information with discretion.
- Provide administrative support while meeting deadlines.
- Remote
Administrative Assistant
Confidential (Apprenticeship)
03.2021 - 02.2022
- Supported supervisors with scheduling, document handling, and clerical tasks.
- Ensured high-quality customer interactions and service accuracy.
- Strengthened teamwork, communication, and problem-solving skills.
- Hybrid
Optometric Assistant
Eyes On Brickell
08.2020 - 01.2021
- Assisted doctor with medical histories, diagnostic testing, and vision measurements.
- Handled front desk duties including phones, scheduling, and insurance authorizations.
- Instructed patients on contact lens care and prepared exam rooms.
- Coordinated patient flow to minimize wait times.
Data Entry Clerk
University of Miami Health System
09.2020 - 12.2020
- Managed incoming calls and directed inquiries.
- Performed accurate data entry and record updates.
- Assisted with scheduling, event coordination, and supply tracking.
- Maintained strict confidentiality and accuracy.
- Internship
Sales Associate
Crocs
02.2019 - 09.2019
- Provided excellent customer service and product support.
- Processed POS transactions, assisted with merchandising and inventory.
- Helped increase sales with suggestive selling and product knowledge.
Retail Associate
Build-A-Bear Workshop
09.2018 - 01.2019
- Created personalized, memorable experiences for guests.
- Used open-ended questions to drive sales and meet store goals.
- Provided friendly, energetic customer service in a high-traffic environment.
Education
Certificate - Marketing & Communications
Miami Dade College (MDC)
05-2023
High School Diploma or GED -
Coral Gables Senior High
Miami, FL05-2020
Skills
- Customer Service & Call Handling
- Reservation Support
- Microsoft Office & Outlook
- Data Entry & Record Management
- Scheduling & Calendar Management
- Problem Solving & Conflict Resolution
- Confidential Information Handling
- Professional Communication
- Team Collaboration
- Multitasking & Time Management
- Error detection and correction
- Deadline oriented
Certification
.
Languages
English
Native or Bilingual
Spanish
Native or Bilingual
Portuguese
Limited Working
Timeline
Administrative Assistant
Confidential Careers
05.2025 - Current
Data Entry Assistant
SightRite Eye Care Services
01.2022 - 09.2023
Administrative Assistant
Confidential (Apprenticeship)
03.2021 - 02.2022
Data Entry Clerk
University of Miami Health System
09.2020 - 12.2020
Optometric Assistant
Eyes On Brickell
08.2020 - 01.2021
Sales Associate
Crocs
02.2019 - 09.2019
Retail Associate
Build-A-Bear Workshop
09.2018 - 01.2019
Certificate - Marketing & Communications
Miami Dade College (MDC)
High School Diploma or GED -
Coral Gables Senior High