William Caballero Otero
San Juan
Overview
13
13
years of professional experience
Work History
Martial Arts Instructor
Mma Gym Puerto Rico
San Juan, Puerto Rico
08.2023 - Current
- Instructed diverse martial arts classes for students of all ages and skill levels.
- Instructed students on proper technique of punches, kicks, throws, holds, blocks and self-defense tactics.
Construction Laborer
Black Industries
San Juan, Puerto Rico
10.2024 - 09.2025
- Assisted skilled tradespeople with framing, drywall, and finishing tasks.
- Maintained a clean and organized job site for safety and efficiency.
- Loaded and unloaded materials, ensuring proper handling and storage.
- Transported tools and equipment between job sites to support operations.
- Operated a variety of hand and power tools to complete tasks such as sawing, drilling, hammering, and excavating.
WAREHOUSE MANAGER
DNB Nail Supply
Carolina
07.2021 - 08.2023
- Ensured efficient management of warehouse operations and personnel, including receiving, loading, unloading, storage, inventory control, shipping, distribution and returns.
- Tracked inventory levels on a regular basis.
- Manage social media pages, and provide customer service on product inquiries.
CARD HOLDER DISPUTE/ CARD WHITELISTING
Conduent
Guaynabo
03.2021 - 08.2021
- Provided efficient and courteous service to customers at all times.
- Ensure cardholder sensitive information is secure.
- Approve or reject whitelisting of debit cards for travel.
MILITARY POLICE OFFICER
U.S. Army Reserves
Guaynabo
02.2013 - 02.2021
- Prepared detailed reports documenting all aspects of each incident including witness statements, physical evidence collected.
- Utilized specialized law enforcement training to enforce laws on military installations.
- Maintained strict adherence to security protocols, ensuring the safety of personnel and equipment in a military environment.
Education
HIGH SCHOOL DIPLOMA -
Juan J. Osuna
Caguas, PR05.2011
Skills
- Customer service
- Inventory control
- Time management
- Safety protocols
- Effective communication
Timeline
Construction Laborer
Black Industries
10.2024 - 09.2025
Martial Arts Instructor
Mma Gym Puerto Rico
08.2023 - Current
WAREHOUSE MANAGER
DNB Nail Supply
07.2021 - 08.2023
CARD HOLDER DISPUTE/ CARD WHITELISTING
Conduent
03.2021 - 08.2021
MILITARY POLICE OFFICER
U.S. Army Reserves
02.2013 - 02.2021
HIGH SCHOOL DIPLOMA -
Juan J. Osuna