David Casarez
San Antonio,TX
Summary
Results-driven and customer-focused professional with experience in sales, coaching, and hands-on service roles. Proven ability to build strong client relationships, communicate value, and perform in fast-paced environments. Demonstrates leadership, resilience, and a strong work ethic, with a track record of managing responsibilities under pressure and delivering high-quality results.
Overview
4
4
years of professional experience
1
1
Certification
Work History
Assiant MMA/ Muay Thai Coach
Ohana Academy HQ
San Antonio, TX
11.2024 - Current
- Built strong relationships with members, creating a positive and motivating training environment that encouraged retention and growth
- Demonstrated leadership, communication, and the ability to perform in high-pressure situations
- Helped develop athletes’ striking, conditioning, and fight IQ through disciplined and consistent coaching
- Built strong relationships with members, creating a positive and motivating training environment that encouraged retention and growth
- Assisted in leading Muay Thai and MMA training programs, coaching athletes of all skill levels in both group and private setting
- Conducted group classes of up to 50 participants, maintaining high energy, structure, and safety while delivering clear instruction I
Professional Car Detailer
Wash Tub Car Wash
Boerne, TX
09.2023 - Current
- Completed company training and certification to master detailing techniques, service standards, and product knowledge
- Delivered high-quality detailing services while maintaining efficiency and attention to detail in a fast-paced environment
- Maintained consistency and professionalism during high-volume days, effectively managing time and workload under pressure
- Collaborated with team members to ensure smooth workflow, customer satisfaction, and timely service completion
- Upheld company standards for quality, safety, and customer experience
Sales and Marketing Advisor
Oh Wow Detail Shop
San Antonio, TX
10.2024 - 10.2025
- Worked in my uncle's detail shop . The detail shop will bring in 0-5 cars a day still had to make enough sales to pay rent, chemicals, employees, & the little i could to my self . I can imagine succeeding very highly at a place that comes with endless sales opportunities
- My Best day of sale was when i sold 4 coatings packages to a singular customer totaling up to 2,500 dollars from that sale alone.
- Developed strong sales skills consulting with customers, identifying needs, and recommending service packages based on value
- Educated clients on service differences (basic wash vs. full detail), increasing average ticket size and customer satisfaction
- Delivered high-quality results and customer service, leading to repeat business and word-of-mouth referrals
- Created daily weekly content on instagram to draw costumers into the shop @ohwowdetails
Medical Assiant
Psych of Sa
San Antonio, TX
07.2022 - 11.2023
- Assisted three physicians in daily clinical operations, ensuring efficient patient flow and high-quality care
- Collected and recorded vital signs, performed EKGs, and prepared patients for evaluations and follow-up visits
- Maintained accurate and organized patient records while ensuring confidentiality and compliance with healthcare standards
- Communicated effectively with patients to provide support, instructions, and a positive clinical experience
- Demonstrated professionalism, empathy, and strong interpersonal skills when working with diverse patient populations
Education
High School Diploma -
Clark High School
San Antonio, TXSkills
- Customer Service & Client Relationship Building
- Consultative Sales & Upselling Techniques
- Communication (One-on-One & Group Settings)
- Leadership & Team Collaboration
- High-Volume Work Environment Efficiency
- Time Management & Organization
- Problem Solving & Adaptability
- Ability to Perform Under Pressure
- Attention to Detail
- Product & Service Knowledge Development
- Conflict Resolution & Customer Retention
- Goal-Oriented & Results-Driven Mindset
- Training & Coaching (Individuals & Groups)
- Professionalism & Strong Work Ethic
- Resilience & Mental Toughness
Accomplishments
- Built and help generate sales & leads to my uncle detailing business, generating consistent income through repeat clients and referrals
- Increased service value and customer spending by effectively educating clients on premium detailing options
- Led and instructed group training sessions of up to 50 participants, maintaining engagement, structure, and safety
- Delivered personalized one-on-one coaching that improved client performance, technique, and confidence
- Cornered fighters in live competitions, providing real-time strategy and support in high-pressure environments
- Completed professional certification at The Wash Tub and quickly mastered full-service detailing standards
- Maintained high productivity and quality during fast-paced, high-volume workdays
- Demonstrated resilience and commitment by continuing to work and perform during & recovering from an ACL injury
- Assisted three physicians simultaneously in a psychiatry clinic, supporting efficient patient flow and care delivery
- Performed vitals, EKGs, and gained working knowledge of medications, contributing to accurate and effective patient support
Affiliations
Ohana Headquarters
House of Jiu Jitsu
Dominion MMA
Certification
Detail Certificated
MA Certified
Languages
Spanish
Professional Working
Interests
- Mixed Martial Arts & Muay Thai Training
- Fitness & Strength Conditioning
- Personal Development & Discipline
- Mental Health Awareness & Patient Care
- Learning About Medications & Healthcare Practices
- Sales & Communication Skills Development
- Outdoor Activities & Social Events
- Networking & Building Connections
Timeline
Assiant MMA/ Muay Thai Coach
Ohana Academy HQ
11.2024 - Current
Sales and Marketing Advisor
Oh Wow Detail Shop
10.2024 - 10.2025
Professional Car Detailer
Wash Tub Car Wash
09.2023 - Current
Medical Assiant
Psych of Sa
07.2022 - 11.2023
High School Diploma -
Clark High School