Leslie Cruz
Antioch
Summary
Detail-oriented Pre-med Biochemistry Student transferring to UCLA with hands-on experience in emergency medicine and research. EMT providing patient care in high-pressure environments. Conducted research in environmental chemistry and microbiology, presenting findings at the SACNAS National Diversity in STEM Conference. STEM tutor specializing in calculus, chemistry, and biology, with a commitment to a career in emergency medicine.
Overview
3
3
years of professional experience
1
1
Certification
Work History
Emergency Medical Technician
Royal Ambulance
San Leandro
11.2025 - Current
- Delivered pre-hospital patient care, assessing conditions and providing vital signs and BLS interventions to stabilize patients
- Monitored patient status during transport, ensuring safe and effective care in high-pressure situations to optimize outcomes
- Communicated with patients and hospital staff, facilitating smooth transitions of care and enhancing patient experience
- Document patient encounters and maintain ambulance readiness and equipment
Tutor
Los Medanos College
Pittsburg
08.2025 - Current
- Supported college-level students in Chemistry, Calculus, and Biology, enhancing understanding and performance
- Built student confidence through individualized guidance and active problem-solving strategies
- Strengthened communication and collaboration skills in dynamic learning environments
Volunteer
Aspen Surgery Center, LLC (John Muir Health)
Walnut Creek
01.2025 - Current
- Collaborated with nurses, doctors, and administrative staff to streamline healthcare operations
- Facilitated patient check-ins, enhancing workflow for medical staff
- Maintained welcoming, organized environment for patients and visitors, improving overall experience
Behavior Technician (RBT)
Butterfly Effects
10.2024 - 07.2025
- Provided therapeutic support to children with autism using evidence-based techniques
- Implemented individualized treatment plans, monitored progress, and adjusted strategies to meet client needs
- Facilitated client adaptation to new experiences, enhancing comfort and confidence
Lifeguard (Seasonal)
Antioch Water Park
Antioch
05.2023 - 08.2024
- Administered CPR and first aid in emergency situations
- Taught swimming lessons for various age groups
- Collaborated with team members to enhance patron safety protocols
- Monitored behaviors and enforced safety rules to prevent accidents
- Participated in weekly training sessions to maintain up-to-date lifesaving skills
Education
Associate of Science - Biochemistry
Los Medanos College
Pittsburg, CA05-2026
High School Diploma -
Deer Valley High School
Antioch, CA06-2024
Skills
- Emergency care
- CPR certification
- Emergency management
- Crisis intervention
- Problem-solving and critical thinking
- Adaptability under pressure
- Team leadership
- Communication skills
Certification
- Emergency Medical Technician (EMT), CA License: E210279, 08/27
- NREMT ID, E4028464, 03/28
- Adult & Pediatric First Aid/CPR/AED, American Red Cross, 05/25, 05/27, 01UCOT5
- Basic Life Support (BLS), American Heart Association, 06/25, 06/27
Volunteer Experience
Volunteer — Aspen Surgery Center (John Muir Health)
Walnut Creek, CA | Jan 2025 – Present
- Support patient intake and assist clinical staff in a fast-paced outpatient setting
- Help maintain an organized and welcoming environment for patients and families
- Gain exposure to healthcare operations through collaboration with clinical and administrative teams
Volunteer — Amavi Home Health & Hospice
Brentwood, CA | Jun 2024 – Present
- Assist with patient records, documentation, and administrative support in a hospice setting
- Support staff in maintaining organized patient information and care coordination
- Gain insight into end-of-life care and the importance of compassion and attention to detail
Languages
- English, Native / Bilingual
- Spanish, Full Professional
Research Experience
Undergraduate Researcher (Chemistry) — Los Medanos College
Jan 2025 – May 2025
- Conducted environmental chemistry research on adsorption of methylene blue dye using calamansi peels
- Applied spectrophotometry and kinetic modeling to analyze adsorption rates in freshwater and saltwater systems
- Presented findings at the SACNAS National Diversity in STEM Conference and LMC STEM Symposium
Undergraduate Researcher (Biology) — Los Medanos College
Jan 2025 – May 2025
- Investigated E. coli survival across varying soil pH levels using microbiological techniques
- Performed serial dilutions, plating, and data analysis to evaluate bacterial persistence
Timeline
Emergency Medical Technician
Royal Ambulance
11.2025 - Current
Tutor
Los Medanos College
08.2025 - Current
Volunteer
Aspen Surgery Center, LLC (John Muir Health)
01.2025 - Current
Behavior Technician (RBT)
Butterfly Effects
10.2024 - 07.2025
Lifeguard (Seasonal)
Antioch Water Park
05.2023 - 08.2024
Associate of Science - Biochemistry
Los Medanos College
High School Diploma -
Deer Valley High School