Personal Training & Private Swim Lessons
Helping children, adults, and athletes build strength, confidence, and lifelong skills through personalized coaching.
NASM Certified Personal Trainer • NASM Certified Nutrition Coach • American Red Cross Lifeguard Instructor • Personal Trainer at Cupertino Sports Center • Athletic Training Experience
Why Train With Diego
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Certified Expertise
NASM Certified Personal Trainer and Certified Nutrition Coach with experience in strength training, program design, swim instruction, and client-centered coaching.
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Personalized Coaching
Every training program and swim lesson is customized to the client’s goals, ability, experience, and schedule.
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Real Coaching Experience
Experience providing private training, group fitness instruction, youth coaching, swim instruction, and athletic rehabilitation exercise support.
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Family-Friendly
Supportive coaching for children, teens, adults, athletes, older adults, and families.
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Progress That Matters
Structured plans, clear goals, consistent coaching, and progress tracking designed to produce lasting results.
100+ Clients Helped • 4+ Years Coaching Experience • NASM Certified • CPR/AED Certified • 5-Star Reviews
TRAINING SERVICES
Helping clients of all ages get stronger, move better, build confidence, and reach their goals through evidence based coaching
Nutrition Coaching
Coming soon...
- Sustainable eating habits
- Meal-planning guidance
- Performance nutrition education
- Accountability and goal setting
- Support for general health goals
Habit-based nutrition support
Coaching Packages
Invest in Your Health. Build Results That Last.
Whether you're looking for a single session to get started or a long-term coaching plan, every program is designed to help you build strength, improve confidence, and achieve lasting results.
Every Package Includes
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Personalized one-on-one coaching
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Customized workout programming
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Progress tracking
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Flexible scheduling
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Goal-focused training
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Professional guidance and support
Not Sure Which Package Is Right for You?
Schedule a consultation, and we'll discuss your goals and recommend the best program for your fitness journey.

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"Diego helped our daughter become comfortable in the water after just a few lessons. He's patient, professional, and makes every lesson fun."
Why Choose Private Lessons?
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Personalized attention during every lesson
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Faster progress than large group classes
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Flexible lesson plans based on each swimmer's needs
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Safe, encouraging learning environment
Private Swim Lessons
Build Confidence. Stay Safe. Learn for Life.
💧 Water confidence & safety
🏊 Beginner swim fundamentals
🌊 Stroke development & technique
🌬️ Breathing, endurance & efficiency
🛟 Water survival skills
⭐ Confidence in and around the water
Who Are Lessons For?
✔ Infants & Toddlers
✔ Children
✔ Teens
✔ Adults
✔ Beginner to Advanced Swimmers
Train Where It Works for You

Fitness Facility
Private and group training at approved fitness facilities, including the Cupertino Sports Center.

Outdoor Park Training
Customized workouts at local parks, tracks, and open spaces using portable training equipment.

Apartment or Home Gym
Personalized coaching using the equipment available at your apartment, home, or residential fitness center.

Pool-Based Swim Instruction
Private and small-group lessons provided at an approved community, residential, or private pool.
Location availability may vary. Contact Diego to discuss the best option for your goals.
What Clients Can Expect
Professional and dependable communication
Clear goals and progress tracking


Personalized instruction
Encouraging, high-energy coaching


Safe and age-appropriate training
Flexible private and small-group options


Trusted by Local Clients and Families
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“I cannot recommend Diego enough. He is highly skilled, patient yet assertive, punctual, and great at communicating.”
— Shivika, Swim Lesson Client
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“Diego has been an outstanding swim instructor for both of my daughters. He is patient, encouraging, and does a great job tailoring his approach to each child.”
— Anil, Swim Lesson Client
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“We have been doing private swim lessons with Diego for my five-year-old. This is the first time my son has been genuinely engaged and actually enjoys his lessons.”
— Agostina, Private Swim Lesson Client
Ready to Get Started?
Ready to take your fitness or swim skills to the next level? Tell me your goals and I'll create a personalized plan to help you achieve them.