The Purpose Of Our Lives Is To Be Happy

Private Jewels Boxing Club INC

Private Jewels Boxing Club INCPrivate Jewels Boxing Club INCPrivate Jewels Boxing Club INC

Private Jewels Boxing Club INC

Private Jewels Boxing Club INCPrivate Jewels Boxing Club INCPrivate Jewels Boxing Club INC
  • HOME
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    • HOME
    • Amateur Boxing Program
    • Wolf Den ATHLETES
    • Adult Private Sessions
    • Kids Private Sessions
    • Pro Boxing Program
    • Boxing Ring Rental
    • About Coach Alex
  • HOME
  • Amateur Boxing Program
  • Wolf Den ATHLETES
  • Adult Private Sessions
  • Kids Private Sessions
  • Pro Boxing Program
  • Boxing Ring Rental
  • About Coach Alex

The best time to plant a tree was 20 years ago. The second best time is now.


Love What You Do, Do What You Love!

Welcome Everyone to Alexander Sepulveda -Sport Bio- Page

Welcome Everyone to Alexander Sepulveda -Sport Bio- Page

Welcome Everyone to Alexander Sepulveda -Sport Bio- Page

Welcome Everyone to Alexander Sepulveda -Sport Bio- Page

Welcome Everyone to Alexander Sepulveda -Sport Bio- Page

Welcome Everyone to Alexander Sepulveda -Sport Bio- Page

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About Coach Alex

-BIO-

Biography


My journey into health and fitness has been defined by resilience, discipline, and transformation. What began in my youth as a passion for sports evolved into a lifelong commitment to performance, coaching, and helping others unlock their potential.

From an early age, athletics became the foundation of my life. I competed and excelled in Baseball, Basketball, Karate, Boxing, and Strength Training. These experiences shaped not only my competitive mindset but also my understanding of discipline, preparation, and mental toughness.


Athletic Background & Competitive Achievements


• Baseball — UMass Boston (1999–2003)

• Kenpo Karate — Black Belt National Champion (1997 & 1998)

• Kenpo Karate Record — 75 Wins / 15 Losses

• Kenpo Karate — Regional Champion (Multiple Years)

• 2nd Degree Black Belt — IKKA Registered Instructor

• Shorin-Ryu Karate — Brown Belt Champion

• Amateur Boxing Record — 32 Wins / 9 Losses


A Defining Turning Point


In 2004, my life took a difficult and deeply personal turn following the loss of several close family members and mentors. Struggling with grief, anxiety, and depression, I fell into destructive habits that severely impacted my health and well-being. Over time, I gained more than 100 pounds and developed serious health risks, including high blood pressure and high cholesterol.

After spending eight years of my life incarcerated, I was forced to confront the reality of my choices and the direction of my future.

Everything changed on August 3, 2009 — the day my son was born.

Holding my son in my arms became the catalyst for a complete transformation. In that moment, I made the decision to rebuild my life, my health, and my purpose.

Guided by discipline, nutritional changes, consistent training, and mental conditioning practices such as meditation, I lost over 100 pounds in less than one year. More importantly, I rebuilt my mindset, my identity, and my mission.


Purpose & Philosophy


That transformation ignited a deep passion for helping others achieve what often feels impossible. I understand firsthand the physical, mental, and emotional barriers that can stand in the way of progress — and I specialize in helping clients break through them.

Health and fitness did more than change my body — they saved my life.

Today, my mission is to help individuals become stronger, healthier, more confident, and more resilient — both physically and mentally.


Education & Professional Development


• UMass Boston

• NASM (National Academy of Sports Medicine)

• NSCA (National Strength & Conditioning Association)

• USA Boxing

• USA Weightlifting

• IKKA (International Kenpo Karate Academies)

• Certified Grant Writer


Certifications & Credentials


• NSCA-CPT — Certified Personal Trainer

• CSCS — Certified Strength & Conditioning Specialist

• CSPS — Certified Special Population Specialist

• NASM Nutrition Coach

• TRX Instructor — Level 1 & 2

• USA Weightlifting — Level 1

• USA SafeSport Certified

• IKKA Registered Instructor

• Kenpo Karate — 2nd Degree Black Belt


Boxing Leadership & Roles


• USA Boxing Certified Coach

• USA Boxing Official — Level I

• USA Boxing Bronze, Silver & Gold Level Coach

• New England National Team Coach (Multiple Years)

• Registered Professional Boxing Trainer

• Registered Boxing Manager & Promoter

• USA Boxing New England President

• USA Boxing High Performance Coach

• Federación Puertorriqueña de Boxeo — Consultant

• Vice President — Boxeo Amateur México (BAM)


Recognition & Awards


• Best Gym of the North Shore — Nominated 8×

• Best Personal Trainers of the North Shore — Nominated 12×

• Multiple Small Business Excellence Awards

• Readers’ Choice Awards — Gym of the Year

• Greater Lynn Chamber of Commerce Recognition

• Massachusetts State House Certificates of Recognition

• Lynn City Hall & Mayor’s Office Recognition

• Marquis Who’s Who Biography Honors

• Business Excellence Hall of Fame Inductee

Many have searched for the mythical Fountain of Youth. In my experience, the true fountain of youth is far simpler — disciplined training, intelligent nutrition, and a lifestyle built around consistency and purpose.

Let’s embrace that lifestyle together.

One Body — One Life — One Chance

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  • HOME
  • Amateur Boxing Program
  • Wolf Den ATHLETES
  • Adult Private Sessions
  • Kids Private Sessions
  • Pro Boxing Program
  • Boxing Ring Rental
  • About Coach Alex

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