The Irvine, California, community and the Cal Poly Pomona family are mourning the heartbreaking loss of Julianna Yoon, an 18-year-old Agricultural Science student whose life was tragically cut short following injuries sustained in a motorcycle accident. Her unexpected passing has left family, friends, classmates, teammates, professors, and loved ones devastated as they remember a young woman whose determination, compassion, and passion for life inspired everyone around her.

According to her family, Julianna passed away on Wednesday, July 29, after suffering critical injuries in a motorcycle crash on Saturday, July 25. Following the accident, she was airlifted to Scripps Hospital in San Diego, where she received medical care and fought courageously before passing away surrounded by her parents, Sheila and David, and her brother, Brycen.

News of Julianna’s death has brought profound sadness to all who knew her. Those closest to her are remembering not only the tragedy of her passing but also the remarkable life she lived and the countless ways she brought happiness, encouragement, and positivity to the people around her.

Julianna was described as a devoted daughter, loving sister, and loyal friend whose warmth and kindness left a lasting impression. She had an adventurous spirit and approached life with curiosity, determination, and excitement for the future she was working so hard to build.

Before beginning her college journey, Julianna had already achieved many accomplishments as a student-athlete. During high school, she competed in both track and field and cross-country, earning admiration from coaches and teammates for her discipline, perseverance, and willingness to support others. Her positive attitude and dedication made her a respected member of every team she joined.

Beyond athletics, Julianna expressed her creativity through photography, capturing moments of beauty, nature, and personal experiences through her camera. Friends and family remember her ability to see the world with appreciation and turn ordinary moments into meaningful memories.

One of Julianna’s greatest passions was horseback riding and her involvement in the equestrian community. She dedicated countless hours to caring for and riding horses, building a deep connection with the animals she loved. Her commitment, patience, and passion for equestrian activities reflected the dedication she brought to everything she pursued.

As an Agricultural Science major at Cal Poly Pomona, Julianna was known as a hardworking and ambitious student. Her family shared that she balanced a demanding academic schedule, including university coursework and additional classes, while working toward achieving her educational goals ahead of schedule. Her commitment to learning demonstrated the determination and work ethic that defined her character.

Classmates and faculty members remember Julianna as an engaged and motivated student who brought enthusiasm and kindness into the classroom. She was someone who embraced challenges, supported others, and continuously searched for opportunities to grow.

Her passing has deeply impacted the Cal Poly Pomona community, where students, educators, and friends continue to honor her memory. Many are reflecting on her infectious smile, caring personality, and the positive energy she brought into the lives of those around her.

Tributes have continued to come from friends, teammates, classmates, and community members who are celebrating Julianna’s life and the impact she made in such a short time. Loved ones say her legacy is not only found in her achievements but also in the kindness, encouragement, and love she shared with others.

As the Yoon family grieves this unimaginable loss, support has surrounded them from people who want to help during this difficult time. Friends and community members continue to offer prayers, condolences, and assistance while honoring Julianna’s memory.

Although Julianna’s life ended far too soon, those who knew her are choosing to remember the joy, courage, and passion she brought into the world. Her family hopes her memory will inspire others to embrace kindness, pursue their dreams, appreciate life’s opportunities, and treat others with the same compassion she showed every day.

Julianna Yoon will be deeply missed, lovingly remembered, and forever cherished by her family, friends, the Cal Poly Pomona community, and everyone whose life she touched. Her legacy will continue to live on through the memories she created, the people she inspired, and the love she shared with the world.