Jeffrey Segundo Castrence, Castro Valley, CA

Jeffrey Segundo Castrence, a Beloved IT Manager and Entrepreneur, Passes Away Unexpectedly in April 2026

Jeffrey Segundo Castrence, a dedicated IT Manager and Project Manager at Samsung, tragically passed away in April 2026, leaving his family and community devastated. Born on June 10th, 1988, in San Jose, Jeffrey was known for his kindness, positive attitude, and infectious smile. His family, including his 40 cousins, fondly remembers his generosity and the warmth he brought into their lives.

Throughout his life, Jeffrey displayed a passion for self-improvement, having explored various career paths before finding his calling in technology and project management. His entrepreneurial spirit also led him to own a nail salon, where he worked tirelessly to provide for his loved ones. Jeffrey’s dedication to personal growth was evident in his academic achievements, earning his degree from Carrington College in 2009.

His sudden passing has left a void in the lives of his siblings—Katherine, Rowena, Romy, Ricky, Robert, Ted, and Mark—and many nieces and nephews, especially his closest nephew, Ezra. Jeffrey’s sister, Katherine, now faces the difficult task of arranging his funeral and managing the responsibilities that come with his unexpected passing.

The Castrence family finds strength in their faith during this challenging time, seeking support from the community and loved ones to help ease the burden of funeral expenses. Donations are being raised to assist with the funeral costs and memorial services, ensuring that Jeffrey receives the farewell he truly deserves.

Friends and family have shared their heartfelt condolences online, with many expressing the immense impact Jeffrey had on their lives. His memory will continue to inspire those who knew him, as they remember his ambition, kindness, and unwavering spirit.

Kylie Hall on

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