John Estrella

Executive Senior Technical Support at Columbia University Irving Medical Center

John Estrella has extensive experience in technical support roles, with a current position as Executive Senior Technical Support at Columbia University Irving Medical Center since December 2021. Previous roles include Executive Desktop Support Specialist at Nestlé and Desktop Support Specialist at Global Brands Group, demonstrating a consistent focus on end-user support, troubleshooting, and maintaining computer systems and peripherals. Additional experience includes positions at GE, CompuCom, Apex Systems, Santander US, and Sandbox Partners, showcasing a breadth of skills in desktop support, help desk operations, and hardware/software installation. Early experience as an Assistant Manager at Superdry and Demo Day Representative at MarketStar highlights strong leadership, sales, and customer service abilities. John Estrella holds a Bachelor of Arts in Computer and Information Sciences from City Tech, CUNY, and a CompTIA A+ Certification from Perscholas Institute for Technology.

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Columbia University Irving Medical Center

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Columbia University Irving Medical Center (CUIMC) is a clinical, research, and educational enterprise located on a campus in northern Manhattan.


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10,000+

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