Oshin Tan

Experienced customer service and technical support professional with over 10 years of experience across telecommunications, B2B, e-commerce, retail, software, airlines, and financial services. Proven background in handling escalated customer concerns, providing operational guidance, supporting quality assurance and training initiatives, and serving as a Subject Matter Expert. Currently working as a Senior CSO at Blueberry, with a strong track record of reliability, adaptability, and team support.

Senior Customer Support Officer / Subject Matter Expert at Blueberry (2026-01 – Present)

• Promoted to Senior Customer Support Officer / Subject Matter Expert, providing advanced customer support and operational guidance to the team.
• Assist with complex and escalated customer cases requiring additional investigation and support.
• Provide guidance to team members on processes, customer concerns, and operational procedures.
• Recognized with the Team Anchor Award for reliability, dedication, and being a consistent source of support for the team.
• Recognized with the Extra Mile Award for proactively stepping up, demonstrating flexibility, and providing additional support when needed.

Customer Support Officer at Blueberry (2024-03 – 2025-12)

Customer Obsession Representative at Thrasio / AMZ Allstars (2021-05 – 2023-12)

• Provided customer support within an e-commerce environment.
• Assisted customers with inquiries and order-related concerns.
• Utilized e-commerce and order management platforms to support customer needs.

Technical Support Representative at Sykes (2020-02 – 2020-09)

• Provided technical support and customer assistance.
• Troubleshooting customer concerns and providing appropriate solutions.
• Maintained professional customer communication while handling technical inquiries.

Senior Analyst / Subject Matter Expert at CGI Philippines Inc. (2018-05 – 2020-01)

• Appointed as a Subject Matter Expert for the AT&T Business-to-Business campaign, providing operational guidance and support to team members.
• Trained for the Quality Assurance Analyst role, gaining hands-on experience auditing calls and reviewing agent transactions for compliance with quality standards.
• Selected to serve as a Temporary Training Specialist, facilitating training and onboarding sessions for new hires supporting the AT&T campaign.
• Handled escalated customer concerns and developed a Call Transaction Checklist that was recognized by CGI and AT&T stakeholders.
• Recognized as one of CGI's Most Outstanding Members and contributed to a team that received the Most Outstanding Team Award.

Customer Service Representative at Convergys Philippines (2016-04 – 2017-01)

• Provided customer service and support while maintaining professional communication and service standards.

Customer Service Representative at Sitel Philippines (2013-03 – 2016-02)

• Provided customer assistance across customer service environments.
• Developed a strong foundation in customer communication, issue resolution, and service delivery.

Bachelor of Science in Tourism — Undergraduate; Completed first year, first semester – Institute of Creative Computer Technology

High School – San Jose National High School (2011-03)