Seung Eun Nancy Yeo
Seung Eun Nancy Yeo

Customer Success Manager

Actively looking · Member since 6 Jul 2026
Message
Location
United States
Desired salary
Unspecified
Work preference
Full Time
Experience level
Not set

About

Professional summary

I am a Customer Success Manager with an engineering background, and I enjoy building the systems I manage. My experience combines customer success, technical problem-solving, and workflow automation, which helps me bridge the gap between customers and internal teams.

I currently manage a book of 119 B2B accounts across the US and UK, supporting more than $30M in annualized recurring revenue. I focus on adoption, expansion, and retention by delivering hands-on onboarding, enablement, and ongoing account support.

I have built an AI-powered CRM and automated workflow system from the ground up. I am comfortable working with APIs, integrations, JavaScript, and data sources, and I use that technical foundation to create clear, scalable customer experiences.

My background also includes sales and healthcare experience, where I developed strong communication, relationship-building, and coordination skills. I have worked directly with customers, patients, and cross-functional teams to solve problems quickly and keep operations running smoothly.

I am bilingual in Korean and English, and I value clear communication in both written and verbal settings. I enjoy translating complex technical needs into practical guidance that customers can understand and use effectively.

I hold a B.S. in Human Biology from the University of California, San Diego, where I graduated Magna Cum Laude with a 3.8 GPA. I also have volunteer experience in a hospital setting, which strengthened my service mindset and attention to detail.

Skills

14 capabilities

Experience

Career history

Engineer & Customer Success Manager Phynite

Owns the full active book of 119 B2B accounts across the US and UK, driving adoption, expansion, and retention. Built an AI-powered CRM and automated workflow system from scratch, led onboarding, translated technical customer needs into internal tools and workflows, partnered cross-functionally, and supported high-volume weekly operations.

Sales Associate Reformation

Became a product expert, educated customers, built a loyal client base using CRM outreach, and generated $350,000 in personal sales with a 95%+ Net Promoter Score.

Medical Assistant Beyond Women's Health

Led planning and coordination of a product open house, drove attendance and conversion into treatment packages and memberships, and served as patient liaison coordinating prescriptions, follow-up, and support.

Research Assistant OB/GYN & Reproductive Sciences, University of California, San Diego

Worked with complex protocols and data, including genotyping across transgenic mouse lines using PCR, gel electrophoresis, and ELISA. Maintained meticulous records and refined processes for accuracy and efficiency.

Hospital Volunteer Torrance Memorial Medical Center

Provided reception support and general information to visitors and families, safely discharged patients to family members, and maintained HIPAA compliance.

Education

Learning history

University of California, San Diego

B.S. in Human Biology

GPA 3.8, Magna Cum Laude

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