Summary
Overview
Work History
Education
Skills
Timeline
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Changhwan Lee

Nam-gu,26

Summary

Exceptional skills in data analysis and insight extraction allow effective customer support and sales optimization. Accurate understanding of customer needs and operational support are strengths, fostered through executive interactions and diverse meetings. Experience spans product development, operations, and sales aligned with customer demands. As a team leader, consistent goal achievement is ensured through adept member management. Proficiently driving team efficiency includes profit calculation across all tasks.

Overview

7
7
years of professional experience

Work History

Customer Success Manager

Cloudkitchens, CSS
04.2023 - Current

1. Achieved annual revenue growth of +7.5% (Total ₩54 billion) and Upselling revenue of ₩20.4 billion.

  • Clients: Cheogajip Yangnyeom Chicken (1200+ locs), Yeopgi Tteokbokki (540+ locs), Baeddeok (540+ locs).
  • Conducted Account Consulting including concentrated marketing consulting for Baemin, Baemin1, and Coupang Eats in 2023.
  • Supported sales prediction for popular menu items during sports events & holidays, along with competitive ad analysis.
  • Identified densely populated areas with high customer frequency and promoted advertisements.
  • Monitored and supported problem franchise stores.
  • Organized webinars on the overall franchise program and distributed customized user manuals, establishing support lines for headquarters.

2. Segmented and managed customer grades based on ROI, deploying 4 CSAs and 2 B2B Support Specialists for 30,000 customers, achieving monthly Upselling revenue exceeding ₩30 million.

3. Led the development and operation of new products, generating monthly sales of ₩25 million.

  • Managed Smart Flag service and Franchise operations.

4. Developed and implemented a BPO Churn save Process.

  • Achieved a Churn save rate of +21% (vs +15%) and a Service Churn save rate of +10% (vs +3%).

5. Operation

  • Managed the operation of OB & Billing teams, achieving team KPIs with a success rate exceeding 95%.
  • Unified operational processes for M&A companies and managed personnel.

Customer Success Lead & Analyst

Cloudkitchens, CSS
05.2021 - 04.2023

1. Achieved +7.3% annual revenue growth (totaling ₩9.7 billion) and Upselling revenue of ₩36 million.

  • Clients: Sunsal Mangong (200+), Huraideu Chamjalhaneunjib (200+), Ggubra Ggocki (200+).
  • Provided account consulting, including focused marketing consulting for Baemin, Baemin1, and Yogiyo in 2021.
  • Supported sales prediction for popular menu items during the Qatar World Cup & Beijing Winter Olympics, along with competitive ad analysis.
  • Managed densely populated areas with frequent chicken orders and provided advertising guidance.
  • Conducted webinars on the overall franchise program and distributed customized user manuals, establishing support lines for headquarters.


2. Segmented and managed customer grades based on ROI.

  • Deployed 3 CSAs and 1 B2B Support Specialist for 23,000 customers.


3. Led product development tailored to customer needs, supported the development of store operation tools, delivery completion features, and implemented advanced analysis reports.


4. Developed and implemented a Churn save Process.

  • Achieved a Churn save rate of +15% (vs 2%).


5. Executed major business partnerships generating an additional annual revenue of ₩20 million with partners such as Yogiyo (GS Retail), Cesco, Muchon, LG U+, and Ttaenggyeoyo (Shinhan Bank).

Analyst & Digital Marketing Partnership Manager

Lotte Department Store
09.2017 - 08.2020

1. Achieved a total revenue of ₩26.3 billion through digital partnerships and online marketing.

  • F&B revenue totaled ₩7.8 billion.

- Conducted online behavioral data analysis and targeted expected customers through the department store app, resulting in a +17.4% increase in visitation and +12% increase in purchase rates compared to the previous year.

- Facilitated online pickup digital partnerships (Last Order & Baemin) during the initial stages of COVID-19, resulting in a +26% monthly sales increase per brand and attracting an additional +50% new customers.

  • Sports revenue totaled ₩13 billion.

- Conducted insight profiling for the golf mainstream and collaborations with X-Golf (golf course reservation platform) to promote VIP membership, resulting in increased customer acquisition and revenue.

- Collaborated with Lotte affiliates (cinemas, Lotte Mart, Lotte Hotel) to send LMMS targeting major customers, achieving an average +26% increase in sales and +20% increase in purchase rates.

  • Cosmetic revenue totaled ₩5.5 billion.

- Conducted targeted marketing for customers aged 20-30, collaborated with Lotte affiliates (cinemas) to send LMMS targeting preferred movie ticket buyers, and executed VIP pre-stage membership promotions, resulting in a +15% VIP conversion rate.


2. Digital Partnership and Marketing Overview (Total ₩11.9 Billion)

  • Achieved 20% of total monthly sales through Last Order & Baemin partnerships.
  • Induced 65% of Jurassic Park customers on 11th Street to make purchases in department stores.
  • Collaborated with X-Golf.

Intern

Lotte Department Store
07.2017 - 08.2017

1.Analyzed Customer Consumption behavior

2.Sales management

Education

No Degree - Data Analysis, Platform Developer Training Session

Megastudy Academy
Seoul
02.2021

Business Administration

Chungnam National University
Daejeon
02.2018

Skills

  • Python
  • SQL
  • Salesforce
  • Google Looker
  • GA
  • Microsoft 365
  • Customer Account Management
  • Client Relations
  • Strategic Planning
  • Sales management
  • CRM Software
  • Negotiation
  • Project Planning
  • Revenue Forecasting

Timeline

Customer Success Manager

Cloudkitchens, CSS
04.2023 - Current

Customer Success Lead & Analyst

Cloudkitchens, CSS
05.2021 - 04.2023

Analyst & Digital Marketing Partnership Manager

Lotte Department Store
09.2017 - 08.2020

Intern

Lotte Department Store
07.2017 - 08.2017

No Degree - Data Analysis, Platform Developer Training Session

Megastudy Academy

Business Administration

Chungnam National University
Changhwan Lee