Taiwan

Generalist Product Management

Technical Product Management

Growth Product Management

Group Product Management

CJ Chang

Platform PM at LINE Pay

Product analytics

Product strategy

Communication

Collaboration

Problem-solving

Empathy

Organisation skills

Leadership

Product roadmap

Python

ChatGPT

Figma

Framer

Jira

Google Analytics

REST API

Zendesk

PostgreSQL

Achievements
- Optimized new user onboarding and notification flow of Moneybook, increasing
the 7-day retention rate by 10%.
- Sustained monthly growth of 10~22% in active users for Invos app.
- Improved the subscription service for Moneybook, achieving a YoY revenue
growth of 140%.
- Reconstructed team organizational processes and established collaborative
methods for the company's product strategy and product roadmap.

Responsibility
- Led the development and strategy formulation of three key products: Moneybook, Invos, and Invos Data, aligning them with the company's mission and objectives.
- Organized a well-structured product team to align with the company's goals and business model.
- Established product strategy and roadmap discussion with cross-functional teams from scratch.
- Defined key results and metrics for product roadmap and OKR.
- Managed and guided a team of five product managers,  fostering collaboration to deliver high-quality products.

I helped the company expand Whoscall into the Japanese market.

Achievements
- Built up a Japan team from scratch.
- Increased subscription revenue by 150% within a year.
- Enhanced the LTV by 172% through optimizing the subscription CVR and refining pricing strategy.

Responsibility
- Owned and guided the go-to-marketing and product strategy in Japan to align the company's global expansion strategy.
- Defined key results and metrics for product roadmap and OKR.
- Led a 12+ members Japan product development team with cross-functional teams, including Engineering, Marketing, Data, QA, BD, Product Design and country partners. 
- Managed and mentored product team members.

I helped the company with team to achieve break-even and developed new features to support the growth of business models.

Achievements
- Increased YOY revenue by over 40% through accelerating the subscription model and optimizing ad revenue.
- Enhanced app usability, increasing monthly active users by 7.6% and retention by 5%.

Responsibility
- Led the strategy for Whoscall/Call Defender apps, focusing on reaching a break-even point.
- Defined key results and metrics for product roadmap and OKR.
- Directed a cross-functional business unit of over 30 members, including teams from Engineering, Marketing, and Product Design.
- Managed and guided a team of over 5 product members.

I helped Whoscall iOS grow.

Achievements
- Increased ad and subscription revenue by 5 times within half a year.
- Increased active users by 20% by app optimizations.
- Developed and launched Whoscall iOS from scratch, now boasting 5M monthly users.
- Pioneered the use of agile development methodology in the company.

Responsibility
- Developed and implemented the Whoscall iOS app's product roadmap, aligning with the company's strategy.
- Conducted product experiments like A/B testing and validated concepts.
- Led a Whoscall iOS product team of 5+ members, utilizing agile development to deliver products.

Achievements
- Developed 2+ internal Android projects and released them on Google Play.

Responsibility
- In charge of Android development for internal projects at Foxconn Information Ergonomics Center.

Achievements
- Executed 2+ user research projects (Mobile apps).
- Supported other business units and executed 3+ usability testing projects (Smart TW, Mobile Apps) in China.
- Analyzed ergonomics research papers and proposed product design suggestions for the mechanism unit.

Responsibility
- Served as a consulting unit at Foxconn Information Ergonomics Center and supported UX/UI projects for other business units.

Josie

UIUX Designer

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