Bernie Chang

Experience

• 

  Memebox Corporation

  Jul 2019 - Jan 2020

  Finance Intern

  - Worked closely with finance team lead, assisting in updating daily performance, issuing invoices, and recording vouchers- Accelerated the process of sorting financial data by utilizing Excel VBA and built a financial database for the finance manager

• 

  Taiwan Startup Stadium 台灣新創競技場

  Jul 2020 - Feb 2021

  Data Intern

  - Analyzed social media impact and website performance by using Google Analytics and resulted in a website redesign, which reduced the website homepage bounce rate for 5% - Conducted the membership semi-annual update analysis by using Excel and used English to present suggested strategies to improve effectiveness and efficiency in front of the management team- Built a new database for the startups members management by using Airtable and solved data management problems by redesigning the application process, saving 30% of the time for the management team- Designed a dashboard of startup member fundraising profile and build a database by using Google Sheet, reducing the time that the management team spend on searching for membership fundraising data Show less

• 

  National Police Agency

  Sept 2021 - Feb 2022

  Substitute Services Draftees
• 

  Appier

  Mar 2022 - now

  From September 2024 to February 2025:- Led a team of four, managing user acquisition campaigns in the US region, generating over $1.35 million in monthly revenue.- Collaborated with product managers and AI scientists to address complex campaign challenges, such as reducing fraud rates and enhancing key performance metrics, increasing client satisfaction by 30%.From October 2023 to September 2024:- Led a team of four, driving user acquisition campaigns in the Greater China region, contributing over $1.2 million in monthly revenue.- Worked with AI scientists and the product team to enhance overall campaign performance, successfully reducing the churn rate by 50%. Show less - Managed and optimized 100+ RTB and Facebook ad campaigns across the US and EMEA regions, driving over $7K in daily revenue.- Specialized in app user acquisition campaigns for gaming clients, successfully helping major titles in the EMEA region attract high-value users while consistently meeting ROAS targets.- Enhanced campaign performance by analyzing large datasets and implementing best practices to improve ROAS, CPA, and retention rates.- Collaborated with sales managers, account managers, and product managers on various optimization projects.- Proficient in utilizing multiple dashboards to analyze campaign data and performance, ensuring client KPIs are met.- Worked closely with team members to refine and improve the onboarding process for new hires. Show less

  • Assistant Manager of Campaign Management, Great China Region & US

    Oct 2023 - now

  • Senior Campaign Analyst, Large Customer Team

    Apr 2023 - Sept 2023

  • Campaign Analyst, EMEA & US

    Mar 2022 - Mar 2023