Maciej Wrzeszcz

Digital Marketing Expert | Helping Brands Grow with Data-Driven Strategies

Frankfurt, Hesse, Germany

About

Experience

  • Procter & Gamble (Full-time · 2 yrs 5 mos)
    • Media Manager
      Jan 2026 - Present · 6 mos

    • Digital Marketing Expert
      Feb 2024 - Dec 2025 · 1 yr 11 mos

  • Performance Media (Warszawa, Woj. Mazowieckie, Polska)
    • Digital Media Analyst
      Oct 2022 - Jan 2024 · 1 yr 4 mos

      Key Responsibilities: ✔ Developing digital campaign cost estimates (Search, Display, Video, Audio) tailored to Clients' business and media objectives. Estimating performance metrics (CPM, CPC, CPA, ROAS) and other KPIs. Recommending optimal budget allocation. ✔ Creating comprehensive media proposals and buying strategies for local and international client tenders. Analyzing brief requirements and tailoring proposals to meet specific client KPIs ✔ Collaborating with advertising platforms and publishers to secure the best media buying conditions and additional benefits. ✔ Evaluating market trends, competition, and media buying costs across various online channels. Using historical data and planning tools to forecast costs and campaign effectiveness. ✔Monitoring actual campaign costs versus forecasts, analyzing discrepancies, and implementing corrective actions to maximize budget efficiency. ✔ Initiating tests of innovative formats and tactics, such as Programmatic Buying, CTV, and Audio, and incorporating them into client strategies. Key Results: ✅ Development of a benchmark table for selected industries, platforms, and campaign types – simplifying performance analysis and pricing, leading to more accurate estimates and reducing the pricing process time by 70%. ✅ Implementation of a naming convention and a standardized reporting template – improving result comparison and aligning reporting with Agency/Client KPIs. ✅ Optimized programmatic campaigns performance by adjusting the purchasing method, improving KPIs (Viewability, Unique Users, Clicks) by 20%-40%. ✅ Developed pricing templates and specifications documents – significantly streamlining processes. ✅ Developed media strategies contributed to winning tenders and acquiring Clients with 7-figure budgets. ✅ Negotiations with vendors improved the attractiveness of offered solutions and increased advertising budgets in selected channels while simultaneously enhancing key KPIs

    • Senior SEM & Programmatic Specialist
      Oct 2021 - Jan 2024 · 2 yrs 4 mos

      Key Responsibilities: ✔ Creating and managing Search, Display, Video, and Audio campaigns in Google Ads, DV360, Adform, and other DSPs. Configuring audience segments, tracking setups, and advanced bidding strategies. Implementing and managing tracking and ad-serving tags in CM360. ✔ Continuous campaign performance monitoring and optimization based on KPIs and data (ROAS, CPA, CTR, CPC, VTR, CR, CPUU). Automation of campaign management processes. ✔ Reporting results to business teams and clients. Analyzing campaign effectiveness and recommending optimization actions. ✔ Developing experimentation plans and testing new ad formats, campaign types, creatives, and bidding strategies. ✔ Identifying and implementing solutions that drive business value for both clients and the agency. ✔ Auditing internal and external advertising accounts. ✔ Managing 8-figure budgets. ✔ Coordination of 3- and 5-member teams. ✔ Key Platforms: Google Ads, Display & Video 360, Campaign Manager 360, Adform, Google Analytics. ✔ Key Clients: Lidl, De'Longhi, RTV Euro AGD, Miele. Key Results: ✅ Optimization of the creative development process – reducing the number of reformats by 50% by focusing on the most effective and popular formats, while expanding the number of creative variations tailored to specific target groups and products. Increased CTR by 30%. ✅ Conducting workshops and internal trainings increased the level of knowledge of SEM & Programmatic tools and strategies, which translated into better campaign results and greater efficiency of the team.

    • SEM & Programmatic Specialist
      Sep 2020 - Sep 2021 · 1 yr 1 mo