Natalia Duarte
Barcelona
Summary
Strategic commercial leader with 8+ years in AdTech, partnering with agencies and brands to influence investment decisions and drive sustainable revenue growth through programmatic advertising. Brings a holistic understanding of the programmatic ecosystem (from auction dynamics and optimization to measurement and performance storytelling) to guide stakeholders toward smarter, long-term investment strategies. Known as a trusted advisor who translates complexity into clear, commercially sound recommendations. Based in Barcelona with EU residency (no sponsorship needed).
Overview
8
8
years of professional experience
1
1
Certification
Work History
Account Manager
StackAdapt
06.2025 - Current
- Managed client relationships to ensure satisfaction and retention.
- Act as a trusted advisor to brands and agencies, helping them navigate the full ecosystem of programmatic advertising (Display, Native, Video, CTV, Audio, DOOH, In-game, email marketing and orchestration flows).
- Build and sustain long-term partnership by translating client objectives into tailored media strategies
- Developed strategies to increase revenue from existing accounts.
- Lead campaign strategy, execution, and optimization across multiple channels, ensuring seamless delivery and superior performance.
- Analyzed client data to identify trends and inform strategy adjustments.
- Identify growth opportunities (upsell/cross-sell) by linking learnings to incremental budget recommendations and expansion into new channels/audiences.
- Empower clients to unlock the full potential of the StackAdapt platform, combining technology, data, creativity, and strategy to drive success.
- Collaborated with sales team to determine best ways to drive market share.
Advertiser Success Lead
iion
02.2024 - 06.2025
- Oversee and manage the full lifecycle of programmatic campaigns across the gaming landscape
- Lead strategic account management for the EU, MENA and LATAM regions, ensuing successful campaign execution and support business growth.
- Develop and maintain strong partnerships with clients and agencies.
- Provided excellent service and attention to customers when face-to-face or through online conversations.
- Collaborate with Ad Ops team to provide expert advice and optimize campaigns. Identify opportunities to enhance performance.
- Monitor campaign performance, analyze data troubleshoot issues.
- Lead client onboarding process, manage communication and customize onboarding materials.
Customer Success Manager
CRITEO
04.2022 - 05.2023
- Owned a large book of business of 300+ SMB advertisers, managing performance, retention and growth across a high-volume programmatic portfolio.
- Facilitated onboarding sessions for new clients on platform features.
- Acted as a programmatic consultant, educating advertisers on the programmatic ecosystem (auction dynamics, bidding, targeting and measurement) to improve campaign understanding and investment quality.
- Designed and led campaign optimization strategies, including audience, bidding, pacing and creative testing, to improve efficiency and performance outcomes.
- Developed training materials to enhance user engagement and product knowledge.
- Implemented test-and-learn frameworks, diagnosing performance issues and scaling successful setups to drive incremental spend.
- Delivered consultative reporting and performance storytelling, translating complex programmatic results into clear insights and actionable recommendations.
- Drove account growth and incremental investment by building advertiser confidence through education, transparency and consistent performance improvements.
- Partnered closely with Sales to support renewals, upsell and expansion opportunities across the portfolio.
- Analyzed customer feedback to identify areas for service improvement.
- Mentored and supported three interns, sharing programmatic best practices, optimization frameworks and account management skills.
Account Supervisor
WUNDERMAN THOMPSON (WPP Group)
06.2021 - 04.2022
- Led the account management of Google’s brand and reputation campaigns across LATAM, serving as the main point of contact for a complex, multi-market enterprise client.
- Acted as a strategic bridge between client and internal teams, ensuring alignment between business objectives, communication strategy and execution across markets.
- Coordinated cross-functional teams (media, strategy, creative and operations), managing timelines, priorities and deliverables in a high-stakes environment.
- Led client communications and status meetings, translating performance, risks and opportunities into clear narratives and actionable recommendations.
- Ensured consistency of messaging, brand safety and reputational standards across all markets, adapting global guidelines to local realities.
Workflow Manager
COGNIZANT (GOOGLE)
01.2020 - 06.2021
- Conducted analysis of salesforce case distribution to identify trends and opportunities.
- Streamlined workflow processes, enhancing team efficiency and productivity.
- Facilitated communication with Google Ads account managers in three languages.
- Generated work orders, closely monitoring team productivity metrics.
- Created dashboards to track KPIs and drive process improvements.
- Implemented strategies to reduce project timeline bottlenecks.
- Collaborated with leadership team on recruitment of new team member.
- Prepared business reviews for client presentations, showcasing performance and insights.
Quality Analyst
COGNIZANT (GOOGLE)
08.2019 - 12.2019
- Corrected cases in Portuguese and Spanish alongside quality team.
- Translated business cases to enhance clarity and understanding.
- Developed training programs on new processes to boost team efficiency.
- Analyzed agent performance, delivering feedback and training for quality improvement.
- Collaborated with leadership team on recruitment of new team member.
- Prepared business reviews for client presentations to ensure engagement.
Search Ad Copywriting & Optimization
COGNIZANT (GOOGLE)
05.2018 - 08.2019
- Developed high-quality texts and images in Spanish and Portuguese on Google Ads Platform for High Value Accounts.
- Conducted content and account structure analysis to enhance creative relevance.
- Executed case corrections and translations in Spanish and Portuguese.
- Created training materials on new ad creation processes.
- Assisted process management team to streamline operations.
Education
International Relations and Political Science -
UNINTER
01.2025
Team Leader Preparation and Experience -
AIESEC - MacKenzie
08.2019
Outgoing Global Volunteer -
AIESEC - MacKenzie
01.2019
Nursing Assistant -
COLEGIO FELIX
01.2017
Skills
- Client management and consultation
- Strategic project coordination
- Process organization and optimization
- Budget control, analysis, and allocation
- Revenue growth identification
- Performance metrics tracking
- Report generation and presentation
- Team productivity monitoring
- Business review preparation
- Negotiation and communication skills
- Account growth strategies
- Programmatic advertising knowledge
- Campaign strategy development
- Partnership building and collaboration
Certification
• Excel Intermediate-Advanced
• Lean Six Sigma White Belt
• Lean Six Sigma Yellow Belt
• Lean Six Sigma Green Belt
• Google Ads Display & Search
• COREN (811830)
• Lean Six Sigma White Belt
• Lean Six Sigma Yellow Belt
• Lean Six Sigma Green Belt
• Google Ads Display & Search
• COREN (811830)
Languages
English
Proficient (C2)
C2
Spanish
Proficient (C2)
C2
Portuguese
Native
Native
Timeline
Account Manager
StackAdapt
06.2025 - Current
Advertiser Success Lead
iion
02.2024 - 06.2025
Customer Success Manager
CRITEO
04.2022 - 05.2023
Account Supervisor
WUNDERMAN THOMPSON (WPP Group)
06.2021 - 04.2022
Workflow Manager
COGNIZANT (GOOGLE)
01.2020 - 06.2021
Quality Analyst
COGNIZANT (GOOGLE)
08.2019 - 12.2019
Search Ad Copywriting & Optimization
COGNIZANT (GOOGLE)
05.2018 - 08.2019
International Relations and Political Science -
UNINTER
Team Leader Preparation and Experience -
AIESEC - MacKenzie
Outgoing Global Volunteer -
AIESEC - MacKenzie
Nursing Assistant -
COLEGIO FELIX