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I am a performance marketing consultant and founder of Coby Agency, helping European SMEs grow through data-backed advertising, robust tracking, and practical marketing automation. My expertise spans Google Ads, Meta Ads, GTM, GA4, Looker Studio, BigQuery, SEO, and n8n, allowing me to connect strategy with the technical foundations needed for reliable decision-making. I have delivered strong results across lead generation, e-commerce, hospitality, B2B, and non-profit marketing, including 1,500% ROAS and significant improvements in lead volume. I enjoy combining analytical thinking with clear communication and creative problem-solving. Alongside consulting, I teach Web Analytics and AI for Marketers at Amsterdam Data Academy, helping marketing professionals build confidence with modern tools and measurement approaches. I am customer-focused, tracking-first, and comfortable working with clients, agencies, developers, and cross-functional stakeholders to turn complex marketing challenges into practical growth opportunities.…I am a performance marketing consultant and founder of Coby Agency, helping European SMEs grow through data-backed advertising, robust tracking, and practical marketing automation. My expertise spans Google Ads, Meta Ads, GTM, GA4, Looker Studio, BigQuery, SEO, and n8n, allowing me to connect strategy with the technical foundations needed for reliable decision-making. I have delivered strong results across lead generation, e-commerce, hospitality, B2B, and non-profit marketing, including 1,500% ROAS and significant improvements in lead volume. I enjoy combining analytical thinking with clear communication and creative problem-solving. Alongside consulting, I teach Web Analytics and AI for Marketers at Amsterdam Data Academy, helping marketing professionals build confidence with modern tools and measurement approaches. I am customer-focused, tracking-first, and comfortable working with clients, agencies, developers, and cross-functional stakeholders to turn complex marketing challenges into practical growth opportunities.

Marloes Slotboom

Digital Marketer, PPC Manager, Project Manager, +5

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I am a performance marketing consultant and founder of Coby Agency, helping European SMEs grow through data-backed advertising, robust tracking, and practical marketing automation. My expertise spans Google Ads, Meta Ads, GTM, GA4, Looker Studio, BigQuery, SEO, and n8n, allowing me to connect strategy with the technical foundations needed for reliable decision-making. I have delivered strong results across lead generation, e-commerce, hospitality, B2B, and non-profit marketing, including 1,500% ROAS and significant improvements in lead volume. I enjoy combining analytical thinking with clear communication and creative problem-solving. Alongside consulting, I teach Web Analytics and AI for Marketers at Amsterdam Data Academy, helping marketing professionals build confidence with modern tools and measurement approaches. I am customer-focused, tracking-first, and comfortable working with clients, agencies, developers, and cross-functional stakeholders to turn complex marketing challenges into practical growth opportunities.…I am a performance marketing consultant and founder of Coby Agency, helping European SMEs grow through data-backed advertising, robust tracking, and practical marketing automation. My expertise spans Google Ads, Meta Ads, GTM, GA4, Looker Studio, BigQuery, SEO, and n8n, allowing me to connect strategy with the technical foundations needed for reliable decision-making. I have delivered strong results across lead generation, e-commerce, hospitality, B2B, and non-profit marketing, including 1,500% ROAS and significant improvements in lead volume. I enjoy combining analytical thinking with clear communication and creative problem-solving. Alongside consulting, I teach Web Analytics and AI for Marketers at Amsterdam Data Academy, helping marketing professionals build confidence with modern tools and measurement approaches. I am customer-focused, tracking-first, and comfortable working with clients, agencies, developers, and cross-functional stakeholders to turn complex marketing challenges into practical growth opportunities.

Available to hire

I am a performance marketing consultant and founder of Coby Agency, helping European SMEs grow through data-backed advertising, robust tracking, and practical marketing automation. My expertise spans Google Ads, Meta Ads, GTM, GA4, Looker Studio, BigQuery, SEO, and n8n, allowing me to connect strategy with the technical foundations needed for reliable decision-making. I have delivered strong results across lead generation, e-commerce, hospitality, B2B, and non-profit marketing, including 1,500% ROAS and significant improvements in lead volume.

I enjoy combining analytical thinking with clear communication and creative problem-solving. Alongside consulting, I teach Web Analytics and AI for Marketers at Amsterdam Data Academy, helping marketing professionals build confidence with modern tools and measurement approaches. I am customer-focused, tracking-first, and comfortable working with clients, agencies, developers, and cross-functional stakeholders to turn complex marketing challenges into practical growth opportunities.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Dutch

Fluent

English

Fluent

Spanish; Castilian

Beginner

Work Experience

Founder at Coby Agency

September 1, 2025 - Present

Founded a tracking-first performance marketing agency serving European SMEs. Deliver Google Ads and Meta Ads strategy, GTM and GA4 implementations, Looker Studio dashboards, BigQuery reporting pipelines, and n8n automation workflows connecting advertising platforms, CRMs, and reporting systems. Scaled monthly leads for OneMeeting Group / De Eenhoorn from approximately two to four or five per week and delivered 1,500% ROAS across paid channels, with the strategy rolled out across six venue locations.

Teacher & Course Developer at Amsterdam Data Academy

February 1, 2024 - Present

Developed and teach professional courses in Web Analytics and AI for Marketers. Cover GA4, GTM, attribution modelling, and practical AI tools for marketing teams. Deliver training to marketing professionals through group cohorts and private sessions, and delivered a bespoke n8n marketing automation workshop for Dormio.

Data Science Associate Manager at Risk Factor

October 1, 2023 - April 1, 2025

Led Data Science business development and helped shape the company’s Data Science and AI strategy alongside a team of developers. Managed client communications and oversaw the strategic development of AI and data science product offerings.

Founder & Digital Marketing Consultant at Locktree Digital Consultancy

January 1, 2021 - September 1, 2025

Ran an independent consultancy providing paid media management, tracking audits, and digital marketing strategy to clients across agencies, e-commerce, IT, and B2B. Managed Google Ads and Meta Ads portfolios simultaneously, combining hands-on campaign management with strategic advisory services.

Agency Account Strategist — Google Ads at Google

September 1, 2018 - December 1, 2020

Promoted from Campaign Specialist to Agency Account Strategist within 18 months, managing a portfolio of leading marketing agencies across the Benelux and Nordics. Designed strategic Google Ads solutions that consistently exceeded quarterly revenue targets by 130–150%. Improved team sales pitch win rates by 9% quarter over quarter through coaching and strategic input, and delivered campaign audits, audience strategy, and performance optimisation at scale.

E-commerce Manager Benelux at The Body Shop

January 1, 2016 - December 1, 2016

Managed Benelux website operations, stakeholder relationships, and end-to-end e-commerce strategy. Led a global website migration to a Hybris platform, coordinating IT testing, Jira project management, and cross-functional stakeholder alignment. Delivered a Black Friday campaign achieving 142% of the revenue target and 200% year-over-year growth.

SEA Specialist at Fosby

April 1, 2014 - September 1, 2015

Managed an agency-side SEA and SEO client portfolio, delivering paid search strategy, campaign management, and performance optimisation for a range of B2B and B2C clients.

Education

MSc Business Information Management at Erasmus University

September 1, 2021 - June 30, 2022

BA Commercial Economics at University of Applied Sciences Utrecht

September 1, 2012 - June 24, 2016

MSc Business Information Management at Erasmus University Rotterdam

January 1, 2021 - January 1, 2022

BA Commercial Economics at University of Applied Sciences Utrecht

January 1, 2012 - January 1, 2016

Qualifications

Add your qualifications or awards here.

Industry Experience

Consumer Goods, Financial Services, Professional Services, Retail, Software & Internet, Travel & Hospitality, Education, Manufacturing, Healthcare, Non-Profit Organization, Computers & Electronics