Marcos Herrera
Marcos Herrera

PPC & Data Specialist

Open to offers · Member since 16 Aug 2026
Message
Location
Nicaragua
Desired salary
Unspecified
Work preference
Remote Only / Freelance
Experience level
Senior

About

Professional summary

I am a data-driven Paid Media and Web Analytics Specialist with more than 10 years of experience designing, executing, and optimizing PPC campaigns. I specialize in Google Ads, Meta Ads, and Microsoft Ads for e-commerce and lead-generation businesses.

I connect digital marketing performance with reliable technical measurement. I build tracking strategies using Google Tag Manager, GA4, custom JavaScript, dataLayers, and offline conversion tracking to ensure campaign decisions are based on accurate data.

I have managed high-budget paid media programs across industries including healthcare, retail, food and beverages, education, travel, real estate, fashion, beauty, and health. My work focuses on improving ROAS, reducing CPA, lowering CPC, and increasing conversion rates.

I am experienced in diagnosing tracking issues, post-click checkout friction, attribution discrepancies, and gaps between analytics platforms and CRM or backend systems. I work closely with development, design, and paid search teams to standardize implementations and improve reporting integrity.

I have supported clients across the United States, Europe, and Latin America, including e-commerce clients in Spain and Mexico. I am comfortable working remotely with cross-functional teams and managing both strategic and hands-on campaign optimization.

I also have experience with website platforms, CRM tools, marketing automation, and collaboration software, allowing me to support the full paid media and analytics ecosystem from campaign setup through measurement and reporting.

Skills

20 capabilities

Tech stack & tools

Working toolkit

Collaboration

Communications

Development

Languages & Frameworks

Experience

Career history

Paid Media & Web Analytics Consultant Freelance

I manage PPC accounts for clients in healthcare, food and beverages, retail, and education, expanding qualified audiences to reduce average CPC and increase lower-funnel engagement. I also review post-click checkout experiences for international clients and document optimization opportunities in payment gateways and checkout flows.

I scaled promotional e-commerce campaign ROAS to 5.0x for clients in Spain and Mexico through agile bidding strategies across Google and Meta Ads. I also built an end-to-end measurement framework for Sorteos Tec using GTM, structured dataLayers, GA4, and offline conversion tracking, reducing discrepancies between GA4 and CRM or backend reporting.

PPC & Data Specialist Amy Myers MD

I developed and managed paid media campaigns on Meta Ads while collaborating with cross-channel paid search teams to maximize ecosystem ROAS and achieve acquisition targets.

I audited and remediated faulty e-commerce tracking implementations across GA4 and Google Tag Manager. This restored data integrity for key purchase events and improved marketing attribution accuracy.

Analytics Specialist EPA Digital (Agency)

I engineered and deployed end-to-end web measurement and advanced e-commerce tracking architectures for enterprise websites across multiple industries. My work ensured data integrity across analytics platforms and paid media channels.

I programmed custom tracking solutions using Google Tag Manager, JavaScript, and jQuery for dynamic remarketing, event tracking, advanced tagging, and GA4 implementation. I partnered with development and design teams to standardize dataLayer schemas, speed up pixel deployments, and eliminate reporting discrepancies.

PPC Specialist EPA Digital (Agency)

I developed campaign strategies, executed campaigns, and performed daily optimization for high-budget PPC accounts across Google Ads, Meta Ads, Microsoft Ads, Pinterest Ads, X Ads, and TikTok Ads. I supported e-commerce clients in retail, fashion, travel, hotels, food and beverages, beauty, and health, as well as lead-generation clients in real estate and education.

I optimized key performance indicators including ROAS, CPA, and conversion rate for enterprise client portfolios. I conducted ongoing A/B testing of creatives, audience segments, and bidding approaches to improve ad relevance and scale digital acquisition.

Education

Learning history
No education data available.

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