I am a digital-first executive with over 14 years of experience driving omnichannel platform strategy, e-commerce transformation, and global digital initiatives for leading consumer and regulated brands across FMCG, tech, and D2C sectors. I specialize in building headless digital ecosystems encompassing web, retail, mobile, and CRM, and leading global cross-functional teams to deliver scalable, integrated platforms that bridge technology and business for seamless, data-driven customer experiences. I excel at strategic leadership and project management, guiding complex digital transformations involving CRM, ERP, PIM, martech stacks, and compliance standards such as GDPR. My passion lies in aligning IT and business units to future-proof omnichannel solutions, with proven impacts in ROI optimization, rapid platform launches, and expansive CRM growth in diverse international markets.

Mariusz Filerajs

I am a digital-first executive with over 14 years of experience driving omnichannel platform strategy, e-commerce transformation, and global digital initiatives for leading consumer and regulated brands across FMCG, tech, and D2C sectors. I specialize in building headless digital ecosystems encompassing web, retail, mobile, and CRM, and leading global cross-functional teams to deliver scalable, integrated platforms that bridge technology and business for seamless, data-driven customer experiences. I excel at strategic leadership and project management, guiding complex digital transformations involving CRM, ERP, PIM, martech stacks, and compliance standards such as GDPR. My passion lies in aligning IT and business units to future-proof omnichannel solutions, with proven impacts in ROI optimization, rapid platform launches, and expansive CRM growth in diverse international markets.

Available to hire

I am a digital-first executive with over 14 years of experience driving omnichannel platform strategy, e-commerce transformation, and global digital initiatives for leading consumer and regulated brands across FMCG, tech, and D2C sectors. I specialize in building headless digital ecosystems encompassing web, retail, mobile, and CRM, and leading global cross-functional teams to deliver scalable, integrated platforms that bridge technology and business for seamless, data-driven customer experiences.

I excel at strategic leadership and project management, guiding complex digital transformations involving CRM, ERP, PIM, martech stacks, and compliance standards such as GDPR. My passion lies in aligning IT and business units to future-proof omnichannel solutions, with proven impacts in ROI optimization, rapid platform launches, and expansive CRM growth in diverse international markets.

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Experience Level

Expert
Expert
Expert
Intermediate
Intermediate
Intermediate

Language

Polish
Fluent
English
Fluent
Spanish; Castilian
Beginner

Work Experience

Digital & Omnichannel Transformation Consultant at Self-employed
February 1, 2025 - Present
Designed omnichannel commerce and marketing ecosystems for D2C and technology brands. Delivered scalable e-commerce platforms and headless CMS integrations combining WordPress with PIM and ERP systems. Managed vendor selection, optimised UX, automated CRM, and launched marketplaces such as Amazon and Allegro. Launched two EU e-commerce ecosystems within 90 days, with full ERP and CRM integration. Designed multi-touch conversion funnels achieving over 200% increase in digital ROI.
Digital Transformation Lead, CEE (18 Markets) at Colgate-Palmolive
March 1, 2025 - August 4, 2025
Led omnichannel digital foundation rollout for 18 CEE markets, aligning brand, IT, and legal teams to achieve scalable, GDPR-compliant platforms. Rolled out Adobe AEM, Salesforce Marketing Cloud, SAP, and Azure solutions across the region. Designed global-to-local content and data architecture supporting SEO, CRM growth, and consent management. Coordinated cross-regional teams and vendor ecosystems to ensure platform scalability and compliance. Achieved 100% YoY CRM database growth reaching over 90% of target healthcare professional audience and 500% increase in digital campaign ROI through automation and analytics.
Process & Digital Efficiency Lead at Citibank Europe
February 1, 2021 - August 4, 2025
Implemented digital workflow orchestration across EMEA, streamlining regulatory onboarding processes. Collaborated with IT, operations, and compliance teams to reduce processing times and improve traceability across departments.
Product Systems Manager, Oral Care EU at Procter & Gamble
December 1, 2018 - August 4, 2025
Managed product data and digital asset workflows for EU product launches, aligning R&D, IT, and regulatory teams. Achieved a 75% year-over-year reduction in incidents within the artwork process.
Project Manager / Key Account Manager at Audioteka
January 1, 2015 - August 4, 2025
Led CRM, mobile commerce, and digital growth initiatives achieving 200% YoY growth for three consecutive years. Built and trained dedicated teams, automating email user journeys across five markets which increased sales from email marketing by over 500% YoY.

Education

BA Political Science at University of Warsaw
January 1, 2009 - January 1, 2015

Qualifications

Prince2 Practitioner
January 11, 2030 - August 4, 2025
Agile PM
January 11, 2030 - August 4, 2025

Industry Experience

Consumer Goods, Financial Services, Software & Internet, Retail, Professional Services