Marianthi Polydorou

AI Adoption Consultant - Digital Transformation & AI Enablement

Marianthi Polydorou

Professional Profile

I help organisations close the gap between AI ambition and operational results. With 15+ years of large-scale digital and SaaS transformation delivery across Switzerland, EMEA and the US — and hands-on practice in agentic AI system design, GenAI prototyping and team enablement — I bring both the strategic clarity and the practical capability to make AI adoption work in real organisations. MIT-certified in Applied Generative AI for Digital Transformation · PSPO I · German C1 · English C2

Basel, CH

Worked At

Work Experience

AI Adoption Consultant

Independent

2025 - Present

Remote

AI use case identification, agentic system design, GenAI prototyping and team enablement. Built production multi-agent systems using the Claude API. AI enablement workshop for senior professionals in Switzerland — rated 4.8/5.

AI Adoption Consultant

Independent

2025 - Present

Remote

AI use case identification, agentic system design, GenAI prototyping and team enablement. Built production multi-agent systems using the Claude API. AI enablement workshop for senior professionals in Switzerland — rated 4.8/5.

General Member, Volunteer

Gen AI Global

2025 - Present

Remote

Gen AI Global Professional Network is an MIT Professional Education–backed community that unites AI business leaders and technologists, with the mission to democratize cutting edge knowledge, accelerate ethical adoption and cultivate a trusted global talent pool to lead the next wave of AI driven transformation.

General Member, Volunteer

Gen AI Global

2025 - Present

Remote

Gen AI Global Professional Network is an MIT Professional Education–backed community that unites AI business leaders and technologists, with the mission to democratize cutting edge knowledge, accelerate ethical adoption and cultivate a trusted global talent pool to lead the next wave of AI driven transformation.

Senior Digital Transformation Manager

Sunrise GmbH

2022 - 2024

Zurich, CH

Governance & Transformation: At Sunrise B2C, I built an analytics-driven governance framework that brought full visibility into a multi-million CHF digital portfolio. I co-created B2C’s PMO governance and unified roadmap, ensuring OKRs delivered real business results. By streamlining operations, I halved Tribe scaling timelines, cut overspending by 20% and boosted productivity by 10%, turning strategy into execution.

Senior Digital Transformation Manager

Sunrise GmbH

2022 - 2024

Zurich, CH

Governance & Transformation: At Sunrise B2C, I built an analytics-driven governance framework that brought full visibility into a multi-million CHF digital portfolio. I co-created B2C’s PMO governance and unified roadmap, ensuring OKRs delivered real business results. By streamlining operations, I halved Tribe scaling timelines, cut overspending by 20% and boosted productivity by 10%, turning strategy into execution.

Senior Project Manager, B2B

Sunrise GmbH

2021 - 2022

Zurich, CH

SaaS & Managed Services: I planned and launched SaaS and Managed Services, overseeing budgets and resources to maximize ROI. By standardizing PM practices and aligning stakeholders through Steering Committees, I halved delivery timelines. I automated B2B portal troubleshooting, cutting Mean Time to Resolve by 20%.

Senior Project Manager, B2B

Sunrise GmbH

2021 - 2022

Zurich, CH

SaaS & Managed Services: I planned and launched SaaS and Managed Services, overseeing budgets and resources to maximize ROI. By standardizing PM practices and aligning stakeholders through Steering Committees, I halved delivery timelines. I automated B2B portal troubleshooting, cutting Mean Time to Resolve by 20%.

Senior SaaS Product Manager, B2B

Vodafone

2014 - 2018

Athens, GR

ICT Transformation: At Vodafone, I launched the 1st SaaS portfolio that repositioned the company as a full ICT provider. By building a robust partner ecosystem, I cut costs by 70% and accelerated time-to-market by 60%, earning recognition as Best Product Manager. I led cross-functional teams to deliver ICT products, optimized digital self-service platforms and streamlined partner integrations. From roadmap design to UATs and go-to-market strategies, I drove end-to-end product delivery while additionally strengthening Microsoft 365 and Google suite partnerships and sales growth.

Senior SaaS Product Manager, B2B

Vodafone

2014 - 2018

Athens, GR

ICT Transformation: At Vodafone, I launched the 1st SaaS portfolio that repositioned the company as a full ICT provider. By building a robust partner ecosystem, I cut costs by 70% and accelerated time-to-market by 60%, earning recognition as Best Product Manager. I led cross-functional teams to deliver ICT products, optimized digital self-service platforms and streamlined partner integrations. From roadmap design to UATs and go-to-market strategies, I drove end-to-end product delivery while additionally strengthening Microsoft 365 and Google suite partnerships and sales growth.

Cloud Consultant

Freelancer at the Greek National Institute of Science & Technology

2012 - 2014

Athens, GR

Cloud Consulting: As a freelance consultant, I advised on IaaS, PaaS, and High-Performance Computing for EU-funded projects, helping research institutions advance cloud adoption and scalability.

Cloud Consultant

Freelancer

2012 - 2014

Athens, GR

Cloud Consulting: As a freelance consultant, I advised on IaaS, PaaS, and High-Performance Computing for EU-funded projects, helping research institutions advance cloud adoption and scalability.

Cloud Consultant

Freelancer

2012 - 2014

Athens, GR

Cloud Consulting: As a freelance consultant, I advised on IaaS, PaaS, and High-Performance Computing for EU-funded projects, helping research institutions advance cloud adoption and scalability.

Program Manager, Mobile Marketing

Velti

2010 - 2012

Athens, GR

Mobile Marketing PMO Leadership: I managed the PMO function at Velti, delivering 100+ mobile marketing campaigns, websites and apps across industries and verticals. I guided customers in building digital solutions while mentoring and scaling the Project Management team to ensure operational excellence.

Program Manager, Mobile Marketing

Velti

2010 - 2012

Athens, GR

Mobile Marketing PMO Leadership: I managed the PMO function at Velti, delivering 100+ mobile marketing campaigns, websites, and apps across industries and verticals. I guided customers in building digital solutions while mentoring and scaling the Project Management team to ensure operational excellence.

Program Manager, Mobile Marketing

Velti

2010 - 2012

Athens, GR

Mobile Marketing PMO Leadership: I managed the PMO function at Velti, delivering 100+ mobile marketing campaigns, websites and apps across industries and verticals. I guided customers in building digital solutions while mentoring and scaling the Project Management team to ensure operational excellence.

Senior Project & Connectivity Manager, Mobile Marketing

Velti

2008 - 2010

Athens, GR

Revenue Growth: Leading onshore and offshore development and UI/UX teams, I doubled campaign revenues by leveraging proprietary mobile marketing platforms and global connectivity partnerships. I co-created project specs, scope and plans while driving A/B testing, wireframes and budget allocation.

Senior Project & Connectivity Manager, Mobile Marketing

Velti

2008 - 2010

Athens, GR

Revenue Growth: Leading onshore and offshore development and UI/UX teams, I doubled campaign revenues by leveraging proprietary mobile marketing platforms and global connectivity partnerships. I co-created project specs, scope and plans while driving A/B testing, wireframes and budget allocation.

Product Developer & Project Manager, B2B

OTEnet (OTE, T-Group)

2003 - 2008

Athens, GR

B2B Services: I led cross-functional teams to deliver corporate IP and network connectivity services with strong SLAs. By creating product roadmaps, business cases and optimizing BSS/OSS and support processes, I ensured high-quality, scalable B2B solutions.

Product Developer & Project Manager, B2B

OTEnet (OTE, T-Group)

2003 - 2008

Athens, GR

B2B Services: I led cross-functional teams to deliver corporate IP and network connectivity services with strong SLAs. By creating product roadmaps, business cases and optimizing BSS/OSS and support processes, I ensured high-quality, scalable B2B solutions.

Education

University College London, UK

Master of Science degree

Telecommunications

University College London, UK

Master of Science degree

Telecommunications

University of Manchester, UK

Bachelor of Engineering

Computing & Communication Systems Engineering

University of Manchester, UK

Bachelor of Engineering

Computing & Communication Systems Engineering

University of West Attica, GR

Bachelor

Electronics

University of West Attica, GR

Bachelor

Electronics

Licenses & Certifications

Applied Generative AI for Digital Transformation

MIT Professional Education

Issued 2024

Applied Generative AI for Digital Transformation

MIT Professional Education

Issued 2024

Prompt Engineering

Vanderbilt University

Issued 2024

Prompt Engineering

Vanderbilt University

Issued 2024

Professional Scrum Product Owner I (PSPO I)

Scrum.org

Issued 2021

Professional Scrum Product Owner I (PSPO I)

Scrum.org

Issued 2021

Open Water Diver

Scuba Schools International (SSI)

Issued 2025

Open Water Diver

Scuba Schools International (SSI)

Issued 2025

Professional Skills

Product Leadership & Strategy

SaaS Product Management

End-to-End Product Development

Product Lifecycle Management

Digital Strategy

Roadmap Prioritization

Data, AI & Emerging Tech

Data Analytics & KPIs

Data-led Portfolio Steering

Business Technology

Generative AI

Prompt Engineering

Workflow Automation

AI Agents Development

Leadership & Transformation

Cross-Functional Stakeholder Management

Process Design & Optimization

Operational Excellence & Cost Efficiency

Risk Mitigation

Delivery Methodologies & Tools

Agile (Scrum)

Waterfall

Confluence

Jira

Salesforce

Octane

Figma

Framer

Miro

n8n

Qlik

Applied AI Tools

Languages

English

C2 - Bilingual proficiency

German

C1 - Professional working proficiency

French

B1 - Limited working proficiency

Greek

Native proficiency

Honors & Awards

Vodafone B2B Awards

Issued by Vodafone GR

Product Management

Recognized as Best Product Manager for outstanding performance, strategic transformation and leadership.

Get in touch

I am always open to new opportunities and professional conversations. You can reach me on LinkedIn to stay in touch

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