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I am a growth-focused marketing and business development professional with experience in strategic growth, performance marketing, and commercial partnerships across multi-sector environments. I specialize in digital campaign optimization, customer base development, and data-driven decision making to increase revenue and improve business outcomes. Highlights include 20%+ YoY revenue growth through strategic pricing and campaign optimization; ROAS improvements from 2.5x to 3.8x while reducing CAC by 22%; scaling international operations across 40 companies and 3,000 employees within three months; managing 10+ client accounts with measurable gains in sales and brand visibility; and 15% revenue growth through optimized performance marketing strategies.…I am a growth-focused marketing and business development professional with experience in strategic growth, performance marketing, and commercial partnerships across multi-sector environments. I specialize in digital campaign optimization, customer base development, and data-driven decision making to increase revenue and improve business outcomes. Highlights include 20%+ YoY revenue growth through strategic pricing and campaign optimization; ROAS improvements from 2.5x to 3.8x while reducing CAC by 22%; scaling international operations across 40 companies and 3,000 employees within three months; managing 10+ client accounts with measurable gains in sales and brand visibility; and 15% revenue growth through optimized performance marketing strategies.

Michael Passias

Growth Marketer, Marketing Strategist, Product Marketer, +2

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I am a growth-focused marketing and business development professional with experience in strategic growth, performance marketing, and commercial partnerships across multi-sector environments. I specialize in digital campaign optimization, customer base development, and data-driven decision making to increase revenue and improve business outcomes. Highlights include 20%+ YoY revenue growth through strategic pricing and campaign optimization; ROAS improvements from 2.5x to 3.8x while reducing CAC by 22%; scaling international operations across 40 companies and 3,000 employees within three months; managing 10+ client accounts with measurable gains in sales and brand visibility; and 15% revenue growth through optimized performance marketing strategies.…I am a growth-focused marketing and business development professional with experience in strategic growth, performance marketing, and commercial partnerships across multi-sector environments. I specialize in digital campaign optimization, customer base development, and data-driven decision making to increase revenue and improve business outcomes. Highlights include 20%+ YoY revenue growth through strategic pricing and campaign optimization; ROAS improvements from 2.5x to 3.8x while reducing CAC by 22%; scaling international operations across 40 companies and 3,000 employees within three months; managing 10+ client accounts with measurable gains in sales and brand visibility; and 15% revenue growth through optimized performance marketing strategies.

Available to hire

I am a growth-focused marketing and business development professional with experience in strategic growth, performance marketing, and commercial partnerships across multi-sector environments. I specialize in digital campaign optimization, customer base development, and data-driven decision making to increase revenue and improve business outcomes.

Highlights include 20%+ YoY revenue growth through strategic pricing and campaign optimization; ROAS improvements from 2.5x to 3.8x while reducing CAC by 22%; scaling international operations across 40 companies and 3,000 employees within three months; managing 10+ client accounts with measurable gains in sales and brand visibility; and 15% revenue growth through optimized performance marketing strategies.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

Greek, Modern

Fluent

English

Fluent

German

Advanced

Work Experience

Marketing Manager at Excelsia Labs

April 1, 2025 - Present

Design and execution of a comprehensive marketing and business development strategy. Implementation of GA4 + GTM tracking framework and weekly KPI dashboards aligned with financial targets. Management of client, supplier, and strategic partner relationships - negotiation and deal closure. Market and competitor analyses to identify growth opportunities and shape media strategy.

Senior Marketing & Business Development Consultant at Self-employed

September 1, 2022 - September 1, 2025

Managed 10+ accounts across e-commerce, health, retail, and consumer sectors, equivalent to an agency environment. Developed full-funnel marketing strategies from market analysis through execution and reporting. Managed Google Ads, Meta Ads, TikTok Ads, and SEO campaigns with ongoing CAC, ROAS, and conversion rate optimization. Built brand identity, content strategy, and corporate communications for multiple clients.

Airbnb Portfolio Manager at Self-managed

September 1, 2022 - September 1, 2025

Achieved 20% YoY revenue growth through strategic pricing, cost management, and listing optimization.

Shift Leader at LPP S.A. (Sinsay)

November 1, 2023 - June 1, 2024

Led store operations and frontline team as Shift Leader, ensuring KPIs and customer experience targets were met, while coordinating with merchandising and supply chain to optimize stock and in-store presentation.

Section Manager at Marks & Spencer

November 1, 2023 - June 1, 2024

Managed retail section operations for a globally recognized brand, overseeing visual merchandising, inventory, and a team of associates to maintain service standards.

Deputy Head of Marketing at Zeedimension – Remote (International)

December 1, 2022 - November 1, 2023

Led performance marketing strategy in an international environment with presence in 40+ companies worldwide. Managed a global cross-functional team of 50 employees while overseeing multiple simultaneous campaigns.

E-commerce & Performance Marketing Manager at Baousis Bros

December 1, 2022 - November 1, 2023

Managed e-commerce accounts and paid campaigns with budgets up to €10,000; improved ROAS from 2.5x to 3.8x. Led a team of 10 across multiple sales channels.

Technical Specialist (Apple Support) at Teleperformance

July 1, 2022 - October 1, 2022

Provided consumer technical support for Apple products, troubleshooting hardware/software issues and delivering high-quality customer service.

Sales Associate at Cosmos Sport

December 1, 2021 - July 1, 2022

Retail sales role supporting customer service, product knowledge, and daily store operations.

Junior Marketing Intern at Visal

September 1, 2013 - July 1, 2017

Assisted marketing team with campaign coordination, market research, and content development across multiple channels.