In the Media
DEAL OR NO DEAL JCPenney’s ‘landmark’ $950 million deal collapses leaving 120 stores on the chopping block
Tassos Marianos is an accomplished executive who has held leadership roles in multiple sectors. He provides exceptional strategic guidance and market insights, particularly to organizations undergoing turnaround. He has transformed some of the best-known companies in Greece and abroad, leveraging their competitive advantages to optimize performance and achieve outstanding revenue growth.
Professional Focus
- 30 years’ experience in leadership, including international executive roles in multiple sectors
- Extensive business and commercial expertise, particularly in transformation, strategic planning, marketing and relationship management
- Specialized expertise in turnaround strategy, business development, revenue growth, project management, industry best practices, corporate governance, due diligence, C-suite and board liaison, supply chain management, contract negotiation, overhead cost reduction, start-up operations, new product launch and quality assurance
- Broad industry experience including banking, FMCG, automotive and not-for-profit (NGOs)
- Skilled in people and performance management, including recruitment, cross-functional team building, training and development, personnel administration
- Native Greek, fluent in English and French
Business Expertise
- General Manager of ELEPAP Greece, the largest and oldest NGO in the country
- Associate to Retail Banking General Manager at Emporiki Bank Greece, subsidiary of Credit Agricole SA, the leading retail bank in Europe
- Group Marketing and Communications Director at Piraeus Bank Group, then-largest bank in Greece
- Marketing and Supply Planning Director at Toyota Hellas, subsidiary of Inchcape PLC London, market leader in vehicle sales in Greece; reported to Group CEO
- Independent Consultant to DIAS Media Group, CTC Cyprus, the largest media group in SE Mediterranean
- Marketing and Innovation Director at Diageo Hellas, global leader in the spirits industry
- Marketing Manager at United Distillers-IDV/Metaxa-Diageo Hellas; promoted from Product Manager
Additional Expertise
- Energy
- Banking
- Consumer Products - FMCG
- Automotive
- Not-for-Profit
Areas of Expertise
Education & Certifications
- MBA in international business from Baruch College of City University of New York, U.S. (full scholarship)
- Bachelor’s degree from Columbia University, New York, U.S. (graduated in top 10%)
Case Studies
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Empowering Innovation: Appointing a Regional R&D Leader in FMCG
Boyden places a high-impact R&D executive to drive innovation and transformation across a global consumer goods portfolio
Power in Growth: Boyden's Strategic COO Recruitment for a Leading Agro-Industry Giant
In the competitive realm of global agribusiness, our client required a transformative COO to enhance operational efficiency and spearhead growth. Here, we share how Boyden identified and secured the ideal candidate, driving innovation and sustainability in a rapidly evolving industry.
Navigating Change: Recruiting a Non-Family CEO in Agribusiness
In a significant transition for our client, a leading family-owned agricultural producer across the eastern and midwestern United States, the challenge of appointing its first non-family CEO was met with success through Boyden's strategic recruitment efforts.
Thought Leadership
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Articles & Papers
Boyden in Malta: Momentum in the Mediterranean
A look at Malta’s most vibrant industries and economic successes with insights from local Partner Dr. Vassilis Trochalidis of Boyden Greece, Cyprus and Malta.
Articles & Papers
Private Equity's Role in Powering the Energy Transition
As energy markets transform, private equity is driving the transition with diversified portfolios and leaders who can master both legacy and renewable systems.
Boyden Report Series
What’s Next for Industry? AI, Transformation, and the Talent Imperative
Industrial Trends Report: Analysing markets, studies, and trends on how AI, machine learning, and digitalisation are reshaping the industrial sector, with expert insights on talent and leadership from Boyden’s Global Industrial Practice Members.
Resilient Leadership
Adapting to the “New Consumer”
Perspectives from Boyden's Consumer Products Experts
News & Events
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In the Media
Walmart’s CEO Doug McMillon will pass the torch of leadership on to another
Walmart prepares for leadership transition as John Furner Succeeds Doug McMillon.
In the Media
Big Food Big Moves: Who's next in the big CPG shake-up
Explore how Nestlé, Mars, Unilever, and Kraft Heinz are driving major mergers, acquisitions, and strategic shifts set to reshape the global food and confectionery industry in 2026.
Contact Tassos Marianos today and let's get started