Athanasios (Sakis) S.
Digital & AI Strategy / M&A CDD - TechDD / Process Excellence
Experience
Senior Manager
valantic Management Consulting
- Led bankable technical & commercial due diligences and IT carve-outs across hospitality, energy, SaaS, and FMCG
- Conducted comprehensive IT assessments for mid-market companies across the DACH region
- Created pitch decks and sales materials, driving new client acquisition in large-cap transactions
- Managed customer-facing projects with complex stakeholder landscapes and provided CIO support in project management, portfolio management, and coaching
Co-Founder & Partner
K&P Strategy Consultants GmbH
- Co-founded consultancy from zero and established a client base across TMT, industrial tech, healthcare, and business services
- Held full P&L ownership, responsible for HR, financials, strategy, and operational delivery
- Delivered commercial & technical due diligences, target screenings, and value creation strategies to build an M&A pipeline
Client Partner, Telco (focus: Telefonica account)
NTT DATA Germany
- Achieved 100% revenue growth and 30% commercial margin improvement
- Led a consulting team of approximately 40 professionals and project specialists
- Expanded consulting services by bridging business strategy and IT capabilities to drive holistic client solutions
- Improved multi-national communication and coordination across Spain, LATAM, and India
Parallel Consulting Activities (Freelance)
Independent Consultant
- Conducted commercial & technical due diligences for PE firms and corporate clients across CRM, healthcare, cybersecurity, operations management, real estate, workplace management, endpoint security, insolvency tech/legal tech SaaS, and cloud storage
- Performed target screenings in machine learning, cybersecurity, and business intelligence sectors
- Led corporate development projects, strategic maturity models, and IT strategy assessments
Senior Program Co-Manager, Digital Transformation Programs (Freelance)
Telefonica Germany
- Co-managed digital transformation programs with a €150M budget and 300+ FTEs, delivering end-to-end process transformation and omnichannel solutions
- Co-led a migration program with a €130M budget, 700 FTEs, and 250 sub-projects, overseeing delivery tracking and board-level reporting
- Prepared board and SteerCo decision documents, managed risks, and handled stakeholder management
Partner; Head of IT & PD; CTO
infologis AG; HiProCall (T-Venture); accevis
- Worked across automotive (BMW, Audi connected car and eMobility), telecom, retail/eCommerce, and financial services industries
- Focused on IT management, product development, CRM/SAP implementations, digital strategy, and VC portfolio support
Summary
20+ years driving digital transformation and M&A excellence across automotive, telecom, and PE portfolio companies. Proven track record in building high-performing teams, scaling revenues (+100%), and delivering complex programs (€150M+ budgets).
Rare holistic generalist combining strategy, business, process, and IT expertise - exactly what the market demands in today's complex digital landscape. Expert in digital strategy, AI-powered process optimization, and end-to-end value creation from strategy to execution.
The convergence of strategy, business, technology, and processes demands leaders who can navigate all dimensions. Pure strategists lack execution capability. Pure technologists miss business context. My unique combination of MBA-level strategic thinking, hands-on IT/CTO experience, process excellence (EFQM, SCRUM), and business P&L ownership positions me to bridge silos, drive holistic transformation, and deliver real value - not just recommendations.
Languages
Education
Henley Business School
Executive MBA · General Management · London, United Kingdom
TU Munich
Diploma · Computer Science & Economics · Munich, Germany · 1.9
Certifications & licenses
Blockchain & Law Professional
Certified SCRUM Product Owner
Corporate Finance
EFQM
Process Management
SAP CRM Consultant
TQM Coach
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