Spiro George Vamvakas
Metro Detroit Area,MI
Summary
Results-driven management professional with proven ability to lead teams to success. Strong focus on team collaboration, operational efficiency, and achieving measurable outcomes. Adept at strategic planning, process improvement, and fostering culture of accountability and excellence. Known for adaptability and consistently meeting changing organizational needs.
Overview
14
14
years of professional experience
Work History
Global Lead/Senior Manager – Indirect Procurement; Professional Services, IT, SW/HW
Visteon Corporation
Van Buren Township, MI, USA
01.2021 - 01.2022
- Focused on strategic roadmaps, cost savings, process efficiencies and process optimization, cross functional collaboration, contract analysis, negotiations, and supplier performance to drive bottom line savings, remove redundancies (order cycle times), establish category strategies, and create supplier framework agreements. Manage 14 employees globally.
- Created and led supplier spend & contract roadmaps to effectively leverage requirements, market tests including support from external research agencies, and RFQs (& RFIs), and to ensure fully negotiated contracts as well as timely PO execution.
- Led team to effectively meet and exceed all cost savings targets while mitigating supply risks due to economic and global pandemic effects, cost pressures, and staff reductions. Targeted/met/exceeded 5-10% reductions by working cross-functionally with finance and business leads for over $150 m in spend.
- Led and directly supported supplier RFQs (RFIs) for global contracts both in Professional Services as well as IT Infra and SW purchases incl. creating specification sheets, response templates, supplier communications, FAQ sheets, and response analysis. Presented PPT summaries to management/C-Suite. Results of over $8 m savings in 16 months.
Procurement Strategy Consultant - Customer Lead – Procurement Cost Optimization, Process Optimization
Oliver Wyman Consultants
Troy, MI, USA
04.2015 - 02.2021
- Supported clients with procurement strategy, due diligence, and process optimization for leading Tier I suppliers and OEMs. Optimized procurement operations with strategic problem solving and cost-cutting programs, set up and executed tenders, negotiated with suppliers, presented results to client leadership.
- Led the cost savings strategy for an OEM’s service/warranty component division – Optimized cost savings levers to run an effective cost gap analysis releasing over $10 m in direct PO purchasing cost savings within 3 months and over $13 m within one year. Developed financial models to analyze F/X, service to production pricing gaps, and regression models to optimize purchases for over $2 bn in annual spend.
- Led the strategic growth model for a $1 billion automotive supplier to target $2 billion in sales within 10 years including a complete capability analysis and optimization of the product and customer portfolio, realization of value growth incl. purchasing strategy, R&D, people and HR strategy as well as potential partner and acquisition screening. Successfully led one of two key work-streams and supported the other.
Procurement and Cost Optimization Strategy Consultant – Manufacturing, Industrial Manufacturing
Free-Lance Consulting – incl with Gotham Consulting Partners
NY/NY, USA
04.2014 - 04.2015
- Specialized in applying strategy consulting expertise to small/mid-cap manufacturing companies to support both CEOs and PE firms with rapid growth and EBITDA increases via cost cutting and operational improvement strategies. Collaborated with established firms and independent engagements.
Senior Procurement Strategy Consultant – Automotive & Industry Competence Group
Roland Berger Strategy Consultants
Bloomfield Hills, MI, USA
04.2012 - 04.2014
- Specialized in program managing strategic solutions for procurement, logistics, and supply-chain operations. Assumed engagement management role incl. supervision of junior staff and interacting directly with clients.
- Performed Engagement Manager role for a supplier rationalization and product portfolio optimization program in a USD 40 bn OEM’s procurement organization to target arbitrage cost opportunities via a cost optimization tool and strategy. A direct purchase USD 40 m in savings identified for a USD 800 m spend.
- Led the Post Merger Integration (PMI) for the optimization of shipping and logistics procurement operations via a strategy to support post-merger synergy targets based on a USD 2 bn spend for a global automotive logistics company. Optimized the supply chain and reduced the supplier base by 80% with a cost savings of 5%.
- Supported a PMI via a material cost due diligence for an automotive Tier I supplier with USD 1 bn new spend/acquisition of a plastics injection molding factory, through building material cost and exchange risk financial models. Implemented the models for global component sourcing.
- Freelancing since 2014
Management Consultant – Cost Optimization & Operations
P3 Group North America (P3 Ingenieurgesellschaft)
Troy, MI, USA
01.2010 - 01.2012
- Supported automotive companies OEMs and Tier I suppliers, with product development (PDP) strategies as well as analysis of capabilities to lead procurement process optimization and operations improvements.
- Analyzed and optimized the product development process (PDP) strategy for Tier I suppliers including cross-functional group alignment with procurement, engineering, quality to ID organizational synergies.
- Supported the procurement strategy and successful new major product launch for vehicle and component launches, including managing all aspects of the supply chain. Program managed all aspects of procurement including aligning program timing, quality, engineering, and finance.
Global Senior Strategic Buyer
General Motors
Warren, MI, USA
01.2008 - 01.2009
- Negotiated, sourced, and managed over USD 120 m in direct supplier contracts. Performed component portfolio analysis and financial risk assessments including industry analysis of global supply chains.
- Reduced 98% of USD 10 m in excess/obsolete inventory through negotiation with Tier 1 suppliers, leading cross-functional teams (Logistics, Engineering, and Finance), as well as creating and implementing LTAs.
- Led global buyer team in sourcing package of complex electrical components to reverse over-budget, late vehicle program and led team with consultants for online RFP (RFQ) bidding to achieve USD 20 m savings.
Education
MBA - Master of Business Administration - Finance & Corporate Strategy
Stephen M. Ross School of Business – University of Michigan
Ann Arbor, MI12.2009
MSE - Master of Science - Engineering
Rackham Graduate School – University of Michigan
Ann Arbor, MIBSE - Bachelor of Science - Engineering
College of Engineering – University of Michigan
Ann Arbor, MISkills
- Strategic Leadership
- Market Analysis
- Team Management
- IT Contract Negotiation
- Operational Transformation
- Financial Analysis
- Procurement Consulting
- Advanced Excel Cost Analysis
Timeline
Global Lead/Senior Manager – Indirect Procurement; Professional Services, IT, SW/HW
Visteon Corporation
01.2021 - 01.2022
Procurement Strategy Consultant - Customer Lead – Procurement Cost Optimization, Process Optimization
Oliver Wyman Consultants
04.2015 - 02.2021
Procurement and Cost Optimization Strategy Consultant – Manufacturing, Industrial Manufacturing
Free-Lance Consulting – incl with Gotham Consulting Partners
04.2014 - 04.2015
Senior Procurement Strategy Consultant – Automotive & Industry Competence Group
Roland Berger Strategy Consultants
04.2012 - 04.2014
Management Consultant – Cost Optimization & Operations
P3 Group North America (P3 Ingenieurgesellschaft)
01.2010 - 01.2012
Global Senior Strategic Buyer
General Motors
01.2008 - 01.2009
MBA - Master of Business Administration - Finance & Corporate Strategy
Stephen M. Ross School of Business – University of Michigan
MSE - Master of Science - Engineering
Rackham Graduate School – University of Michigan
BSE - Bachelor of Science - Engineering
College of Engineering – University of Michigan