Ayhan Demir

Single-Threaded Leader for Heavy Bulky Services within Amazon's Worldwide Customer Service organisation, owning end-to-end customer experience across a previously siloed portfolio. - Architected an LLM-based contact-quality evaluation tool using prompt engineering and Minitab-based statistical validation, reaching over 90% prediction accuracy and cutting audit turnaround time by 50% or more. - Co-led a Kaizen event, applying DMAIC and root-cause process mapping, across a large share of worldwide contact vol

Program Manager owning governance and operating-model design across Amazon's EU7 Worldwide Customer Service portfolio. - Ran a DMAIC-based access-governance clean-up across permission groups, using root-cause analysis and process mapping to cut over-permissioned agent access by roughly 16 percentage points and deliver finance-validated savings into nine figures. - Applied Value Stream Mapping at organisational scale across a 25+ stakeholder offsite, using gap analysis to bring a nine-figure portfolio under

Senior Continuous Improvement Expert leading Lean Six Sigma and Kaizen programmes across Product Life Support and fraud-prevention workstreams. - Ran a five-phase DMAIC programme grounded in Lean Six Sigma across Product Life Support, incorporating machine-learning recommenders and cost-per-unit analysis, compounding savings from six to eight figures and improving SLA by 45%. - Led a DMAIC-based fraud investigation using process mapping and fraud analytics, coordinating with external logistics and retail p

EU Senior Continuous Improvement Expert leading regional Lean Six Sigma initiatives ahead of a Worldwide scope expansion. - Won a company-wide Concession Hackathon using decision-tree analysis and data segmentation to address claims, one of EU Customer Service's highest-volume concession drivers. - Structured the initial DMAIC phases of a multi-year Product Life Support programme, establishing the cost-per-unit baseline and first machine-learning-assisted contact deflection. - Founded a peer-support initia

EU Continuous Improvement Expert delivering Lean Six Sigma and Kaizen projects across EU5 Customer Service. - Standardised the DMAIC method into a reusable, self-serve Lean Six Sigma toolkit, later recognised with a Kaizen award. - Delivered seven Kaizen projects across EU5 markets, plus a customer journey mapping initiative that reduced avoidable contact transfers. - Compounded measurable savings from five to six figures over the role's first full year.

Service Assurance Specialist launching Customer Service quality and continuous-improvement practices for the Turkish marketplace, later extended to Germany, UK and the United Arab Emirates. - Launched Turkey Store and owned key metrics to improve. - Built the initial cost-per-unit and problem node mapping for a newly launched marketplace, and defended DTMF/IVR phone channels against automated bot attacks. - Resolved 12+ pre-production defects through structured customer journey mapping, and coached junior a

Overall Key Competencies; • Attention to detail • Communication skills - verbal and written • Data collection, management and analysis • Problem analysis and problem solving • Planning and organizing • Judgement • Decision-making • Customer service orientation • Teamwork Job Description: Field and After-sales Engineer (Jan.2018 - Present) - Investigate customer complaints and non-conformance issues - Collect and compile statistical quality data - Analyze data to identify areas for improvement in the quali

Overall Key Competencies • Critical thinking and problem solving skills • Planning and organizing • Co-ordination and control • Time management • Attention to detail • Decision-making • Communication skills • Persuasiveness • Negotiation • Delegation • Team work • Conflict management • Adaptability • Stress tolerance Job Description: Incoming Quality Lab. Responsible (Sep.2012 – Jan.2016) - Responsible about performance and coordination of 38 Blue Collars and 2 White Collars - Responsible of electromechan

Job Description: Assembly Line Engineer (Nov.2011 – Nov.2012) - Responsible for personal development and management of the blue collar workers in production line, - Sustaining daily production plan in order to keep high quality and productivity, - Coordination and implementation of autonomous maintenance activities with 5S&TPM responsibles, - Coordination and implementation of equipment maintenance activities in cooperation with plant maintenance teams, - Planning, implementation and reporting of process im

Designing Air Conditioning, Heating &Cooling and Plumbing Systems for Malls, Sites, Homes, Workplaces and Theatres...

Nine-week, full-time programme covering AI consulting from strategy to delivery across five modules: - AI foundations and literacy for consultants; - Agentic AI system design using LLMs, - Retrieval-Augmented Generation and Autonomous agents built with tools like n8n; business transformation thr