Alperen Çelikdin - Operational Excellence Manager in Turkey

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Ankara, Turkey

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Experience

Jan 2019 - Present

7 years 8 months

Operational Excellence Manager (Lean Manufacturing Manager)

Sütaş Group – Tarfaş A.Ş.

Scope: Lead Lean Management System and CI roadmap across 4 factories, 12 farms, and 25 warehouses; operational scale ~50,000 tons/month. Manage 9-person team (direct reports: 9) across 2 functions.

Led Lean transformation portfolio delivering $150,000 total savings "$150k verified savings (finance-validated)"
Increased OEE from 65 to 80 by deploying daily management, visual performance control, and structured problem solving.
Reduced scrap rate from 1.0% to 0.3% through root cause elimination, quality-at-source practices, and standard work.
Reduced end-to-end lead time from 22 days to 13 days by streamlining flows and removing process/queue bottlenecks.
Increased capacity from 28 t/h to 38 t/h via constraint management, layout/process improvements, and cycle time stabilization.
Established governance for Lean Management System: KPI trees, tier meetings, action tracking, and sustainability audits.
Coached leaders and frontline teams on A3/5Why, standard work, and continuous improvement routines.

Dec 2008 - Jan 2019

10 years 2 months

Supply Chain Business Development & Project Manager (Feed Factories)

Sütaş Group – Tarfaş A.Ş.

Scope: Planning & logistics for feed factories and warehouses; investment feasibility/ROI; SAP programs and digital transformation.

Managed planning/logistics operations across multi-site structure (factories/warehouses), aligning service levels with cost targets.
Led two full-cycle SAP ECC implementations as Project Manager (blueprint → build → test → cutover → hypercare).
Served as MM & PP Key User and Logistics Process Owner post go-live; stabilized processes, improved adoption, and reduced operational risks.
Delivered 4 Power BI dashboards (Cost-to-Serve, OTIF, Inventory Health, Production KPIs) used for decision-making in logistics and planning management (KPI visibility, performance governance).
Led productivity and efficiency projects, including integration between SAP and 3rd party systems to reduce manual work and improve data accuracy.
Conducted feasibility studies and ROI analyses for investment initiatives to support leadership decision-making.

Aug 2007 - Dec 2008

1 year 5 months

Production Engineer (Specialist)

Sarıgözoğlu Hydraulic Machines Co. Inc.

Planned and managed chassis production line operations; ensured delivery performance and compliance with technical drawings.
Supported continuous improvement and production flow enhancements for major OEM orders.

Aug 2005 - Jan 2007

1 year 6 months

Production Planning Engineer (Specialist)

Hema Gear Industry Co. Inc.

Planned and controlled part production for defense projects; supported lean cell design (U-type lines) and line balancing.
Coordinated international logistics to support overseas demand and warehouse replenishment alignment.

Industry experience

See where this freelancer has spent most of their professional time.

Experienced in Manufacturing, Food and Beverage, Agriculture, Aerospace and Defense, and Transportation.

Manufacturing

Food and Beverage

Agriculture

Aerospace and Defense

Transportation

Business area experience

See which departments and functions this freelancer has contributed to most.

Experienced in Operations, Quality Assurance, Project Management, Logistics, Production, and Business Intelligence.

Operations

Quality Assurance

Project Management

Logistics

Production

Business Intelligence

Summary

18+ years of experience leading operational excellence and supply chain transformation across multi-site manufacturing and logistics operations.
Built and scaled Lean Management Systems and KPI governance, delivering measurable improvements in productivity, quality, lead time, and capacity.
Led two full-cycle SAP ECC implementations as Project Manager; MM/PP Key User and Logistics Process Owner. Strong analytical background with SCI-indexed publication in vehicle routing optimization.

Skills

Lean Management System
Kaizen
Vsm
Oee Improvement
Standard Work
Visual Management
Problem Solving (A3/5why)
Kpi Governance
Planning
Warehousing
Inventory
Logistics Optimization
Cost/Service Trade-Offs
Feasibility & Roi
Cross-Functional Delivery
Stakeholder Management
Change Management
Benefits Tracking
Power Bi Dashboards
Data Analysis
Optimization Modeling (Vrp)
Sap Ecc
Mm & Pp Key User
Logistics Process Owner
Power Bi
Power Query
Power Pivot
Spss
Arena
Python
Gurobi
Gams
Flexsim
Servant Leadership
Coaching And Feedback-Driven Team Development

Languages

Turkish

Native

English

Advanced

Education

Aksaray University

PhD · Business Administration · Aksaray Merkez, Turkey

Aksaray University

MSc · Business Administration · Aksaray Merkez, Turkey

Çankaya University

BSc · Industrial Engineering · Etimesgut, Turkey · High Honors

Statistics

Experience

Total positions 4

Experience in Manufacturing 20.5 y

Avg length 5 y 1 m

Longest experience 10 y 1 m

Expertise

Recent roles Operational Excellence Manager (Lean Manufacturing Manager), Supply Chain Business Development & Project Manager (Feed Factories), Production Engineer (Specialist)

Main industries Manufacturing, Food and Beverage, Agriculture

Main business areas Operations, Quality Assurance, Project Management

Qualifications

Highest degree Doctorate

Profile

Member since

August 2026

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Frequently asked questions

Have questions? Find more information here.

Alperen is based in Ankara, Turkey.

Alperen speaks the following languages: Turkish (Native), English (Advanced).

Alperen has at least 20 years of experience. During this time, Alperen has worked in at least 4 different roles and for 3 different companies. The average length of individual experience is 5 years and 1 month. Note that Alperen may not have shared all experience and actually has more experience.

Based on recent experience, Alperen would be well-suited for roles such as: Operational Excellence Manager (Lean Manufacturing Manager), Supply Chain Business Development & Project Manager (Feed Factories), Production Engineer (Specialist).

Alperen's most recent position is Operational Excellence Manager (Lean Manufacturing Manager) at Sütaş Group – Tarfaş A.Ş..

In recent years, Alperen has worked for Sütaş Group – Tarfaş A.Ş..

Alperen is most experienced in industries like Manufacturing, Food and Beverage, and Agriculture. Alperen also has some experience in Aerospace and Defense and Transportation.

Alperen is most experienced in business areas like Operations, Quality Assurance, and Project Management. Alperen also has some experience in Logistics, Production, and Business Intelligence.

Alperen has recently worked in industries like Agriculture, Food and Beverage, and Manufacturing.

Alperen has recently worked in business areas like Operations, Production, and Project Management.

Alperen holds a Doctorate in Business Administration from Aksaray University, a Master in Business Administration from Aksaray University and a Bachelor in Industrial Engineering from Çankaya University.

Alperen will be available full-time from September 2026.

Daily rate distribution

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<€320 €320-480 €480-640 €640+

The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

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Daily rate avg. 555 €

The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.

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Median rate 540 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

Calculated based on our freelancers’ daily rates as of 21 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.