EDUCATION

Ph. D. Industrial and Systems Engineering, Lehigh University, USA.

M.S. Industrial and Systems Engineering, Lehigh University, USA.

B.S. Industrial Engineering, Gazi University, TURKEY.

 

RESEARCH INTERESTS

Supply chain management

Integration of inventory control and transportation planning

Vendor-Buyer models

Multi item inventory control

Staff scheduling

Mathematical programming applications in general

Tools used; Mathematical programming and decomposition techniques, Meta-heuristics, System simulation

Software used: C++, AMPL/CPLEX, LINGO, MAPLE, ARENA, AWESIM, PROMODEL, GPSS, STATGRAFICS, MINITAB, NeuralWare.

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PROFESSIONAL EXPERIENCE

Associate Professor, TOBB ETU, Industrial Engineering, TURKEY, May 2010 – Present

Consultant on costing and performance evaluation for Turkish National Institute of Statistics, September 2010 – January 2011

Assistant Professor, TOBB ETU, Industrial Engineering, TURKEY, February 2007 – January 2010

Assistant Professor, King Fahd University of Petroleum and Minerals (KFUPM), Systems Engineering (Industrial Eng. Program), August 2001 - February 2007

Consultant on system simulation, Saudi Ma’deen Inc., February 2006 - April 2006.

Instructor, Industrial and Systems Engineering, Lehigh University, USA, Fall 1999

Research Assistant, Manufacturing Logistics Institute, Lehigh University, August 1996 - March 2001

Teaching Assistant, Industrial and Systems Engineering, Lehigh University, USA, Spring 1995, Fall 1995, Spring 1996

 

PROJECTS

Member of the research team from Manufacturing Logistics Institute of Lehigh University and Wharton School of University of Pennsylvania on an NSF funded project “Distributed Decision Framework Integrating Manufacturing Planning and Multiple Supply Chain Management” (#DMI-9634808).

Member of the research team from Manufacturing Logistics Institute of Lehigh University on a project with Lucent Technologies, titled “Modeling the Integrated Circuit Supply Chain”

Co-investigator in a project titled “INTEGRATED MANUFACTURER-RETAILER SUPPLY CHAIN MODELS”, two-year project, funded by KFUPM

Principal (sole) investigator in a project titled “MULTI ITEM INVENTORY ORDERING PROBLEM WITH TRANSPORTATION COST”, (9/2005-), 1.5-year project, funded by SABIC (Saudi Basic Industries)/FAST TRACK

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PUBLICATIONS

 

Journal papers indexed by SCI or SCI-E

 

 

K. Ertogral, “A Vendor-buyer lot sizing problem with stochastic demand: An exact procedure under service level approach”, European Journal of Industrial Engineering, vol. 5/1, 101-110, 2011.

 

R. Sahin, K. Ertogral, and O. Turkbey, “A Simulated Annealing Heuristic for the Dynamic Layout Problem with Budget Constraint”, Computers & Industrial Engineering, vol. 59/2, 308-313, 2010.

 

K. Ertogral, “A Multi Item Single Source Inventory Ordering Problem with Transportation Cost: A Lagrangean Decomposition Approach”, European Journal of Operational Research, vol. 191, 154-163, 2008.

 

K. Ertogral and B. Bamuqabel, “Developing staff schedules for a bilingual call center with flexible workers”, Computers & Industrial Engineering, vol. 54/1, 118-127, 2008.

 

M.Ben-Daya, M. Darwish, and K. Ertogral, “Joint economic lot sizing problem; A Review and extensions”, European Journal of Operational Research, vol. 185/2, 726-742, 2008.

 

K Ertogral, M. Ben-Daya, and M. Darwish, “Production and shipment lot sizing in vendor-buyer supply chain with transportation cost”, European Journal of Operational Research, vol. 176, 1592-1606, 2007.

 

K. Ertogral and M. Rahim, “Replenish-up-to inventory control policy with random replenishment intervals”, International Journal of Production Economics, vol. 93-94, 399-405, 2005.

 

K. Ertogral and S. D., Wu, “Auction-theoretic coordination of production planning in the supply chain”, IIE Transactions, vol.32, no.10, 931-940, 2000.

 

 

K.Ertogral, “An Optimization based heuristic approach for the dynamic joint replenishment problem with transportations cost”, under review. .

 

 

 

 

Refereed Conferences with proceedings

 

R. Sahin, K. Ertogral, and, O Turkbey, “A simulated annealing heuristic for dynamic layout problem with budget constraint”, Proceedings of 6th International Symposium on Intelligent and Manufacturing Systems, Sakarya, Turkey, October 2008.

K. Ertogral, “Vendor Buyer Lot Sizing Problem with Stochastic Demand: A Service Level Approach”, Proceedings of the14th International Annual EurOMA Conference, Ankara, Turkey, June 2007.

K. Ertogral, “Multi item single source ordering problem; A simulated annealing approach employing simulation”, Proceedings of the 6^th Metaheuristics International Conference, Vienna, Austria, August 2005.

 

M. Darwish, K. Ertogral, and M. Ben-Daya, “Geometric policy with transportation cost for joint economic lot sizing problem”, Proceedings of the 2^nd International Industrial Engineering Conference, December 2004, Riyadh, Saudi Arabia.

 

A. A. S. Azhar, K. Ertogral, and H. N. Al-Duwaish, “Optimization Techniques in Chemical Processes“, Proceedings of the 2^nd IEEE GCC 2004 Conference, Manama, Bahrain, November 2004.

           

K. Ertogral, M. Ben-Daya, and M. Darwish, "Integrated Analysis of production-inventory-transportation planning in two stage supply chains", Proceedings of the 6^th Saudi Engineering Conference, Dhahran, Saudi Arabia, December 2002.

 

K. Ertogral, S. D. Wu, and L. I. Burke, “Integrating Production and Transportation Logistics in Supply Chain Environment”, Proceedings of the 9^th Industrial Engineering Research Conference, Cleveland, OH, May, 2000. (Technical Report 98T-010, Department of IMSE, Lehigh University, 1998)

 

           

 

Refereed Conferences with abstract proceedings

 

Kadir Ertogral, and O. Dikmen, “Coordination of the branch closing times and scheduling the unloading operations in a parcel transfer center“, 24th European Conference on Operational Research, Lisbon, Portugal, July 2010.

 

O. Dikmen and Kadir Ertogral, “Analyses of the capacity and scheduling problems in a cargo transfer center using simulation”, YAEM (Turkish society of OR and Industrial Engineering) conference, Istanbul, Turkey, July 2010.

 

Kadir Ertogral, Esra Ekici, Ahmet Saygın Baban, Zeynep Dönmezoğlu, Tuğçe Göllü, “A heuristic approach for layout development in a plastic-injection workshop”
YAEM (Turkish society of OR and Industrial Engineering) conference, Ankara, Turkey, July 2009.

 

K. Ertogral, “An optimization based heuristic approach for the dynamic joint replenishment problem with transportations cost”, YAEM (Turkish society of OR and Industrial Engineering) conference, Istanbul, Turkey, July 2008.

 

K. Ertogral, “Cyclical staff scheduling and workforce allocation application for a call center”, 21st European Conference on Operational Research, Reykjavik, Iceland, July 2006.

 

K. Ertogral, “Multi item single source dynamic ordering problem with transportation cost”, 20^th European Conference on Operational Research, Rhodes, Greece, July 2004.

 

 K. Ertogral, M. Ben-Daya, and M. Darwish, “Production and shipment lot sizing in a two layer supply chain”, EURO/INFORMS Joint International Meeting, Istanbul, Turkey, July 2003.

 

K. Ertogral and M. Rahim, “Replenish-up-to Inventory Control Policy with Random Replenishment Intervals”, 12^th International Symposium on Inventories, Budapest, Hungary, August 2002

 

K. Ertogral and S. D. Wu, “A Bargaining model of supply contracts and an Application”, INFORMS conference, San Antonio, TX, USA, November, 2000. (Technical Report 00T-012, Department of IMSE, Lehigh University, 2002)

 

K. Ertogral and S. D. Wu, “Auction-like Coordination of The Production Planning in Supply Chain Environment”, INFORMS Fall Meeting, Philadelphia, PA, USA, 1999.

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WORKING PAPERS

Multi item coordinated replenishment problem with transportation cost under stochastic demand

Branch coordination and scheduling problem in a cargo transfer center

A hybrid heuristic search method for flexible job-shop scheduling problem

Line Balancing and lean manufacturing for large products

 

COURSES TAUGHT

Lehigh University; Operations Research: Stochastic models

KFUPM; Operations Research II, Stochastic System Simulation, Production Systems and Inventory Control, Engineering Statistics I and II, Sequencing and Scheduling, Introduction to Industrial Engineering, Numerical Methods, Advanced Linear Programming (Graduate course), Advanced System Simulation (Graduate Course) 

TOBB ETU; Introduction to Industrial Engineering, Operations Research I, Production Systems I, Operations Management (MBA course), Advanced Linear Programming (Graduate course), Supply Chain and Logistics Management

 

HOBBIES

football, basketball, tennis, poetry, swimming, Turkish classical music, instrumentals, jazz, nature and historic documentaries, traveling. 

 

LANGUAGES

Turkish (Native tongue)

English (Advanced )

Arabic (Beginner)

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