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1993 - Continues Professor
Middle East Technical University, Faculty of Engineering, Department of Industrial Engineering
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2017 - 2019 Vice Rector
Middle East Technical University, Presidency Office
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2016 - 2017 Rector's Advisor
Middle East Technical University, Presidency Office
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2006 - Continues Professor
METU
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2019 - 2019 Chairperson of the Board
Company, ODTÜ Development Foundation Information Technologies Inc.
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1999 - 2006 Associate Professor (Promotion)
METU
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1997 - 2006 Associate Professor (Title)
METU
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2003 - 2004 Project coordinator
S.P.A.C., METU Technopolis
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1993 - 1999 Assistant Professor
METU
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1993 - 1993 Assistant
METU
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1988 - 1993 Assistant
North Carolina State University
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1986 - 1987 Assistant
METU
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1985 - 1986 Assistant
METU SİBAREN
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A Holistic Framework for the Evaluation of Circular Water Economy Models at Watershed Scale through Water-Energy-Food-Ecosystem Nexus Approach
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Interactive two response product and process design optimization under model parameter uncertainty
Köksal G., Köksalan M. M.(Co-Advisor)
M.ÖZATEŞ(Student), Doctorate, 2023 -
Enhancing next destination prediction: An application of LSTM using real-world airline data
Köksal G., Abar O.(Co-Advisor)
S.SALİHOĞLU(Student), Postgraduate, 2023 -
Generation and multi-criteria evaluation of circular economy water management alternatives for Porsuk basin
N.MORADI(Student), Postgraduate, 2023 -
A recommendation approach for employee retention by using a new feature selection strategy
Köksal G. (Advisor)
N.ÖZDALLI(Student), Postgraduate, 2023 -
A new method for parameter design optimization of products or processes with an ordinal categorical response
Köksal G., Dolgun L. E.(Co-Advisor)
P.ERDOĞAN(Student), Postgraduate, 2022 -
A similarity based oversampling method for multi-label imbalanced text data
Köksal G., Erişkin L.(Co-Advisor)
İ.HAKKI(Student), Postgraduate, 2022 -
A method for monitoring quality in long run product development projects
Köksal G. (Advisor)
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Product-line planning under uncertainty
KÖKSAL G. (Advisor)
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Robust parameter design of products and processes with an ordinal categorical response using random forests
KÖKSAL G. (Advisor)
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An experimental comparison of linear regression methods used in multi-response design parameter optimization for their estimation and prediction errors
KÖKSAL G. (Advisor)
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An approach for quality control chart appropriateness evaluation based on desirability functions
KÖKSAL G. (Advisor)
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An approach for determining process economy parameters of multivariate loss functions
KÖKSAL G. (Advisor)
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An effective approach for comparison of association rule mining algorithms based on controlled data, statistical inference and multiple criteria
KÖKSAL G. (Advisor)
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Interactive and nonparametric modeling of preferences on an ordinal scale using small data
KÖKSAL G. (Advisor)
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An interactive approach to two-response product and process design optimization with statistical inferences
KÖKSAL G. (Advisor)
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Tercihsel bağımlılık altında alternatifler için aralık ölçeğinde tercih puanlarının belirlenmesi: Kalite karakteristikleri için detaylı analiz
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Structural equation modeling of customer satisfaction and loyalty for residential air conditioners
KÖKSAL G. (Advisor)
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A business process performance measure definition system supported by information technologies
KÖKSAL G. (Advisor)
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Product mix determination under uncertainty within a framework proposed for effective product management
WASTİ PAMUKSUZ S. N.(Co-Advisor), KÖKSAL G. (Co-Advisor)
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Comparison of methods for robust parameter design of products and processes with an ordered categorical response
KÖKSAL G. (Advisor)
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New approaches to desirability functions by nonsmooth and nonlinear optimization
KÖKSAL G. (Advisor)
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An improved organization method for association rules and a basis for comparison of methods
KÖKSAL G. (Advisor)
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Fuzzy classification models based on tanaka’s fuzzy linear regression approach and nonparametric improved fuzzy classifier functions
KÖKSAL G. (Advisor)
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Fuzzy regression modeling of defect rates in a metal casting process
KÖKSAL G. (Advisor)
T.KILIÇ(Student), Postgraduate, 2009 -
A comparison of data mining methods for prediction and classification types of quality problems
KÖKSAL G. (Co-Advisor), KARASAKAL E.(Co-Advisor)
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Robust design with binary response using Mahalanobis Taguchi system
KÖKSAL G. (Advisor)
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A comparison of some robust regression techniques
KÖKSAL G. (Advisor)
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Multi-class classification methods utilizing Mahalanobis Taguchi system and a re-sampling approach for imbalanced data sets
KÖKSAL G. (Advisor)
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Modeling and analysis of customer requirements from a driver’s seat
KÖKSAL G. (Advisor)
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Monitoring high quality processes: A study of estimation errors on the time-between-events exponentially weighted moving average schemes
KÖKSAL G. (Advisor)
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Modeling monthly electricity demand in Turkey for 1990-2006
KÖKSAL G. (Advisor)
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Controlling high quality manufacturing processes: A robustness study of the lower-sided TBE EWMA procedure
KÖKSAL G. (Advisor)
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A comprehensive review of data mining applications in quality improvement and a case study
KÖKSAL G. (Co-Advisor), BATMAZ İ.(Co-Advisor)
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A linear programming approach to quaity improvement project and product mix selection under inspection error and rework
KÖKSAL G. (Advisor)
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A decision matrix based method for determining priorities of quality improvement projects in manufacturing with inspection error and rework
KÖKSAL G. (Advisor)
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A linear programming approach to quality improvement project and product mix selection under inspection error and rework
KÖKSAL G. (Advisor)
N.ŞARBAK(Student), Postgraduate, 2006 -
A method for robust design of products or processes with categorical response
İLK DAĞ Ö.(Co-Advisor), KÖKSAL G. (Co-Advisor)
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An evaluation of the reinsepction decision policies for software code inspections
KÖKSAL G. (Advisor)
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Integration of supplier process : supplier segmentation, supplier selection and order allocation in a case company
KÖKSAL G. (Advisor)
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Integration of supplier processes: Supplier segmentation, supplier selection and order allocation in a case company
KÖKSAL G. (Advisor)
Y.ÖZALP(Student), Postgraduate, 2005 -
An evaluation of the reinspection decision policies for software code inspections
KÖKSAL G. (Advisor)
S.NALBANT(Student), Postgraduate, 2005 -
The effects of inspection error and rework on quality loss for a nominal the best type quality characteristic
KÖKSAL G. (Advisor)
A.TAŞELİ(Student), Postgraduate, 2004 -
The Effects of inspection error and rework on quality loss for a nominal-the-best type quality characteristic
KÖKSAL G. (Advisor)
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An integrated QFD approach to determine quality improvement priorities in manufacturing
KÖKSAL G. (Advisor)
B.MERTOĞLU(Student), Postgraduate, 2003 -
Robust design of lithium extraction from boron clays by using statistical design and analysis of experiments
KÖKSAL G. (Advisor)
A.BÜYÜKBURÇ(Student), Postgraduate, 2003 -
Customer relationship management system design for METU-Online
KÖKSAL G. (Advisor)
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Robust design of lithium extraction from boron clays by statistical design and analysis of experiments
KÖKSAL G. (Advisor)
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Development and application of control charts for an aircraft wing tip point production process
KÖKSAL G. (Advisor)
G.ŞAHİNSEV(Student), Postgraduate, 2002 -
A study on number of samples needed for application of ewmast and arma charts in monitoring autocorrelated processes /
KÖKSAL G. (Advisor)
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Development and aplication of control charts for an aircraft wing tıp part production process.
KÖKSAL G. (Advisor)
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A Study on number of samples needed for application of EWMAST and ARMA charts in monitoring autocorrelated processes
KÖKSAL G. (Advisor)
B.KANTAR(Student), Postgraduate, 2002 -
A Model and its application for efficiency measurement of departments within an engineering faculty
KÖKSAL G. (Advisor)
B.NALÇACI(Student), Postgraduate, 2001 -
A modified theory of constraints approach to determine quality improvement priorities in manufacturing
KÖKSAL G. (Advisor)
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A Study of the student placement system for the higher education institutions in Turkey
KÖKSAL G. (Advisor)
Ö.YAZLALI(Student), Postgraduate, 2001 -
Development and application of Q-charts for multivariate statistical process control
KÖKSAL G. (Advisor)
O.IŞIK(Student), Postgraduate, 2001 -
A Modified theory of constraints approach to determine quality improvement priorites in manufacturing
KÖKSAL G. (Advisor)
U.KAAN(Student), Postgraduate, 2001 -
An Expert system for quality control charts selection
KÖKSAL G. (Advisor)
N.MALAK(Student), Postgraduate, 1999 -
A model for performance measurement of total quality teams and an application in a private hospital.
KÖKSAL G. (Advisor)
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Quality information system design for performance appraisal of a self-directed team in a private hospital
KÖKSAL G. (Advisor)
E.ELMASYAZAR(Student), Postgraduate, 1997 -
A Conceptual model for quality information system and a policy deployment framework for a hospital
ÖZDEMİREL N. E.(Co-Advisor), KÖKSAL G. (Co-Advisor)
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Analysis of industrial engineering education stakeholder requirements and their deployment to main education design requirements.
KÖKSAL G. (Advisor)
A.EĞİTMAN(Student), Postgraduate, 1997 -
A Method for finding final weights of customer requirements in quality function deployment
KÖKSAL G. (Advisor)
Ö.AYLİN(Student), Postgraduate, 1996 -
Noise simulation through design of experiments in a noisy laboratory
KÖKSAL G. (Advisor)
T.GÜLERYÜZ(Student), Postgraduate, 1995