30_Professional Activity

TEACHING EXPERIENCE

• Teaching Assistant at the Department of Industrial Engineering, Pohang University of Science and Technology, Pohang, Korea

  • Operations Research I (undergraduate),  Spring 1998

  • Advanced Linear Programming (graduate), Spring 1999

  • Advanced Linear Programming (graduate), Fall 2000

• Teaching at Rutgers Business School

  • Demand Planning & Fulfillment (undergraduate), Spring 2013

• Teaching at School of Business and Information Systems, York College, The City University of New York (CUNY)

  • Production Operations Management (undergraduate), 3 Sections Fall 2013

  • Production Operations Management (undergraduate), 1 Section Winter 2014

  • Production Operations Management (undergraduate), 3 Sections Spring 2014

  • Materials and Inventory Production Control (undergraduate), 1 Section Spring 2014

  • Production Operations Management (undergraduate), 2 Sections Fall 2014

  • Production Operations Management (undergraduate), 1 Section Winter 2015

  • Production Operations Management (undergraduate), 2 Sections Spring 2015

  • Production Operations Management (undergraduate), 1 Section Summer 2015

  • Production Operations Management (undergraduate), 2 Sections Fall 2015

  • Production Operations Management (undergraduate), 2 Sections Spring 2016

• Teaching at the Department of Industrial and Management Engineering, Pohang University of Science and Technology, Pohang, Korea

  • Mathematical Programming (undergraduate) Fall 2016

  • Product, Production, Process and Design (undergraduate) Spring 2017

  • Production Planning & Control (undergraduate) Spring 2017

  • Scheduling Systems (Graduate) Fall 2017

  • Production Operations Management (undergraduate) Spring 2018

  • Operations Research I (undergraduate) Spring 2018

  • Introduction to IME (undergraduate) Fall 2018

  • Network Flows (graduate) Fall 2018

  • Production Operations Management (undergraduate) Spring 2019

  • Operations Research I (undergraduate) Spring 2019

  • Understanding IME (undergraduate) Fall 2019

  • Scheduling Systems (graduate) Fall 2019

  • Production Operations Management (undergraduate) Spring 2020

  • Operations Research I (undergraduate) Spring 2020

PH.D. STUDENT ADVISING

• Su Gao (Co-adviser), 2011 at Rutgers Business School.  

  • Current position: Assistant professor of Clark Atlanta University, Atlanta, GA

  • Thesis: On the integrated production and distribution problems in make-to order businesses

• Hui Dong (Co-adviser), 2014 at Rutgers Business School.  

  • Current position: Research Scientist at Amazon

  • Thesis: Emergency operations scheduling of a supply chain network in disaster reliefs 

• Xiaojuan Jiang , 2021 at POSTECH.  

  • Current position: Shanghai Jiao Tong University (Post-doc)

  • Thesis: Bicriteria Scheduling: Ideal and Approximation Schedules

EDITORIAL ACTIVITIES

• Associate Editor, Journal of Scheduling, 2012 – present 

• Associate Editor, International Journal of Production Research, 2016 – present 

• Associate Editor,  OR Spectrum, 2022 - present 

• Proceedings Editor, NBEA(Northeast Business & Economics Association) 2015 Conference, Jamaica, NY, November 5-7, 2015

• Member, Nicholson Prize Committee, INFORMS, 2011 – 2012

• Reviewer for:

  • Advances in Operations Research, Hindawi Publishing Corporation 

  • Annals of Operations Research, Springer

  • Applied Mathematics and Computation, Elsevier 

  • Asia-Pacific Journal of Operational Research, APORS

  • Computers and Operations Research, Elsevier

  • Decision Sciences, Decision Sciences Institute

  • European Journal of Operational Research, Elsevier

  • IEEE Transactions on Intelligent Transportation Systems, IEEE

  • IIE Transactions, Taylor & Francis

  • International Journal of Production Research, Taylor & Francis

  • Journal of Combinatorial Optimization, Springer

  • Journal of Manufacturing Systems, SME

  • Journal of Scheduling, Springer

  • Manufacturing and Service Operations Management (MSOM), INFORMS

  • Manufacturing and Service Operations Management (MSOM) 2010 Conference, INFORMS

  • Multidisciplinary International Scheduling 2019 Conference, MISTA

  • Naval Research Logistics, Wiley

  • Operations Research, INFORMS

  • OR Spectrum, Springer

  • Production and Operations Management, POMS

  • Theoretical Computer Science, Elsevier

  • Transportation Science, INFORMS

INVITED TALKS AND CONFERENCE PRESENTATIONS

• INFORMS 1999 Philadelphia, PA,          

  • “A Vector Sequencing Approach for the Steel Manufacturing Process Scheduling”

  • November 7-10, 1999

• INFORMS Spring 2000 Salt Lake City, Utah,

  • “The Use of Interval Graphs for the Steel-Mill Scheduling Problem” 

  • May 7-10, 2000

• INFORMS-KORMS 2000, Seoul Korea,        

  •  “Packing Problems for Scheduling Steel Manufacturing Processes” 

  • June 18-21, 2000

• APIEMS 2002 Taipei Taiwan, 

  • “Parallel Machine Scheduling with General Machine Shutdowns” 

  • December 18-20, 2002

• Seminar at Watson IBM Research Center, Yorktown Heights, NY

  • “Online scheduling with machine eligibility”

  • February 15, 2008

• Seminar at Operations Management group, Department of Information, Operations & Management Sciences, 

  • Stern school of business, New York University.        

  • “Combinatorial optimization problems in LCD panel manufacturing system”.

  • March 24, 2008

• INFORMS 2008 Washington D.C.,            

  • “Scheduling Jobs with Equal Processing Times Subject to Machine Eligibility Constraints” 

  • “Approximation Algorithms for Multi-agent Scheduling to Minimize Total Completion Time” 

  • October 12-15, 2008

• MSOM 2009 Cambridge, MA,      

  • “The Container Scheduling Problem”

  • June 29-30, 2009

• INFORMS 2009 San Diego, CA,    

  • “Online Scheduling on Uniform Machines Subject to Eligibility Constraints” 

  • “Container Scheduling Problem”

  • October 11-14, 2009

• Seminar at Operations Management group, Department of Information, Operations & Management Sciences, 

  • Stern school of business, New York University.      

  • “Combinatorial Optimization Problems in Production and Logistics”

  • November 2, 2009

• Seminar at Watson IBM Research Center, Hawthorne, NY 

  • “Combinatorial Optimization Problems in Production and Logistics”

  • November 6, 2009

• Presentation at Sy Syms School of Business, Yeshiva University, New York, NY

  • “Combinatorial Optimization Problems in Container Scheduling”

  • March 18, 2010

• INFORMS 2011 Charlotte, NC,    

  • “Production Scheduling with History-dependent Setup Times”

  • “Coordination Mechanisms with Hybrid Local Policies”

  • November 13-16, 2011

• INFORMS 2012 Phoenix, AZ,      

  • “Bi-Criteria Scheduling on Parallel Machines with Machine Costs”

  • “Supply Chain Scheduling with Renewable and Non-renewable Resources”

  • “A Solution Approach for Capacitated Multi-echelon Supply Chain Network Problem”

  • October 14-17, 2012

• Presentation at Decision Sciences Department, College of Business & Public Administration, 

  • Old Dominion University, Norfolk, VA              

  • “Combinatorial Optimization in Container Transportation”

  • April 12, 2013

• Presentation at School of Management, Marketing and International Business, 

  • Kean University, Union, NJ              

  • “Emergency Operations in Pharmaceutical Supply Chain Network”

  • June 4, 2013

• Presentation (online) at the Department of Industrial and Management Engineering, 

  • Pohang University of Science and Technology, Pohang, Korea

  • “Combinatorial Optimization in Container Transportation”

  • August 26, 2013

• Faculty Research Seminar Series at School of Business and Information Systems (SBIS), 

  • York College, City University of New York, Jamaica, NY

  • "Combinatorial Optimization in Container Transportation"

  • November 12, 2013

• MOPTA 2014 (Modeling and Optimization: Theory and Applications) 

  • Lehigh University, Bethlehem, PA        

  • "Two Dimensional Load balancing"

  • August 13-15, 2014

• INFORMS 2014 San Francisco, CA

  • “Fast approximation algorithms for bi-criteria scheduling with machine assignment costs”

  • “Steiner tree inequalities for clustering problems”

  • November 9-12, 2014

• INFORMS COMPUTING SOCIETY CONFERENCE 2015 Richmond, VA 

  • "Two Dimensional Load balancing"

  • "Integer Programming Approach for Tree Partitioning into Subtrees" (poster presentation)

  • January 11-13, 2015

• INFORMS 2015 Philadelphia, PA

  • “Improved Algorithms for Single Machine Scheduling with Release Dates and Rejections”

  • “Scheduling a Single Batching Machine with Makespan and Total Rejection Cost Objectives”

  • November 1-4, 2015

• Seminar at the Department of Industrial and Management Engineering, 

  • Pohang University of Science and Technology, Pohang, Korea

  • “A Heuristic for Emergency Operations Scheduling with Lead Times and Tardiness Penalties”

  • November 30, 2015

• POMS 2016 Orlando, FL

  • “Ideal Schedules on Parallel Machines”

  • May 6-9, 2016

• Presentation at POSCO Family Technical Conference 2016

  • Pohang, Korea

  • “Advanced Production Management by Optimization and Artificial Intelligence”

  • Aug 25-26, 2016

• INFORMS 2016 Nashville, TN

  • "An Improved Algorithm On Two-stage Scheduling With An Outsourcing Option"

  • November 13-16, 2016

• INFORMS 2016 Nashville, TN

  • "Ideal Schedules”

  • November 13-16, 2016

• KIIE 2017 joint annual meeting, Yeosu, Korea 

  • “An Improved Algorithm on Two-stage Scheduling with an Outsourcing Option”

  • April 26-29, 2017

• POMS International 2017 Tel Aviv, Israel,

  • “An Improved Algorithm on Two-stage Scheduling with an Outsourcing Option”

  • June 27-29, 2017

• INFORMS 2017 Houston, TX

  • “Online Scheduling of Ordered Flow Shops”

  • October 22-25, 2017

• INFORMS 2017 Houston, TX 

  • “An Extended Formulation of the Convex Recoloring Problem on a Tree”

  • October 22-25, 2017

• KIIE 2017 Annual meeting, Daejeon, Korea

  • “Online Scheduling of Ordered Flow Shops”

  • November 4, 2017

• KIIE 2018 Annual meeting,  Gyeongju, Korea

  • “Path Partitioning Problem with Terminal Node Constraints”

  • "Nodes Constrained Spanning Tree Problems "

  • "Process Innovation of Synchrotron Radiator using Time Indexed Single Machine Scheduling "

  • April, 4-7, 2018

• PMS 2018 Rome, Italy 

  • “A parallel machine scheduling problem with release dates, equal processing times, and eligibility constraints”

  • April 17-20, 2018

• INFORMS International 2018, Taipei, Taiwan

  • " Path Partitioning Problem with Terminal Node Constraints"

  • "Nodes Constrained Spanning Tree Problems "

  • "Process Innovation of Synchrotron Radiator using Time Indexed Single Machine Scheduling "

  • June, 17-20, 2018

• INFORMS 2018 Phoenix, AZ 

  • “A parallel machine scheduling problem with release dates, equal processing times, and eligibility constraints”

  • November 4-7, 2018

• MSOM International 2019 and SIG Meeting, Singapore. 

  • "Strategic Location Problem for Synchronized Last-mile Delivery with Relaying Drones"

  • June 30 - July 2, 2019

• INFORMS 2019 Seattle, WA

  • "Strategic Location Problem for Synchronized Last-mile Delivery with Relaying Drones"

  • "Development of Scheduling Algorithms For a Crowdsourced Delivery Persons"

  • "Process Innovation of Synchrotron Radiator Using Time Indexed Single-machine Scheduling"

  • "Approximation Algorithms For Bi-criteria Scheduling Problems"

  • October 20-23, 2019

• INFORMS 2019 Seattle, WA

  • "A Novel Methodology for Scheduling the Steelmaking - Continuous Casting Process"

  • October 20-23, 2019

• KSIAM 2019 annual meeting, Yousu, Korea

  • "Approximation Algorithms For Bi-criteria Scheduling Problems"

  • November 8 - 10, 2019

• POSTECH IME Department Seminar, Pohang, Korea

  • "Bicriteria Scheduling"

  • April 29, 2020

• Presentation at LG electronics Conference, Changwon, Korea

  • “Mathematical Optimization for Production/Logistics Operations”

  • Jul. 30, 2020

• The 22nd Conference of the International Federation of Operational Research Society (IFORS) 2021, Seoul, Korea

  • "The LPT rule for identical machines with small jobs"

  • "Approximation algorithms for bi-criteria scheduling problems"

  • "Strategic location problem for synchronized last-mile delivery with relaying drones"

  • "Workforce planning with crowdsourced logistics under regulations"

  • Aug. 23-27, 2021 (Online)

• Advances in Production Management Systems (APMS) 2021, Nantes, France, 

  • "An Iterated Greedy Matheuristic for Scheduling in Steelmaking-Continuous Casting Process"

  • Sep. 5-9, 2021, (Online)

• Scheduling Seminar, the 19th presentation 

  • “Scheduling Heuristics for Steelmaking Continuous Casting Processes”

  • YouTube Link: https://www.youtube.com/watch?v=9Kv7jKAbY8Y

  • Feb. 16, 2022 (Online) 

• CMSB 2022 - International Conference of Computational Methods in Systems Biology 2022, Bucharest, Romania

  • “Bilevel Integer Programming Approach for Solving Control Problems on Boolean Networks”

  • “Computational Complexity of Trap Spaces in Boolean Networks” (Poster)

  • Sep. 14-16, 2022 

• Advances in Production Management Systems (APMS) 2022, Gyeongju, Korea, 

  • "Rescheduling Problem for Heavy Cargo Logistics with Transporters"

  • Sep. 25-29, 2022, (Online/Offline hybrid)

• Korean Operations Research and Management Science Society (KORMS) 2022, Seoul, Korea

  • "Robust scheduling for a disruption risk"

  • Oct. 28, 2022

• Korean Institute of Industrial Engineers (KIIE) 2022, Incheon, Korea

  • "Robust scheduling for a disruption risk"

  • Nov. 4-5, 2022

• Korean Institute of Industrial Engineers (KIIE) 2022, Incheon, Korea

  • "Bilevel Integer Programming Approach for Solving Control Problems on Boolean Networks"

  • "Optimization of material flow planning for global corporation production schedule"

"해외 법인 생산 계획을 위한 최적화 기반 자재 배분 및 운송 계획 수립"

• • Nov. 4-5, 2022

• 2022 LG Manufacturing Innovation Forum, Pyungtaek, Korea
  2022  LG 제조혁신포럼

  • DX Technology and Application for Global Material Operation Optimization
    "Global 자재 운영 최적화를 위한 DX기술 및 적용 사례"

  • Nov. 23-24, 2022

• The 20th International Conference on the Integration of Constraint Programming, Artificial Intelligence, and Operations Research (CPAIOR) 2023, Nice, France,

  • "Iterated Greedy Constraint Programming for Scheduling Steelmaking Continuous Casting"

  • May 29-June 1, 2023

• Korean Institute of Industrial Engineers (KIIE) & Korean Operations Research and Management Science Society (KORMS) 2023, Jeju, Korea,

  • "Robust fleet management in crowdsourced last-mile delivery of online retailers: the role of a mix with private vehicles"

  • "A critical review of planning and scheduling in steel-making and continuous casting processes in the steel industry"

  •  "Computational complexity of minimal trap spaces in Boolean networks" (Poster)

  • "Analysis of Combining LPT and MULTIFIT Algorithms for Identical Parallel Machine Scheduling to Minimize The Makespan" (Poster)

  • May 31-June 3, 2023