The INFORMS Optimization Section was formed in the fall of 1995 and became a Society in 2004.

The Optimization Society has two goals:

  1. to promote the development and application of optimization methods and software tools for the solution of problems in Operations Research/Management Science, and
  2. to encourage the exchange of information among practitioners and scholars in the optimization area.


2020 INFORMS Optimization Society Conference is postponed. Read more here.

Optimization Society Prizes

The deadline for applying Optimization Society prizes are May 1st. Check the page for more details.

IOS Election Results

The INFORMS Optimization Society welcomes the new officers to the executive board:

Chair-Elect: Alper Atamturk, Chair-elect Term: 2020; Chair Term: 2021-2022.
Vice Chair, Computational Optimization and Software: Ruth Misener, Term: 2020-2021.
Vice Chair, Integer and Discrete Optimization: Merve Bodur. Term: 2020-2021.
Vice Chair for Network Optimization, Jose Walteros. Term: 2020-2021.
Vice Chair, Linear and Conic Optimization, Nathan Krislock. Term: 2020-2021.
Treasurer/Secretary: Andy Sun, Term: 2020-2021.
We congratulate the new officers but also thank everyone who ran for an officer position. Please note that all of the vice chairs will resume positions immediately in January 2020.

We thank all of the outgoing officers for their service and leadership.

Optimization Society Conference 2020

[POSTPONED] The INFORMS Optimization Society conference will take place on March 15-17, 2020 in Greenville, SC. See the conference page for details.

OS Newsletter issue is out

The Fall 2018 issue of the OS newsletter is now available. Check the newsletter page for the past editions.

Discussion platform

The INFORMS Optimization Society has a community web page. You are very welcome to join it and participate in its discussions.

Optimization Stories

The OS website has a page for Optimization stories: success stories of Optimization that are documented as videos and other easily shared formats.


  • Indianapolis, Indiana, Company Profile: Culligan Ultrapure is a Culligan Water franchise that started in 1962. The parent company, Driessen Water, Inc. has 23 locations spread across Minnesota, Indiana, and Texas. The company services residential, commercial, and industrial customers with water purification and softening systems. The company engineers water treatment systems and support for public and private clients to maximize performance while protecting public health and the environment. Position Description:  This position will focus on the selling and providing service agreements on water treatment solutions including drinking water, water filtration systems, water purity processes and services. Applicants must understand how to drive the business toward profitable growth and evaluate revenue generating opportunities with customers. Duties include: Develop commercial and industrial sales strategies. Optimize the efficiency of the sales process. Write quotes for industrial and commercial water purification products and follow-up on installation projects. Why Culligan Ultrapure: Because we are passionate about caring for employees and our customers. The C&I Sales Representative position at Culligan Ultrapure is career position that offers a lot of variety and interesting work. We provide an excellent environment to learn, grow, and interact with a variety of great people on daily basis.  We will provide you with the training and tools that you will need to be successful. Culligan is an established leader in the water treatment industry and has been providing problem water solutions for over 80 years.  When you come to work with us you are becoming part of a team who is customer focused and committed to improving lives of people in the community through providing them with great quality water. Job Qualifications: BS degree preferred with an emphasis in Sales or Marketing. 5+ years of sales experience and preferred experience in the water industry. Position requires a great amount of energy, strong organizational, communication and presentation skills. Demonstrated passion for excellence with respect to treating and caring for customers. Excellent time management and analytical skills Company Benefits: Competitive wages Health, dental, vision Paid holidays and excellent PTO plan Great 401k matching Employee referral program and customer referral bonus program Education assistance
  • Wenzhou, China, Wenzhou-Kean University Assistant/Associate/Full Professor in Business Analytics Along with NYU Shanghai and Duke University Kunshan, Wenzhou-Kean University (WKU) is one of only three full legal-person Sino-American universities with all English instruction approved by the Ministry of Education in China. We invite research-oriented applicants for full-time tenure track positions at the rank of Assistant or Associate Professor in Management with an emphasis in Business Analytics to begin in Fall 2021. Successful candidates would conduct scholarly research, perform services, and teach in Business Analytics and related fields such as HR/People Analytics, Management Science, Operations; MIS; and other general management and other upper-level courses. Minimum Qualifications: Doctorate degree in Data and Business Analytics/MIS/ HR/People Analytics or related fields. Exceptional ABDs with teaching and research experience may be considered. Publications in high-quality, peer-reviewed journals  Specific Requirements: Knowledge of working with popular analytics software tools and languages commonly used in industry such as SAS, IBM SPSS Modeler, Python, R, Tableau. Applicants with teaching, research and/or practice interests and experience in application of Data and Business Analytics including HR/People Analytics, Enterprise Resource Planning (ERP), Industry 4.0, and Internet of Things (IOT) within the context of the above areas are strongly encouraged to apply. To receive full consideration by the search committee, candidates need to submit a cover letter, CV, research statement, unofficial transcripts and contact information for three references by email to: Search Committee Chairperson at wkucbpm@wku.edu.cn . Official transcripts for terminal degrees and three current letters of recommendation are required before appointment.  WKU sits on over 500 beautiful acres with a new state-of-the-art facility (http://www.wku.edu.cn/en/cbpm/). A city of 9 million people, Wenzhou is only one hour by plane and just over three hours by high-speed train from Shanghai and Hong Kong. Business faculty positions at WKU offer: Highly competitive salaries that are multi-year Tax-Free for citizens of countries such as the U.S.A. Generous home leave, housing, schooling, and relocation allowances, as well as 8% front-load retirement benefits with immediate vesting. Research funding A collegial environment The opportunity to teach high quality students with half of them go to the graduate schools at Top 50 Universities in the world. Wenzhou-Kean University is an Equal Opportunity Employer  
  • Bronx, New York, Aramark Healthcare is seeking candidates for a Sr. Director of Plant Operations & Maintenance at BronxCare Health System, located in Bronx, NY. The Sr. Director - Plant Operations & Maintenance (POM) plans, administers and directs all activities related to Plant Operations & Maintenance and will have client financial accountability, and be in compliance with the standards established by Aramark and the client.  Establishes and maintains effective working relationships with other departments to provide a unified approach to POM management.   Responsible for the development & growth of a large management team and hourly associates.  Will also focus on meeting and exceeding operating and financial goals, client objectives, KPI metrics, and customer needs. Will have daily interaction with the client, client's customers and employees. This individual will be focused on ensuring operational excellence in the delivery of the services Aramark is contracted to provide.   LEADERSHIP EXPECTATIONS: Demonstrates a high level of visionary leadership, balanced judgment and disciplined execution Process-focused and decisive to ensure effective execution of all strategies/initiatives in order to meet company & client needs with a high standard of excellence, urgency & predictability Relentless commitment to safety excellence, demonstrates behaviors that drive a Safety FIRST core value, fosters a culture where every team member is empowered & supported to achieve a work environment without exposures and incidents - where No One Gets Hurt Creates a great employee work environment & inspires teamwork and partnership at all levels - internally and externally Is a visible servant leader, leading from the heart to serve, encourage, support and lift others up, while role modeling the Aramark Mission - deliver experiences that enrich & nourish lives Intense focus on our Values - Sell & Serve with Passion; Front Line First; Set Goals. Act. Win.; Integrity and Respect Always  RESPONSIBILITIES: Will manage a large POM department Manage all facets of the organization including full P&L responsibility and controlling assets with operating revenue, and will manage labor costs, supply costs and inventories  Complete and approve weekly and monthly financial operating reports Order, maintain, and use capital equipment efficiently Ensures compliance with all contract obligations Ensures the effective implementation of the comprehensive Safety Plan, driving full compliance of all safety rules, guidelines and protocols Optimize financial performance, process accuracy and logistics productivity by conducting operational audits and ensuring a high level of execution and compliance Drive operational efficiencies, labor/scheduling productivity Drive a positive work environment and utilize effective communication skills at all levels of the organization Provide overall direction and control to a large/complex account to achieve operating and financial goals Responsible for the training, development and performance management of personnel, operations managers and hourly associates Deliver strong operational performance by ensuring compliance with Aramark Facilities Services and regulatory agency standards and programs and translating corporate strategy into front line operational tactics and will ensure compliance with all OSHA regulations and other, local, state, and federal government regulations Lead development of team ensuring high performance, talent succession planning, optimal staffing and employee engagement Establishes and maintains effective communications and business relationships with clients/customers Ensure that client objectives are fully met by maintaining active customer relationships including formal structured monthly business reviews Ensures consistent application and regular use of a computerized work order system to properly manage the operation Bachelor Degree in Engineering required.  Minimum 5 to 7 years of experience in POM management required. Acute Care Hospital experience required.  Working knowledge of facility related equipment such as boilers, chillers, generators, HVAC/R required Facilities Management Certification such as Certified Plant Maintenance Manager (CPMM) or equivalent is strongly preferred Proficient in the use and functionality of a computerized work order system.  Will be responsible for financial analysis and interpretation Prior experience in mentoring and developing management level staff is required, as is experience leading 30+ person staff of managers and hourly associates High degree of integrity and business maturity Previous P&L experience required managing budgets in the multi-millions within the facilities industry, with a proven track record of growing accounts Demonstrated time management skills, resulting in the ability to manage client relationships and prioritize time and resources accordingly Ideal candidates will possess a high energy level that is communicated to the team they will lead Demonstrate proven success in interfacing with a variety of organizational functions and considerable negotiation skills are also needed to drive results The ability to manage in a diverse environment with focus on client and customer services is a key success measure Highly developed interpersonal, analytical and communication (written and verbal) skills and experience are essential for success in this role Candidates must possess a demonstrated attention to detail and ability to lead directly and through influence.  Comprehensive Benefits package plus VAC, PTO and HOL
  • Chicago, Illinois, Company Description McDonald’s is proud to be one of the most recognized brands in the world, with restaurants in over 100 countries that serve 70 million customers daily. As the global leader in the food service industry, our legacy of innovation and hard work continues to drive us. From drive thru updates to delivery to mobile order and pay, we are innovating quickly and growing. Joining McDonald's means thinking big and preparing for a career that can have influence around the world. At McDonald’s, we see every day as a chance to create positive impact. We lead through our values centered on inclusivity, service, integrity, community and family. From support of Ronald McDonald House Charities to our Youth Opportunity project and sustainability initiatives, our values keep us dedicated to using our scale for good: good for our customers, people, industry and planet. We also offer outstanding benefits including a sabbatical program, tuition assistance and flexible work arrangements. While most of us are working remote during COVID-19, we're excited to get back to our state-of-the-art headquarters in the booming West Loop of downtown Chicago! It's set up to be a global hub that cultivates collaboration: Take a class at Hamburger University Sample future items in our Test Kitchen Utilize the latest technology to connect with your team around the globe We are an equal opportunity employer committed to the diversity of our crew members, staff, operators, and suppliers. We promote an inclusive work environment that creates feel-good moments for everyone. We are interested in people who enhance our company culture: Does this role interest you? We encourage you to apply even if you don’t meet every single requirement! Job Description This position sits within the Global Operations Research group working out of the Chicago West Loop headquarters. A successful candidate will serve as an internal consultant to corporate functional teams and country Operations leaders on operational continuous improvement and innovation efforts. Business Questions supported could include: Service & Kitchen platform optimization; assessment of new product, equipment, procedures, or staffing/positioning guides; new restaurant concept design; Restaurant capacity planning; Projection of operational impact of shifting trends in consumer behavior The candidate will work cross functionally with teams representing Corporate Operations, Real Estate Development/Strategy, Restaurant Design, IT, Strategy, Digital, & Market Operations and Analytics. Position Purpose Provide direct consulting support to country Operations leaders and Home Office functional partners to frame business challenges and opportunities, identify methodologies to virtually prototype and test potential solutions, and provide guidance for solution development and implementation Analyze and evaluate existing operational systems and processes to find opportunities for enhanced efficiency, increased capacity, and more consistent performance. Optimize process design and simulation processes, procedures, and tools to ensure speed to insight, quality of results, and scalability of services The ideal candidate will be: Committed to deeply understanding the details of current restaurant operations Knowledgeable and skilled in System Design, Continuous Improvement, Project Management, Operations, Process Design, Modeling and Simulation, Insights & Analytics Skilled at understanding complex processes Skilled at telling stories with quantitative data to audiences at all levels Equally comfortable leading external vendors to execute projects and rolling up his/her sleeves to manage data and perform analytics Self-starter who is confident working under tight timelines & competing demands Principal Accountabilities Serve as process design lead for cross functional innovation projects and global market-facing consulting engagements Collaborate with cross-functional teams to gain insight and define the direction and methodologies to address business challenges Utilize process mapping and principles of mathematics, science, and engineering to understand and quantify processes Identify opportunities to improve throughput, capacity, and customer experience and prevent waste and inefficiency Provide insights and tools to support global Operations continuous improvement efforts Develop DOEs for testing potential solutions Support the development of valid and reliable innovation center lab tests and in-restaurant tests Build, maintain and productionalize discrete event simulation models to support the global Restaurant Solutions Group, functional partners, and global markets. Build and maintain the global service/production process documentation (e.g., process flows, time and motion studies, engineered standards, etc) Champion data driven Operations decision making and support the development of process design and simulation skills with market partners Qualifications Bachelor’s Degree in Operations Research, Industrial Engineering, Management Science or related field. Master’s or Ph.D. preferred Minimum 5 years business experience with dynamic responsibility in executing and leading process design and simulation/testing efforts Expertise with Arena Simulation Software required Prior consulting experience is highly preferred Knowledge of continuous process improvement processes, methods, and programs, such as Kaizen, Six Sigma, Lean, 5S and the appropriate application of each. Big Data Analytics skills a plus: Querying languages (SQL, Postgres), open source data/analytics languages (Python), expertise with data analytics platforms (Alteryx), strong skills with data visualization tools (Tableau) Advanced Microsoft Office Skills Periodic travel to company locations in the U.S. and internationally for consulting, training or data collection (less than 20% travel commitment) Additional Information McDonald’s is committed to providing qualified individuals with disabilities reasonable accommodations to perform the essential functions of their jobs. Additionally, if you (or another applicant of whom you are aware) require assistance accessing or reading this job posting or otherwise seek assistance in the application process, please contact  recruiting.supportteam@us.mcd.com   McDonald’s provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to sex, sex stereotyping, pregnancy (including pregnancy, childbirth, and medical conditions related to pregnancy, childbirth, or breastfeeding), race, color, religion, ancestry or national origin, age, disability status, medical condition, marital status, sexual orientation, gender, gender identity, gender expression, transgender status, protected military or veteran status, citizenship status, genetic information, or any other characteristic protected by federal, state or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training. Nothing in this job posting or description should be construed as an offer or guarantee of employment. Please send resumes to: benjamin.albovias@us.mcd.com
  • Irvine, California, The Senior Engineer, Designer (Plastics) for World Wide Engineering - Molding is a technical role supporting manufacturing sites by ensuring that injection molded parts used in commercial environment are robust, harmonized & scalable utilizing best practice in part design, development, technologies, process capable, validated per design control and compliant with Regulatory requirements.  This role is responsible for plastic part design and development with involvement in injection mold tooling and injection molding processes including design for manufacturability, MoldFlow analysis and production release at suppliers.  In addition, this role is part of a cross-functional team that is responsible for supporting sourcing strategies including supplier recommendation, evaluation and development.  This position reports directly to the Senior Manager, Molding Engineering and resides in the Irvine location.   Essential job functions: Provide support to Engineering, Manufacturing and R&D in plastics engineering, plastic part design with MoldFlow analysis, injection mold design/construction and injection mold processing.  Apply technical knowledge to innovate, design, develop processes, define requirements, establish procedures and implement tooling in support of thermoplastic injection molding and silicone liquid injection molding (LIM). Lead Design for Manufacturability (DFM) input during product development phases including plastic part design and mold design & construction. Support thermoplastic and silicone processing and tooling troubleshooting, and drive problem solving with suppliers. Manage the implementation of new injection molds at suppliers.  Drive process optimization and capability using scientific injection molding principles including process improvement opportunities and innovation on commercial products.  Project management from feasibility through implementation including charter & scope, detailed plan, defined schedule, risks mitigation, progress report and cost management.  Escalate project risks to management, as required.  In addition, plans, organizes, and conducts all aspects of technical reviews. Supports IQ/OQ/PQ efforts within Edwards and at suppliers.  Ensures proper documentation is completed to meet quality systems requirements. (e.g., Design Reviews, Component Dwgs, FMEA’s, Mfg Procedures, BOM’s, Routers, etc.). Perform other duties and responsibilities as assigned. Required Qualifications: Bachelor's degree in engineering is required. Minimum of four (4) years of experience in providing technical engineering support in manufacturing and demonstrated track record in executing large scale projects.   Preferred Qualifications: Degree in plastics engineering is preferred. Medical device industry preferred. Technical knowledge and leadership in the area of plastics engineering, plastic part design, injection mold design & construction and injection molding process. Strong expertise with ProE/Creo and SolidWorks solid modeling CAD.  Prefer MoldFlow simulation software knowledge. Phase gate product development knowledge with plastic components including DFM expertise. Knowledge in the area injection molding and injection mold construction. Supplier relationship building, development and project support. Problem-solving, analytical and critical thinking skills including high discretion/judgment in decision making. Knowledge of technical manufacturing operations preferably in medical devices and process excellence methodologies such as Six Sigma, and FDA regulations, cGMP, ISO standards and EH&S guidelines. Proven successful project management skills. Ability to manage competing priorities in a fast-paced environment. Excellent documentation, communication and interpersonal skills.  Ability to translate complex and technical information to all levels of the organization. Innovative and strong execution skills with a demonstrated ability to deliver on short- and long-term strategic goals. Proven expertise in IT platforms, preferably Microsoft Office Suite and manufacturing systems (e.g., PLM, Windchill, Ignite). Ability to travel approximately 20%: domestic and international.  


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