Arkajyoti Roy 440 W. Barry Ave, Apt 902, Chicago, IL 60657 [email protected] Tel: (765) 714-8975 EDUCATION Oct 2013 – present Pre-Doctoral Fellow, Industrial Engr. and Mgmt. Science – Northwestern University Advisor: Professor Omid Nohadani Contribution: Dynamic Uncertainty Management Ph.D. Industrial Engineering – Purdue University, GPA of 3.96/4.00 Aug 2010 – May 2015 Advisor: Professor Omid Nohadani Thesis: Robust Optimization in Radiation Therapy B.S. Industrial Engineering – Purdue University, GPA of 3.60/4.00 (expected) Aug 2006 – Dec 2009 Dean’s List (all semesters), Semester Honors (5 semesters) JOURNAL PUBLICATIONS (PEER REVIEWED) A. Ro, J. Seco & O. Nohadani, On Spatiotemporal Data-incorporation in IMRT Planning, submitted (2014) A. Roy, I. Das & O. Nohadani, On Effectiveness of Point-wise DVH Constraints, in revision (2014) A. Roy & O. Nohadani, Dynamic Multi-Objective Radiation Therapy, working paper (2014) CONFERENCE PUBLICATIONS (PEER REVIEWED) A. Roy & O. Nohadani, Time-Resolved Stochastic IMRT Planning, Medical Physics 2013; 40(6):354 A. Roy, I. Das, S. Srivastava, & O. Nohadani, Analysis of Planner Dependence in IMRT. Medical Physics 2013; 40(6):260 A. Loveless, A. Roy, I. Das, & O. Nohadani, On Augmented DVH Analysis. Medical Physics 2013; 40(6):261 O. Nohadani, C. Medawar, A. Roy, S. Srivastava, & I. Das, Metrics for Comparing Dose Volume Histograms, Medical Physics 2012; 39(6):3851 AWARDS Health Systems Optimization Workshop (NSF Sponsored), Chicago IL – Best Poster Award 2014 Radiation Therapy Workshop II, Bethlehem PA – NSF Travel Grant 2014 American Association of Physicists in Medicine Regional, Erlanger KY – Best Paper Award 2013 Excellence in Teaching Award (Magoon) at Purdue University– Best Teaching Assistant 2012 – 2013 Excellence in Teaching Award (Magoon) at Purdue University – Best Teaching Assistant 2011 – 2012 Dean’s List (7 semesters), Semester Honors (5 semesters) at Purdue University 2006 – 2009 RESEARCH EXPERIENCE Northwestern Memorial Hospital, Chicago IL Clinical Researcher Oct 2013 - present Patient data analysis in Pinnacle treatment planning system. Demonstrated significant variance in patient plans using econometric modeling. Identified possible anatomical sources of variations (in collaboration with medical physicists). Industrial Engineering and Management Science, Northwestern University, Evanston IL Pre-Doctoral Fellow Oct 2013 - present Developed dynamic programming model for radiation therapy treatment planning. Improved spatiotemporal dose conformity. Mitigated uncertainty from human bias with anatomically-driven multi-criteria optimization. Industrial Engineering, Purdue University, West Lafayette IN Research Assistant Aug 2010 - present Developed robust optimization model for temporally non-uniform radiation therapy plans. Implemented numerical computations of large scale robust model using L-BFGS method. Improved clinical outcomes by ≈ 17% compared to conventional planning, even under worst-case scenarios. Reported significant human bias in plan evaluation using statistical modeling (in collaboration with Indiana University Simon Cancer Center). Established unbiased quantitative metric for treatment plan evaluation. Mentored undergraduate researchers in statistical modeling. TEACHING EXPERIENCE Northwestern University, Evanston IL Assistant, IEMS 202A, Probability Oct 2014 – present Topics: Random variables and distributions, and Monte Carlo simulation. Grader, IEMS 326, Economics and Finance for Engineers Apr 2014 – Jun 2014 Topics: Risk and return, investment and capital budgeting decisions under uncertainty. Purdue University, West Lafayette IN Teaching Assistant, IE 343, Engineering Economics (class size ~ 160) Aug 2014 – present Topics: Fundamental accounting concepts, and time value of money. Teaching Assistant, IE 536, Stochastic Models in Operations Research I (class size ~ 25) Jan 2013 – May 2013 Topics: Discrete and continuous time Markov processes, queuing theory, and inventory models. Developed review sessions. Student evaluation: 4.3/5.0 (10 responses) – Spring 2013 Teaching Assistant, IE 330, Probability and Statistics in Engineering II (class size ~ 180) Aug 2011 – Dec 2012 Topics: statistical inference, experimental design and statistical software packages (Minitab and Excel). Instructed class once per week. Supervised team of teaching assistants. Student evaluations: 4.6/5.0 (58 responses) – Fall 2011 (Purdue University, Annual Best TA award) 4.8/5.0 (136 responses) – Spring 2012 4.8/5.0 (80 responses) – Fall 2012 (Purdue University, Annual Best TA award) WORK EXPERIENCE Siemens Energy and Automation Inc., Elgin IL Senior Design Student, Purdue University Aug 2009 – Dec 2009 Designed and implemented pilot Kanban replenishment process for small parts on assembly floor. Achieved increased material availability and assembly utilization, improved delivery time, and reduced order throughput time from implementation of Kanban process. Motorola Inc., Schaumburg IL Operations Intern, Government and Public Safety May 2009 – Aug 2009 Developed and validated new throughput model for software development using productivity, efficiency, yield, and cycle time. Distinguished significant PIs and bottlenecks in the process, using statistical analysis and simulation models. Engineering Projects in Community Service (EPICS), West Lafayette, IN Financial Controller, Center on Structured Organic Particulate Systems (CSOPS) Jan 2008 – May 2008 Recorded new financial transactions on existing budget and consolidated annual accounts. Designed and assembled “tabletop” pharmaceutical manufacturing line. CONFERENCE PRESENTATIONS Seminars INFORMS Annual Conference (Session Chair), San Francisco, CA Nov 2014 Dynamic Multi-Objective IMRT Health Systems Optimization Workshop (invited), Chicago IL Sep 2014 On Spatiotemporal Data-Incorporation in IMRT Planning INFORMS Annual Conference (invited), Minneapolis MN Oct 2013 Dynamic Multi-objective Radiation Therapy INFORMS Healthcare Conference (invited), Chicago IL June 2013 Time-Resolved Stochastic IMRT Planning American Association for Physics in Medicine, Regional Spring Symposium, Erlanger KY Mar 2013 Time-Resolved Stochastic IMRT Planning INFORMS Annual Conference, Phoenix AZ Oct 2012 Robust Evolution Based Radiation Therapy INFORMS Annual Conference, Charlotte NC Nov 2011 Evolution Based IMRT Posters American Association for Physics in Medicine, Regional Spring Symposium, Columbus, IN Nov 2014 On Effectiveness of Point-Wise DVH Constraints Big 10+ Expo (invited), West Lafayette IN On Effectiveness of Point-Wise DVH Constraints Sep 2014 Health Systems Optimization Workshop, Chicago IL Sep 2014 On Effectiveness of Point-Wise DVH Constraints (best poster award) Radiation Therapy Treatment Planning Workshop II, Bethlehem PA May 2014 Time-Resolved Stochastic IMRT Planning AFFILIATIONS Omega Rho, INFORMS honors society (Purdue Chapter), member Nov 2012 - present Institute for Operations Research and the Management Sciences (INFORMS), member May 2011 – present Jan 2011 – present American Association for Physics in Medicine, member May 2009 – present Alpha Pi Mu, member Alpha Pi Mu (Purdue Chapter), Vice President May 2009 – Dec 2009 Society of Business Engineers, member Aug 2008 – Dec 2008 ACTIVITIES AND OUTREACH Jan 2013 – April 2013 Food Finders Food Bank, Lafayette IN, Volunteer Raising Awareness with Global Citizen, Lafayette IN, member Sep 2012 – present SOFTWARE PROFICIENCY Matlab, Minitab, SAS, R, ARENA, Python, GAMS, AutoCAD, AutoMOD REFERENCES Dr. Omid Nohadani Dr. J. George Shanthikumar Associate Professor Professor and Chair Industrial Engineering and Management Science Krannert School of Management Northwestern University Purdue University 2145 N. Sheridan Rd., Evanston IL 100 S. Grant St., West Lafayette IN Dr. Steve Landry Dr. Indra Das Associate Professor and Associate Head Vice Chair, Professor, and Director of Medical Physics Industrial Engineering Radiation Oncology Purdue University Indiana University 315 N. Grant St., West Lafayette IN 535 Barnhill Dr., Indianapolis IN
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