Ehsan Jafari work email
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Ehsan Jafari personal email
Strong understanding of transportation industry and expert in operations research techniques and tools, software development and statistics. I’m very passionate about quality research, as indicated by my academic accomplishments, and enthusiastic about solving real-world problems, as demonstrated by my involvement in multiple projects at Optym and Amazon.When it comes to work, I’m very enthusiastic, trustworthy, hardworking, quick in understanding the project requirements, able to think and work independently, and also a real team player. I can handle multiple tasks simultaneously, and also very flexible to work on different tasks based on the project and company needs. I’m able to work on a project end-to end all the way from meeting clients, understanding the business and documenting the requirements to mathematically formulating the problem, designing solution algorithm, implementing the algorithm, analyzing the outcomes and extracting insightful results.
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AmazonAustin, Tx, Us
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Applied ScientistAmazon Nov 2019 - PresentSeattle, Wa, Us- Developed algorithms for time series forecasting using machine learning and deep learning techniques - Implemented an algorithm for modeling the impact of moving holidays in time series forecasting- Worked on the idea of transfer learning for forecasting time series with limited history
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Senior Operations Research ScientistOptym Jul 2017 - Nov 2019Dallas, Texas, Us- Worked on a flight cancellation algorithm and developed maintenance-feasible aircraft lines - Led development and implementation of an algorithm to distribute the workload optimally between flight dispatchers - Proposed a mathematical model for handling check-in counter and baggage carousel assignment tasks - Led development and implementation of a multi-stage MIP model for scheduling a fleet of seaplanes - Developed an interface for Knitro solver (a nonlinear solver) for internal purposes - Helped with development and implementation of optimization algorithms for airline frequency planning - Responsible for development and implementation of an algorithm determining the optimal sequence for harvesting cathode plates in a copper mine - Developed a fast procedure for checking the feasibility of inserting new orders into a route -
Graduate Research AssistantThe University Of Texas At Austin Aug 2013 - Jun 2017Austin, Tx, Us- Developed a spatial decomposition scheme for traffic assignment on large-scale networks- Designed a new algorithm for network contraction- Evaluated impact of information communication technologies on evacuation decision-making and traffic congestion- Proposed a profitable dial-a-ride system to promote ride-sharing systems in urban areas- Formulated a priori routing of electric vehicles in stochastic and time varying networks- Designed charging pricing policies to coordinate charging behavior of battery electricvehicles- Evaluated the influence of fuel price on transit elasticity -
Graduate Teaching AssistantsThe University Of Texas At Austin Jan 2015 - Dec 2015Austin, Tx, UsProbability and Statistics, Fall and Spring 2015- Led weekly problem-solving and discussion sections for 20-25 students, hold office hours, conducted review sessions for the final exams, and helped design exams
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Research EngineerCenter For Transportation Research 2013 - 2014- Developed a bi-level approach for centroid connector placement for dynamic trafficassignment models- Contributed to development of transit accessibility measures for a schedule-based transitassignment model- Helped in estimating a logit transit route choice model using on-board transit survey data- Assessed the impacts of eco-routing in a dynamic traffic assignment framework
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Graduate Teaching AssistantUniversity Of Arizona Jan 2013 - May 2013Tucson, UsStatics, Spring 2013- Hold office hours and graded weekly homework -
Graduate Research AssistantUniversity Of Arizona 2011 - 2013Us -
InstructorKerman Institute Of Higher Education Aug 2010 - Dec 2010Optimal Communication, Fall 2010- Prepared course lectures, exams, homework, and practice problems
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Summer Research InternKerman Tablo Electrical And Electronics Engineering Corporation Jun 2007 - Aug 2007- Studied planning and design of low voltage and medium voltage switchgears
Ehsan Jafari Skills
Ehsan Jafari Education Details
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The University Of Texas At AustinCivil Engineering -
University Of ArizonaCivil Engineering
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University Of TehranElectrical Engineering
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University Of KermanElectrical Engineering
Frequently Asked Questions about Ehsan Jafari
What company does Ehsan Jafari work for?
Ehsan Jafari works for Amazon
What is Ehsan Jafari's role at the current company?
Ehsan Jafari's current role is Senior Applied Scientist, Amazon.
What is Ehsan Jafari's email address?
Ehsan Jafari's email address is ja****@****zon.com
What schools did Ehsan Jafari attend?
Ehsan Jafari attended The University Of Texas At Austin, University Of Arizona, University Of Tehran, University Of Kerman.
What skills is Ehsan Jafari known for?
Ehsan Jafari has skills like Matlab, Simulations, Latex, Algorithms, Linear Programming, Operations Research, Mathematical Modeling, Java, Arcgis, Microsoft Office, Simulink, C++.
Who are Ehsan Jafari's colleagues?
Ehsan Jafari's colleagues are Hamza Kerfal, Thinh Pham, Yanjun Wang, Laor Koriat, Christine Sologia, Dhara Patel, Bj Gill.
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