This document is a resume for John Kret, who has over 20 years of experience in information technology, data analysis, and business analysis. He has held roles at Aramark Healthcare Technologies and Ryerson, Inc, where he developed software applications and data warehouses, led teams, and achieved operational savings and increased revenue. He is skilled in Oracle, SQL Server, Crystal Reports and other technologies. He is now seeking a leadership role in an IT department where he can manage projects and business processes.
Testing professional, with over 5 years of expertise in Manual Testing, Production Support and Problem Management.
College graduate with interest in database management, proven analytical skills and experience in SQL & UNIX. Function as an analyst in web portal testing & production support in telecom billing domain.
Testing professional, with over 5 years of expertise in Manual Testing, Production Support and Problem Management.
College graduate with interest in database management, proven analytical skills and experience in SQL & UNIX. Function as an analyst in web portal testing & production support in telecom billing domain.
I am an accomplished certified Data Science professional with 8 + years of experience, looking for Data Scientist/Data Analyst/Data Engineer Position in a reputed organization. I have played strategic role in driving business solution and business growth through innovation and thought leadership in analytics technology/product domain. With an avid intellectual curiosity, and the ability to mine hidden gems located within large sets of structured, semi-structured and unstructured data. Able to leverage a heavy dose of mathematics and applied statistics with visualization and a healthy sense of exploration. Delivers efficient and reliable IT solutions and excels in building/leading teams in high-pressure environments. Have experience on Big Data Hadoop, Data Science, Data Mining, Business Intelligence & Analytics, Database Architecture and Incident Management area. In the recent past lot of my work has been in the Predictive & Prescriptive Analytics arena
I am an accomplished certified Data Science professional with 8 + years of experience, looking for Data Scientist/Data Analyst/Data Engineer Position in a reputed organization. I have played strategic role in driving business solution and business growth through innovation and thought leadership in analytics technology/product domain. With an avid intellectual curiosity, and the ability to mine hidden gems located within large sets of structured, semi-structured and unstructured data. Able to leverage a heavy dose of mathematics and applied statistics with visualization and a healthy sense of exploration. Delivers efficient and reliable IT solutions and excels in building/leading teams in high-pressure environments. Have experience on Big Data Hadoop, Data Science, Data Mining, Business Intelligence & Analytics, Database Architecture and Incident Management area. In the recent past lot of my work has been in the Predictive & Prescriptive Analytics arena
Global, business-focused, strategic Senior Executive. Leads complex business transformations, and drives performance improvements with world-class solution delivery. Skilled in anticipating shifting business needs and proactively adapting IT direction that creates new opportunities and drives business results. Adept at building and leading large teams through complex, enterprise-wide change.
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Techniques to optimize the pagerank algorithm usually fall in two categories. One is to try reducing the work per iteration, and the other is to try reducing the number of iterations. These goals are often at odds with one another. Skipping computation on vertices which have already converged has the potential to save iteration time. Skipping in-identical vertices, with the same in-links, helps reduce duplicate computations and thus could help reduce iteration time. Road networks often have chains which can be short-circuited before pagerank computation to improve performance. Final ranks of chain nodes can be easily calculated. This could reduce both the iteration time, and the number of iterations. If a graph has no dangling nodes, pagerank of each strongly connected component can be computed in topological order. This could help reduce the iteration time, no. of iterations, and also enable multi-iteration concurrency in pagerank computation. The combination of all of the above methods is the STICD algorithm. [sticd] For dynamic graphs, unchanged components whose ranks are unaffected can be skipped altogether.
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Adjusting primitives for graph : SHORT REPORT / NOTESSubhajit Sahu
Graph algorithms, like PageRank Compressed Sparse Row (CSR) is an adjacency-list based graph representation that is
Multiply with different modes (map)
1. Performance of sequential execution based vs OpenMP based vector multiply.
2. Comparing various launch configs for CUDA based vector multiply.
Sum with different storage types (reduce)
1. Performance of vector element sum using float vs bfloat16 as the storage type.
Sum with different modes (reduce)
1. Performance of sequential execution based vs OpenMP based vector element sum.
2. Performance of memcpy vs in-place based CUDA based vector element sum.
3. Comparing various launch configs for CUDA based vector element sum (memcpy).
4. Comparing various launch configs for CUDA based vector element sum (in-place).
Sum with in-place strategies of CUDA mode (reduce)
1. Comparing various launch configs for CUDA based vector element sum (in-place).
1. John Kret
6900 West 29th Place Berwyn, Illinois 60402 Phone: (708) 203 - 5889 JohnSKret@gmail.com
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M T S D a t a A n a l y s t
METALS DISTRIBUTION PROCUREMENT STRATEGIC RESOURCE OPTIMIZATION MULTIPLE PROJECT OVERSIGHT
SYSTEMS ANALYSIS SOLUTIONS FOCUSED PROBLEM SOLVING CROSS FUNCTIONAL TEAM LEADERSHIP
STAKEHOLDER & CUSTOMER RELATIONSHIP CULTIVATION PROGRAMMING DATA WAREHOUSE DEVELOPMENT
Resourceful, pioneering, innovative information technology professional with extensive background in
systems analysis, programming, and data warehouse development in the metals distribution and food
service industries is looking to join the leadership team of a growth-oriented company. Searching for a
role that provides support for a wide variety of Information Technology divisional and/or departmental
projects. This quest is not just to find a job; it is to further an established career managing Information
Technology business processes.
Core Competencies
20+ years of direct experience Extensive experience in IT support processes
Creative problem solver with a keen eye for detail Superb communication / relationship cultivation skills
Dedicated hands-on team leader Thrives in fast-paced work settings
Effectively handles multiple priorities Software Training / Computer Operations
Enthusiastic team player who leads by example
Experience in Oracle & Sql Server
Well-respected by peers and superiors
Crystal Reports
Qualification Highlights
Documented track record for astutely assessing and enhancing business systems, improving business practices,
and experiencing operational savings in excess of $500,000.
Partner with all levels of management to support and attain long term company objectives by streamlining
processes, additional resources include reducing operating costs, improving efficiencies, and by successfully
managing teams using coaching, mentoring and professional development.
Makes full use of industry best practices, core competencies, and exceptional writing skills to address diverse
audiences; using an engaging demeanor and relationship cultivation techniques to build solid relationships
with internal and external customers.
Professional Experience
ARAMARK HEALTHCARE TECHNOLOGIES Evanston, IL. 2008 – 2016
Business Analyst
Effectively facilitates the positive, productive relationship between field operations and IT in this dynamic
Healthcare market served by ARAMARK. Elicits end-user requirements for development of proprietary
software applications that drive the competitive advantage of the company.
Additional Contributions / Achievements
Actively partners with project managers, system architects and developers as well as senior business
and financial leaders to ensure successful product deployments and support.
Interfaced with Corporate IT Department upgrading inventory system to a new platform. A reduction from
the projected timeframe for the project from 4 weeks to 2 weeks.
Increased accuracy of equipment pricing resulting in additional revenue of $100,000 per year.
Extracted data from corporate reporting system to produce reports for Senior Director to be presented to
senior hospital staff.
Built and maintained historical data warehouse for trend analysis.
Developed adhoc reports for management and technician staff personal.
2. John Kret
6900 West 29th Place Berwyn, Illinois 60402 Phone: (708) 203 - 5889 JohnSKret@gmail.com
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RYERSON, INC. Chicago, Illinois 1992 – 2007
Senior Analyst – Information Technology 1997 – 2007
Responsibilities included architecting and developing staging/ presentation data models, establishing Oracle
databases for managers and coworkers using vast experience with Oracle 10.1 software. Designed reports and
procedures using T.O.A.D. 8.1 and expertly led and managed cross-functional teams within a distributed IT
environment.
Additional Contributions / Achievements
Participated in developing the initial Data Warehouse from gathering requirements to testing,
implementation, and support and used the T.O.A.D. tool to establish both logical and physical data models.
Worked on the project that eliminated the mainframe computer system which entailed gathering and
interpreting client long term requirements into data models, developing reports and applying various
data warehouse modeling techniques. The project generated savings over $100,000 per year.
Served as the project technical authority with responsibility for delivering the Decision Support System
using T.O.A.D. and Excel to assist Accounting & Procurement staff with supporting purchasing system
discrepancies.
Developed and supported the Strategic Sourcing Initiative system for the Procurement Department which
resulted in average savings of $250,000 per quarter and assisted with developing and maintaining the Key
Performance Indicator report system for service centers and senior management staff.
Academic Credentials
Associate's Degree – Computer Science Morton College – Cicero,
Illinois
Software: Oracle 10.1 Toad 9.0 BI 8.2 Crystal Reports XI TSO
FILEAID JCL Microsoft Access Excel 2010 Natural 2.0
Languages: COBOL NATURAL 2.0 Easytrieve 2.0 Oracle SQL T.O.A.D.
DATA Extraction Platforms SqlServer 2008
Functions: Senior Analyst Team Lead Software Trainer Programmer Computer Operator
Community Involvement
Cubmaster Pack 92 Cub Scouts of America – Riverside,
Illinois
Basketball Coach (Grade 5-7)
Level 1 Certified Hockey Coach
Vice President St. Mary's School Board – Riverside,
Illinois
Vice-President ST. Leonard’s School Board, Berwyn,
Illinois
Manger of Nazareth Hockey Team