Experience

Calhoun Community College
• Higher Education
• 400 - 500 Employee
• Tutor Mathematics and Statistics

  • Jan 2019 - Present


Self Employed

• Real Estate
• 1 - 100 Employee

• Tutor Mathematics and Statistics

  • Apr 2010 - Present

  • Tutor college students in Mathematics and Statistics at the STAR Institute of Calhoun Community College (January 2019 through present). • Tutor high school, college, and adult education students in mathematics, statistics, and for college admission exams. Self-employed part-time since retirement, 2010-present. Tutored privately and through the WyzAnt tutoring service. • Volunteer tutor non-native speaking adults in English. • Tutor college students in Mathematics and Statistics at the STAR Institute of Calhoun Community College (January 2019 through present). • Tutor high school, college, and adult education students in mathematics, statistics, and for college admission exams. Self-employed part-time since retirement, 2010-present. Tutored privately and through the WyzAnt tutoring service. • Volunteer tutor non-native speaking adults in English.



Schafer Corporation

• United States
• Defense and Space Manufacturing
• 1 - 100 Employee

• Senior Systems Analyst - Sub-contractor at Northrop Grumman

  • 2006 - Apr 2010

  2006-2010 Schafer Sub-Contractor to Northrop Grumman - Systems Engineering, PMP• Supported Parts, Materials, and Processes (PMP) function for systems engineering group of ground based midcourse missile defense system. Helped certify that system met PMP design requirements.• Reviewed and revised engineering drawings, prepared PMP documentation for customer delivery, and reviewed and edited documents submitted for Engineering Review Board approval.• Monitored hardware obsolescence and prepared obsolescence management reports with mitigation plans for customer delivery.Examples of accomplishments at Northrop Grumman:1. Created innovative review methods to reconcile information among sets of engineering drawings. Applied new methods to correct hundreds of new and revised drawings.2. Devised method to derive sample sizes for acceptance testing of batches of hardware items as functions of reliability and confidence requirements.3. Developed tool to automate creation of PMP documents, saving more than 40 person-hours per calendar quarter. Show less

• Senior Systems Analyst - In-house Employee

  • 2002 - 2006

  2002-2006 Ballistic Missile Defense and NASA - Modeling and Simulation, Test and Development• Helped define, develop, and compare competing candidate concepts of operations for emerging ballistic missile defense program (Miniature Kill Vehicle (MKV) System Concept Program).• Conducted 6-DOF missile defense simulation experiments, processed output, and analyzed and presented results for Ground-based Interceptor System Simulation (GBISS). • Developed variety of analysis tools and statistical-based simulations using Matlab and Excel.• Applied probability and statistical models to investigate reliability issues for NASA program, determine impact of solar weather event predictions on NASA launch schedules, and compare competing NASA space systems architecture concepts.Examples of accomplishments at Schafer:1. Designed multiple-weapons to multiple-targets assignment algorithm to allocate defense weapon resources against ballistic missile threat.2. Developed stochastic simulations to determine missile defense engagement results as function of system discrimination capability, threat size, interceptor inventory, and assignment algorithm.3. Created statistically based Monte Carlo simulation which convolved probability distributions to forecast business acquisition.4. Implemented transportation models in Extend, a discrete event simulation development tool, to evaluate NASA systems architectures. Show less



University of Illinois at Chicago

• United States
• Higher Education
• 1 - 100 Employee

• Graduate Teaching Assistant

  • 2000 - 2002

  Completed courses in applied mathematics, statistics, and game theory. Taught discussion/recitation sections for first and second year mathematics classes. Earned MS degree. Completed courses in applied mathematics, statistics, and game theory. Taught discussion/recitation sections for first and second year mathematics classes. Earned MS degree.



Northern Trust Corporation

• Programmer/Consultant

  • 1995 - 2000

  Bank and Trust - Financial Database Support • Maintained in-house, proprietary database of customer investment holdings. Supported database users and customers. Developed reports for system users and customers. • Uncovered Y2K (year 2000 calendar turnover) compliance issues for database system and recommended and implemented solutions. Bank and Trust - Financial Database Support • Maintained in-house, proprietary database of customer investment holdings. Supported database users and customers. Developed reports for system users and customers. • Uncovered Y2K (year 2000 calendar turnover) compliance issues for database system and recommended and implemented solutions.



Direct Marketing Technology

• Belgium

• Senior Statistician

  • 1994 - 1995

  Direct Marketing - Selection Modeling • Updated, individualized, and ran sets of existing SAS programs employing data management and multiple regression techniques to model direct marketing response. • Developed direct marketing selection models based on high performance ZIP codes and predictive characteristics of individual subjects. Direct Marketing - Selection Modeling • Updated, individualized, and ran sets of existing SAS programs employing data management and multiple regression techniques to model direct marketing response. • Developed direct marketing selection models based on high performance ZIP codes and predictive characteristics of individual subjects.



WMS Gaming

• United States
• Gambling Facilities and Casinos
• 300 - 400 Employee

• Statistical Analyst - Contract Position

  • 1994 - 1994

  Contract position. Developed optimal player strategies for five-card draw poker video game. Contract position. Developed optimal player strategies for five-card draw poker video game.



Nichols Research Corporation

• Defense and Space Manufacturing
• 1 - 100 Employee

• Analyst

  • 1988 - 1994

  Ballistic Missile Defense - Modeling and Simulation, Test and Development • Developed and applied mathematical and statistical models to analyze requirements for complex automated systems, primarily for resource planning and allocation of national missile defense systems. • Designed and implemented simulation software models for Battle Management Requirements Analysis Tool (BRAT) using Ada, Algorithm Development Program (ADP) using Pascal, and Anti-Satellite (ASAT) programs. Models included threat classification, clustering, and state estimation; signal detection; weapon-to-target assignments; and random number generation functions. • Ran missile defense simulations, collected and analyzed results, and presented results to customers. Show less