Jeff Koloseus, Systems Programmer

Jeff Koloseus

Joining A.V. POWELL & ASSOCIATES in 1998, Jeff Koloseus is primarily responsible for GUI design and implementation. Based in Tucson, Arizona, he has over 20 years of programming experience.






  • Converted several large non-Windows programs to APL Windows.
  • Developed a monitoring program in APL Windows with automatic telephonic paging.
  • Developed a general-purpose technique for multi-dimensional non-linear optimization with constraints.
  • Created UnitMax, a Windows unit conversion program.
  • Created two APL Windows developer utility programs, QPLOT (general purpose X-Y plotting package) and SPREAD (spreadsheet), which are sold by APL2000, Inc.
  • Instructed mathematics at Pima Community College.
  • Consulted as an engineer for electromechanical design and project management.
  • Published 11 ideas in the “IBM Technical Disclosure Bulletin”
  • Developed high performance half-inch cartridge tape drives at IBM.


  • GUI design and Windows programming.
  • Computer languages: APL, C, FORTRAN, BASIC, and Pascal


  • M.S. in Electrical Engineering coursework
    University of Arizona
  • B.S. in Mechanical Engineering 1980
    University of Colorado