1980 - 1981
Computer ProgrammerMeijer, Inc. - Grand Rapids, สหรัฐอเมริกา
1981 - 1982
Computer Systems AnalystDLP, Inc. - Grand Rapids, สหรัฐอเมริกาFirst experience with teaching - training employees in computer usage on custom software
1982 - 1983
Computer Systems AnalystMatsch Systems - Grand Rapids, สหรัฐอเมริกาWrote computer software as well as user documentation and training literature for all products.
1983 - 1992
PartnerCustomeaze Communications & Electronics - Grand Rapids, สหรัฐอเมริกาDesign, Implementation, and Employee Training of Panasonic and ITT telecommunications systems
1995 - 2014
PresidentCenternet, Inc. - Grand Rapids, สหรัฐอเมริกาDesign and Programming of telecommunications management and tracking software for the Microsoft Windows platform; Design, Implementation, and Employee Training for Panasonic telecommunications systems.
2012 - 2019
English Tutor/Language CoachPrivate - Manila, ฟิลิปปินส์Licensed instructor of Systematic Synthetics Phonics; Teaching online and in classroom situations for pre-teen through adult learners.
2013 - 2013
English TeacherSampaloc Training Pangkabuhayan Center - Manila, ฟิลิปปินส์English Training of area residents wishing to become qualified for BPO/Call Center positions with heavy focus on phonics and Neutral English speaking skills
2014 - 2016
English TeachereData Services - Makati, ฟิลิปปินส์English Training for BPO, focusing on live (real-time) service providers in the medical fields with heavy focus on phonics and Neutral English speaking skills
2016 - 2018
English TutorPudtree.com - Online, จีนEnglish training for Chinese students (grade 5 through 12) online
2016 - 2018
English TutorHiknow.com - Online, จีนESL, IELTS, and Phonics training for Chinese students (grade 7 through adult)
2016 - ปัจจุบัน
English TutorFluentify.com - Online, อิตาลีESL and Phonics training for Europeans