Harminder Gill did his undergraduate studies at the University of California, Riverside, where he finished his bachelor of science degree in biological chemistry with an emphasis in chemistry. After completing his undergraduate studies, he attended graduate school at the University of California, Davis, where he finished his master's degree in organic chemistry. After doing several teaching assignments, he went into the teaching profession at community colleges. He was an adjunct professor at many community colleges in Southern California. He became a life member for both the alumni associations at UCR and UCD. He has done homeschooling throughout communities, where he offers more than two hundred sections of academic subjects from humanities, social sciences, sciences, and test preparation. Plenty of his past students have done exceptionally well, including those who have achieved high scores on standardized tests, getting accepted into training academies, universities, and programs of their choice. He has served on board of directors, completed the distinguished toastmaster (DTM) in the Toastmasters Program for Public Speaking and Leadership, a past docent at many museums and a science institute, and now has become a tax professional and received his licenses in life insurance and real estate.