Bloom is founded by Gary Liang. Gary Liang attended Sydney Boys High, and achieved an ATAR of 99.95 and state rankings for 5 subjects (Mathematics Advanced, Mathematics Extension 1, Mathematics Extension 2, Chemistry, Economics). He graduated from UNSW with a Bachelor of Economics and a Bachelor of Science (Advanced Mathematics) with First Class Honours in Pure Mathematics. He has 10+ years experience teaching, including starting a high school tuition centre, as well as teaching mathematics and economics at UNSW. He is the author of the HSC Economics Workbook.