[1] After completing his education, Oag spent seven years working as a Field Engineer with Halliburton, leaving the firm to found his own company, Optima Solutions in 1999.
By February 2008 Optima had a staff of more than fifty employees and a 55 per cent share of the company was sold to Northern Industries for an eight figure sum.
[9] Re-development of ideas gleaned from out of date patents has served Oag as an inspiration for innovative designs such as remote controls for domestic fire alarms.
[10] Dunecht House, a Category A listed building in Aberdeenshire, was purchased from Charles Anthony Pearson at the end of 2012 for £1.2 million.
Oag married Yulia Sarycheva, a Russian business student, in a ceremony at the mansion's chapel during November 2012.