The founder of PRNigeria and Chief Executive Officer of Image Merchants Promotion Limited (IMPR), Malam Yushau A. Shuaib, has vowed to challenge the judgment of the Federal High Court in Abuja dismissing his ₦1 billion suit against the National Institute for Policy and Strategic Studies (NIPSS), Kuru, Plateau State, over his withdrawal from the prestigious Senior Executive Course (SEC) 47.