A senior Arabtec Holding executive has reportedly been fired in a shake-up following the resignation of CEO Hasan Ismaik. Shohidul Ahad-Choudhury, Arabtec's head of mergers and acquisitions, has been sacked The former Deutsche Bank executive, was appointed to the role in March 2013 and also acted as financial advisor to Ismaik. Based in Abu Dhabi, he was responsible for implementing the company's new strategy, mergers and acquisitions, joint ventures, and strategic financing activities.