For the past four months, Ken Tyrell, an insolvency partner at the accountancy firm PwC, has been attempting to stymie the collapse of the Cara Pharmacy Group, a nationwide chain of 16 pharmacies coupled with a significant contract supply business. The stakes were high. If Tyrell failed, the company would have collapsed, leaving more than 160 people out of work and creditors nursing debts of €15 million. The chain, led by the husband-and-wife team of Ramona and Canice McNicholas, had become insolvent, prompting its main lender, the finance house DunPort, to petition the High Court to install Tyrell as examiner.…