Mairéad Cullen is just getting her feet under the desk at McCann Fitzgerald but is on an “accelerated learning curve”. Cullen is the law firm’s first chief technology officer, joining the firm after spending 28 years at Vodafone where she led various networks and IT functions over that tenure. “I joined telecoms 28 years ago, when it was Eircell at the time but it was a very exciting industry,” she told The Currency. “There was so much going on, so many opportunities in Vodafone. I moved from networks to products and services and about 10 years ago to IT. It…