NEW YORK: Abernathy MacGregor Group is set to strengthen its mergers and acquisition capability after poaching Steve Frankel, a managing director of mergers and acquisitions at Burson-Marsteller. Frankel joins as a managing director and has a mandate to build a team specifically dedicated to M&A. Abernathy is currently providing investor relations counsel to American Airlines (alongside BSMG) and Donna Karan International. 'Abernathy is more specialised in financial communications,' explained Frankel. His responsibilities at B-M will be taken over by Robert Grives.